Squeegee apparatus

Abstract

To attach and detach a blade.SOLUTION: The squeegee device includes a squeegee and a holder that extends in the left-right direction and holds the squeegee. The squeegee includes a blade, a body to which the blade is attached, and a plate sandwiching the blade between the body and the plate.SELECTED DRAWING: Figure 12

Description

[Technical Field]

[0001] The technology disclosed herein relates to a squeegee device. [Background technology]

[0002] In the technical field related to squeegee devices, a scrubber dryer such as that disclosed in Patent Document 1 is known. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] US Patent Application Publication No. 2022 / 0211239 Summary of the Invention [Problem to be solved by the invention]

[0004] The squeegee device is attached to a floor cleaning machine such as a scrubber dryer. For example, the blade of the squeegee device may need to be removed from the floor cleaning machine for maintenance of the squeegee device. A technique for easily attaching and detaching the blade is desired.

[0005] The technology disclosed in this specification aims to attach and detach blades. [Means for solving the problem]

[0006] The present specification discloses a squeegee device. The squeegee device may include a squeegee and a holder extending in the left-right direction and holding the squeegee. The squeegee may include a blade, a body to which the blade is attached, and a plate that sandwiches the blade between the body and the holder. [Effects of the Invention]

[0007] According to the technology disclosed in this specification, the blade can be attached and detached. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a front view schematically showing a scrubber dryer according to a first embodiment. [Figure 2] FIG. 2 is a side view schematically showing the scrubber dryer according to the first embodiment. [Figure 3] FIG. 3 is a perspective view showing the squeegee device according to the first embodiment, viewed from the upper left front. [Figure 4] FIG. 4 is a perspective view showing the squeegee device according to the first embodiment, viewed from the upper right rear. [Figure 5] FIG. 5 is a perspective view of the squeegee device according to the first embodiment, viewed from the lower left front. [Figure 6] FIG. 6 is a top view showing the squeegee device according to the first embodiment. [Figure 7] FIG. 7 is a bottom view showing the squeegee device according to the first embodiment. [Figure 8] FIG. 8 is a front view showing the squeegee device according to the first embodiment. [Figure 9] FIG. 9 is a rear view showing the squeegee device according to the first embodiment. [Figure 10] FIG. 10 is a left side view showing the squeegee device according to the first embodiment. [Figure 11] FIG. 11 is a right side view showing the squeegee device according to the first embodiment. [Figure 12] FIG. 12 is an exploded perspective view of the squeegee device according to the first embodiment, seen from the upper left front. [Figure 13] FIG. 13 is an exploded perspective view showing the squeegee device according to the first embodiment, viewed from the upper right rear. [Figure 14] FIG. 14 is an exploded perspective view showing the holder according to the first embodiment, seen from the upper left front. [Figure 15] FIG. 15 is an exploded perspective view showing a part of the holder according to the first embodiment, seen from the upper left front. [Figure 16]FIG. 16 is an exploded perspective view of the squeegee according to the first embodiment, seen from the upper left front. [Figure 17] FIG. 17 is an exploded perspective view of the squeegee according to the first embodiment, seen from the upper right rear. [Figure 18] FIG. 18 is a perspective view of a portion of the squeegee according to the first embodiment, viewed from the upper left front. [Figure 19] FIG. 19 is a perspective view of a portion of the squeegee according to the first embodiment, viewed from the upper right rear. [Figure 20] FIG. 20 is a left side view showing the squeegee according to the first embodiment. [Figure 21] FIG. 21 is a cross-sectional view showing the squeegee device according to the first embodiment. [Figure 22] FIG. 22 is a cross-sectional view showing the squeegee device according to the first embodiment. [Figure 23] FIG. 23 is a cross-sectional view showing the squeegee device according to the first embodiment. [Figure 24] FIG. 24 is a cross-sectional view showing a part of the squeegee device according to the first embodiment. [Figure 25] FIG. 25 is a cross-sectional view showing a part of the squeegee device according to the first embodiment. [Figure 26] FIG. 26 is a cross-sectional view showing a part of the squeegee device according to the first embodiment. [Figure 27] FIG. 27 is a cross-sectional view showing a part of the squeegee device according to the first embodiment. [Figure 28] FIG. 28 is a perspective view of the squeegee according to the first embodiment, viewed from the upper left front. [Figure 29] FIG. 29 is a cross-sectional view showing the squeegee according to the first embodiment. [Figure 30] FIG. 30 is a perspective view from the upper left front for explaining the method of assembling the squeegee according to the first embodiment. [Figure 31] FIG. 31 is a perspective view from the upper left front for explaining a method of assembling the squeegee and the holder according to the first embodiment. [Figure 32]FIG. 32 is a perspective view of the squeegee device according to the second embodiment, viewed from the upper left front. [Figure 33] FIG. 33 is a top view showing a squeegee device according to the second embodiment. [Figure 34] FIG. 34 is an exploded perspective view showing the holder according to the second embodiment, seen from the upper left front. [Figure 35] FIG. 35 is an exploded perspective view showing a part of the holder according to the second embodiment, seen from the upper left front. [Figure 36] FIG. 36 is a cross-sectional view showing a squeegee device according to the second embodiment. [Figure 37] FIG. 37 is a cross-sectional view showing a part of a squeegee device according to the second embodiment. [Figure 38] FIG. 38 is a cross-sectional view showing a part of a squeegee device according to the second embodiment. [Figure 39] FIG. 39 is a perspective view of the squeegee device according to the third embodiment, viewed from the upper left front. [Figure 40] FIG. 40 is a top view showing a squeegee device according to the third embodiment. [Figure 41] FIG. 41 is an exploded perspective view showing the holder according to the third embodiment, seen from the upper left front. [Figure 42] FIG. 42 is an exploded perspective view showing a part of the holder according to the third embodiment, seen from the upper left front. [Figure 43] FIG. 43 is a cross-sectional view showing a squeegee device according to the third embodiment. [Figure 44] FIG. 44 is a cross-sectional view showing a part of a squeegee device according to the third embodiment. [Figure 45] FIG. 45 is a cross-sectional view showing a part of a squeegee device according to the third embodiment. [Figure 46] FIG. 46 is an exploded perspective view from the upper left front showing a squeegee assembly according to another embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] In one or more embodiments, the squeegee device may include a squeegee and a holder extending in the left-right direction to hold the squeegee. The squeegee may include a blade, a body to which the blade is attached, and a plate that sandwiches the blade between the body and the holder.

[0010] In the above configuration, the blade can be easily attached and detached by attaching and detaching the plate.

[0011] In one or more embodiments, the blade may include a first blade and a second blade, and the plate may include a first plate that sandwiches the first blade between itself and the front surface of the body, and a second plate that sandwiches the second blade between itself and the rear surface of the body.

[0012] In the above configuration, the first blade and the second blade can be easily attached and detached.

[0013] In one or more embodiments, the body may have a protrusion protruding from a surface facing the blade, the blade may have a blade opening in which at least a portion of the protrusion is disposed, and the plate may have a plate recess in which at least a portion of the protrusion is disposed.

[0014] In the above configuration, the blade can be easily attached and detached by inserting and removing the blade opening into and from the protrusion, and the plate can be easily attached and detached by inserting and removing the plate recess into and from the protrusion.

[0015] In one or more embodiments, the protrusion may have a protrusion recess recessed downward from the upper surface of the protrusion, and a large diameter portion disposed between the opposing surface and the protrusion recess. The blade opening may be disposed in the large diameter portion, and the plate recess may be inserted into the protrusion recess from above the protrusion.

[0016] In the above configuration, after the blade is attached to the body, the blade can be fixed to the body with the plate.

[0017] In one or more embodiments, the top surface of the body and the top surface of the plate may be flush with each other, with the protrusions disposed in the blade openings and plate recesses.

[0018] In the above configuration, tilting of the plate is suppressed.

[0019] In one or more embodiments, the lower end of the blade may be positioned below the lower end of the body and the lower end of the plate, with the protrusions positioned in the blade openings and plate recesses.

[0020] In the above configuration, the blade can capture the recovered liquid on the surface to be cleaned.

[0021] In one or more embodiments, the protrusions may be provided in a plurality at intervals in the left-right direction. The blade openings and the plate recesses may each have one protrusion disposed therein and spaced apart in the left-right direction.

[0022] In the above configuration, the blade and the plate are each stably fixed to the body.

[0023] In one or more embodiments, the dimension of the blade opening in the left-right direction may be smaller than the dimension of the plate recess.

[0024] In the above configuration, the recessed portion of the plate can be easily inserted into the protruding portion.

[0025] In one or more embodiments, the dimension of the blade opening may be greater than the dimension of the plate recess in the vertical direction.

[0026] In the above configuration, the blade opening can be easily inserted into the protrusion.

[0027] In one or more embodiments, a protrusion may protrude from each of the front and rear surfaces of the body.

[0028] In the above configuration, two blades can be supported on the front and rear surfaces of the body.

[0029] In one or more embodiments, the blades are made of rubber and the plates may be made of synthetic resin or metal.

[0030] In the above configuration, the blade can capture the recovered liquid on the surface to be cleaned, and the strength of the squeegee device can be maintained.

[0031] In one or more embodiments, the body may have a suction port.

[0032] In the above configuration, the recovery liquid from the surface to be cleaned is sucked from the suction port.

[0033] In one or more embodiments, the holder may have a holder recess into which the squeegee is inserted from below.

[0034] In the above configuration, the holder can stably hold the squeegee.

[0035] In one or more embodiments, the holder recesses may be located at both ends of the holder in the left-right direction.

[0036] In the above configuration, the holder can stably hold the squeegee.

[0037] In one or more embodiments, the body may have a protrusion protruding from an opposing surface facing the blade. The blade may have a blade opening in which at least a portion of the protrusion is disposed. The plate may have a plate recess in which at least a portion of the protrusion is disposed. The protrusion may have a protrusion recess recessed downward from an upper surface of the protrusion, and a large diameter portion disposed between the opposing surface and the protrusion recess. With the blade opening disposed in the large diameter portion, the plate recess may be inserted into the protrusion recess from above the protrusion, thereby sandwiching the blade between the body and the plate.

[0038] In the above configuration, after the blade is attached to the body, the blade can be fixed to the body with the plate.

[0039] In one or more embodiments, the squeegee device may include a movable member movably supported by the holder and having an engaging portion that engages with an engaged portion provided on the body, a first biasing member that biases the movable member so that the engaging portion and the engaged portion engage, and a second biasing member that biases the squeegee so that the squeegee and the holder are separated. When the squeegee approaches the holder against the biasing force of the second biasing member, the engaging portion and the engaged portion engage, and the squeegee is fixed to the holder.

[0040] In the above configuration, when the squeegee is lifted toward the holder against the biasing force of the second biasing member, the engaging portion and the engaged portion engage with each other due to the biasing force of the first biasing member, and the squeegee is attached to the holder.

[0041] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings, but the present disclosure is not limited to the embodiments. The components of the embodiments described below can be combined as appropriate. In addition, some components may not be used.

[0042] In the embodiments, the positional relationship of each part is described using the terms "left," "right," "front," "rear," "upper," and "lower." These terms indicate relative positions or directions based on the center of the squeegee device.

[0043] [First embodiment] A first embodiment will be described.

[0044] <Scrubber dryer> Fig. 1 is a front view schematically showing a scrubber dryer 1 according to the first embodiment. Fig. 2 is a side view schematically showing the scrubber dryer 1 according to the first embodiment.

[0045] The scrubber dryer 1 cleans the surface to be cleaned using cleaning liquid and brushes 3. An example of the surface to be cleaned is a floor. The scrubber dryer 1 recovers the cleaning liquid supplied to the surface to be cleaned. The cleaning liquid recovered by the scrubber dryer 1 is polluted liquid containing dirt from the surface to be cleaned. In this embodiment, the cleaning liquid recovered by the scrubber dryer 1 is appropriately referred to as recovered liquid. The recovered liquid is polluted liquid containing dirt from the surface to be cleaned.

[0046] As shown in Figures 1 and 2, the scrubber dryer 1 includes a base member 2, a brush 3, a brush motor 4, a guide member 5, a handle 6, a supply tank 7, a recovery tank 8, a power source 9, a suction motor 10, and a squeegee device 11.

[0047] The base member 2 is a plate-shaped member. The base member 2 supports a brush motor 4, a recovery tank 8, and a suction motor 10. The brush motor 4 rotatably supports a brush 3. At least a portion of a squeegee device 11 is disposed behind the brush 3. The squeegee device 11 is attached to the base member 2.

[0048] The brush 3 comes into contact with the surface to be cleaned. The brush 3 is arranged below the base member 2. The brush 3 is arranged at the lower end of the scrubber dryer 1. The brush motor 4 generates a rotational force that rotates the brush 3. The brush 3 is connected to the brush motor 4. At least a portion of the brush motor 4 is arranged above the base member 2. In this embodiment, two brushes 3 are provided in the left-right direction. Two brush motors 4 are provided. The two brushes 3 are each connected to the brush motor 4.

[0049] The guide member 5 is a rod-shaped member that is long in the vertical direction. The lower end of the guide member 5 is connected to the base member 2. The lower end of the guide member may be connected to the base member 2 via a pivot joint mechanism. The pivot joint mechanism may allow the guide member 5 to tilt relative to the base member 2. The user may operate the guide member 5 so that it tilts relative to the base member 2.

[0050] The handle 6 is disposed at the upper end of the guide member 5. The handle 6 is gripped by a user. The guide member 5 extends downward from the handle 6. The handle 6 is a member that is long in the left-right direction.

[0051] The supply tank 7 contains a cleaning liquid to be supplied to the surface to be cleaned. The supply tank 7 is supported by the guide member 5. The cleaning liquid contained in the supply tank 7 is supplied to the surface to be cleaned via a supply line (not shown). In this embodiment, the cleaning liquid is supplied to the surface to be cleaned by the action of gravity. The cleaning liquid drips onto the surface to be cleaned by its own weight. With the cleaning liquid being supplied to the surface to be cleaned, the brush 3 is rotated, thereby cleaning the surface to be cleaned.

[0052] The recovery tank 8 contains the recovery liquid recovered from the surface to be cleaned. The recovery tank 8 is supported by the base member 2. The suction motor 10 is driven to recover the recovery liquid from the surface to be cleaned. The recovery liquid includes the cleaning liquid supplied from the supply tank 7 to the surface to be cleaned and dirt on the surface to be cleaned. The scrubber dryer 1 has a suction port 24 facing the surface to be cleaned. The suction port 24 is provided in the squeegee device 11. The suction motor 10 is driven to generate a suction force in the suction port 24. The suction port 24 sucks the recovery liquid present on the surface to be cleaned. The recovery liquid sucked from the suction port 24 is supplied to the recovery tank 8 via a recovery line (not shown).

[0053] The power source 9 includes a battery pack. The power source 9 is a general-purpose battery that can be used as a power source for various electrical devices. The power source 9 can be used as a power source for power tools. The power source 9 can be used as a power source for electrical devices other than power tools. The power source 9 includes a lithium-ion battery. The power source 9 is a rechargeable battery that can be recharged. The power source 9 may also be a battery pack for power tools.

[0054] The brush motor 4 and the suction motor 10 are each an electric motor, and are driven by electric power supplied from a power source 9.

[0055] The squeegee device 11 captures the recovered liquid on the surface to be cleaned. At least a portion of the squeegee device 11 is disposed behind the brush 3. As will be described later, the squeegee device 11 has a blade 21 that captures the recovered liquid and a suction port 24 that sucks in the recovered liquid. The blade 21 prevents the recovered liquid from diffusing toward the rear of the scrubber dryer 1. The recovered liquid is sucked in through the suction port 24, preventing the recovered liquid from remaining on the surface to be cleaned.

[0056] <Squeegee device> FIG. 3 is a perspective view of the squeegee device 11 according to the first embodiment, viewed from the upper left front. FIG. 4 is a perspective view of the squeegee device 11 according to the first embodiment, viewed from the upper right rear. FIG. 5 is a perspective view of the squeegee device 11 according to the first embodiment, viewed from the lower left front. FIG. 6 is a top view of the squeegee device 11 according to the first embodiment. FIG. 7 is a bottom view of the squeegee device 11 according to the first embodiment. FIG. 8 is a front view of the squeegee device 11 according to the first embodiment. FIG. 9 is a rear view of the squeegee device 11 according to the first embodiment. FIG. 10 is a left side view of the squeegee device 11 according to the first embodiment. FIG. 11 is a right side view of the squeegee device 11 according to the first embodiment. FIG. 12 is an exploded perspective view of the squeegee device 11 according to the first embodiment, viewed from the upper left front. FIG. 13 is an exploded perspective view of the squeegee device 11 according to the first embodiment, viewed from the upper right rear.

[0057] The squeegee device 11 includes a squeegee 12 and a holder 13 that holds the squeegee 12. The squeegee 12 extends in the left-right direction. The holder 13 extends in the left-right direction. The holder 13 is fixed to the base member 2. The squeegee 12 is attachable to and detachable from the holder 13.

[0058] <Holder> Fig. 14 is an exploded perspective view from the upper left front showing the holder 13 according to the first embodiment. Fig. 15 is an exploded perspective view from the upper left front showing a part of the holder 13 according to the first embodiment, and corresponds to an enlarged view of a part of Fig. 14.

[0059] The holder 13 has a holder body 14, a cover 15, and screws 16. The holder body 14 is long in the left-right direction. The holder body 14 has a support part 17 that supports the movable member 30 and the first biasing member 40, a pair of arm parts 18 arranged on both the left and right sides of the support part 17, a holder recess 19 provided at the end of the arm part 18, and three casters 20.

[0060] In the left-right direction, the support part 17 is disposed in the center of the holder body 14. The arm part 18 on the left side of the support part 17 curves forward toward the left, and the arm part 18 on the right side of the support part 17 curves forward toward the right.

[0061] The holder recesses 19 are arranged at both ends of the holder 13 in the left-right direction. The left holder recess 19 is arranged at the left end of the arm portion 18 on the left side of the support portion 17. The right holder recess 19 is arranged at the right end of the arm portion 18 on the right side of the support portion 17. The holder recesses 19 are recessed upward. The squeegee 12 is inserted into the holder recess 19 from below.

[0062] The casters 20 are arranged at the front of the left end of the arm section 18, the front of the right end of the arm section 18, and the rear of the support section 17. Alternatively, the casters 20 may be arranged at the rear of the left end of the arm section 18, the rear of the right end of the arm section 18, and the rear of the support section 17.

[0063] The movable member 30 is movably supported by the holder 13. The movable member 30 is supported by the support portion 17 so as to be movably in the front-rear direction. The movable member 30 has a base portion 31, an operating portion 32 protruding upward from the upper surface of the base portion 31, a pair of arm portions 33 extending from the front end portion of the base portion 31, and an engaging portion 34 provided at the front end portion of the arm portion 33. The left arm portion 33 curves forward toward the left. The right arm portion 33 curves forward toward the right. The engaging portion 34 is provided at the front end portion of the left arm portion 33 and the front end portion of the right arm portion 33. Two engaging portions 34 are arranged in the left-right direction. The operating portion 32 is arranged between the two engaging portions 34 in the left-right direction. One operating portion 32 is arranged in the center of the holder 13 in the left-right direction.

[0064] The support portion 17 has a first housing portion 17A in which the base portion 31 is disposed, a second housing portion 17B in which the arm portion 33 is disposed, a rib portion 17C inside which the first biasing member 40 is disposed, and an opening 17D. The rib portion 17C is disposed so as to surround the first biasing member 40. A notch 17E is provided in the front portion of the rib portion 17C.

[0065] The first biasing member 40 is a coil spring. The first biasing member 40 biases the movable member 30 forward. The rear end of the first biasing member 40 contacts at least a portion of the rib portion 17C. The front end of the first biasing member 40 is exposed from the cutout portion 17E and contacts at least a portion of the movable member 30.

[0066] The cover 15 has a first cover portion 15A that covers the first storage portion 17A, a second cover portion 15B that covers the second storage portion 17B, and a guide opening 15C and an opening 15D that are provided in the first cover portion 15A and guide the operating portion 32 in the front-rear direction. At least a portion of the operating portion 32 is disposed inside the guide opening 15C. The upper end of the operating portion 32 protrudes upward from the guide opening 15C. The operating portion 32 protrudes upward from the upper surface of the holder 13 (the upper surface of the cover 15). The operating portion 32 may protrude leftward from the left surface of the holder 13. The operating portion 32 may protrude rightward from the right surface of the holder 13. The operating portion 32 may protrude leftward and / or rightward from the holder 13.

[0067] Three screws 16 are provided. The three screws 16 secure the support part 17 and the cover 15 together. With the support part 17 and the cover 15 secured together, the openings 17D and 15D are aligned. The screws 16 are inserted from below into the screw openings 17F provided in the support part 17, and then inserted into the threaded holes of the screw bosses 15F provided in the cover 15.

[0068] <Squeegee> FIG. 16 is an exploded perspective view of the squeegee 12 according to the first embodiment, viewed from the upper left front. FIG. 17 is an exploded perspective view of the squeegee 12 according to the first embodiment, viewed from the upper right rear. FIG. 18 is a perspective view of a portion of the squeegee 12 according to the first embodiment, viewed from the upper left front, and corresponds to an enlarged view of a portion of FIG. 12. FIG. 19 is a perspective view of a portion of the squeegee 12 according to the first embodiment, viewed from the upper right rear, and corresponds to an enlarged view of a portion of FIG. 13. FIG. 20 is a left side view of the squeegee 12 according to the first embodiment.

[0069] At least a portion of the squeegee 12 is disposed below the holder 13. The squeegee 12 has a blade 21, a body 22 to which the blade 21 is attached, and a plate 23 that sandwiches the blade 21 between the body 22 and the blade 21.

[0070] The body 22 extends in the left-right direction. The body 22 is made of synthetic resin. However, the body 22 may also be made of metal. The body 22 has a suction port 24. In the left-right direction, the suction port 24 is provided in the center of the body 22. The suction port 24 is provided on the underside of the body 22 so as to face the surface to be cleaned. A pipe portion 25 is provided above the center of the body 22. The suction port 24 is connected to a suction flow path inside the pipe portion 25. The suction port 24 is connected to the recovery tank 8 via the suction flow path of the pipe portion 25.

[0071] The blade 21 comes into contact with the surface to be cleaned. The blade 21 captures the recovery liquid on the surface to be cleaned. The blade 21 is made of rubber. Two blades 21 are provided. The blades 21 include a first blade 21A facing the front surface of the body 22 and a second blade 21B facing the rear surface of the body 22.

[0072] The body 22 has a plurality of rod portions 28 that protrude upward. The upper ends of the rod portions 28 are located higher than the upper end of the body 22. The rod portions 28 are located on both the left and right sides of the pipe portion 25. A second biasing member 50 is supported by the rod portions 28. The arm portion 18 of the holder 13 is provided with an opening 18A into which the upper ends of the rod portions 28 are inserted.

[0073] The body 22 has engaged portions 29 that engage with the engaging portions 34 of the movable member 30. The number of engaged portions 29 is the same as the number of engaging portions 34. A plurality of engaging portions 34 and engaged portions 29 are provided in the left-right direction. Two engaging portions 34 and two engaged portions 29 are provided in the left-right direction. The engaged portions 29 are arranged on both the left and right sides of the pipe portion 25. The engaging portions 34 and engaged portions 29 are arranged on both sides of the pipe portion 25, which has a suction flow path, in the left-right direction. The engaged portions 29 are arranged above the top surface of the body 22. In the left-right direction, the left engaged portion 29 is arranged between the left rod portion 28 and the pipe portion 25. In the left-right direction, the right engaged portion 29 is arranged between the right rod portion 28 and the pipe portion 25.

[0074] The engaging portion 34 and the engaged portion 29 each have a hook shape that can be hooked onto each other. The engaging portion 34 of the movable member 30 is hooked onto the engaged portion 29 provided on the body 22, thereby attaching the squeegee 12 to the holder 13. The first biasing member 40 biases the movable member 30 so that the engaging portion 34 and the engaged portion 29 engage with each other.

[0075] The body 22 has a plurality of protrusions 26 protruding from the surface facing the blade 21. The protrusions 26 protrude from each of the front and rear surfaces of the body 22. Of the plurality of protrusions 26, some protrusions 26 protrude forward from the front surface of the body 22, and some protrusions 26 protrude rearward from the rear surface of the body 22. The plurality of protrusions 26 are provided at intervals in the left-right direction. A central protrusion 27 having a shape different from the protrusions 26 is provided in the center of the body 22 in the left-right direction. The shape of the central protrusion 27 may be the same as the shape of the protrusions 26.

[0076] The plate 23 sandwiches the blade 21 between itself and the body 22. The blade 21 is fixed to the body 22 by the plate 23. The plate 23 is made of synthetic resin. However, the plate 23 may also be made of metal. Two plates 23 are provided. The plates 23 include a first plate 23A that sandwiches the first blade 21A between itself and the front surface of the body 22, and a second plate 23B that sandwiches the second blade 21B between itself and the rear surface of the body 22.

[0077] The blade 21 has a blade opening 211 in which at least a portion of the protrusion 26 is disposed, and a blade central opening 212 in which at least a portion of the central protrusion 27 is disposed.

[0078] The plate 23 has a plate recess 231 in which at least a part of the protrusion 26 is disposed, and a plate central recess 232 in which at least a part of the central protrusion 27 is disposed.

[0079] <Attachment / detachment mechanism between holder and squeegee> Fig. 21 is a cross-sectional view showing the squeegee device 11 according to the first embodiment, and corresponds to the cross-sectional view taken along line AA in Fig. 3. Fig. 22 is a cross-sectional view showing the squeegee device 11 according to the first embodiment, and corresponds to the cross-sectional view taken along line BB in Fig. 3. Fig. 23 is a cross-sectional view showing the squeegee device 11 according to the first embodiment, and corresponds to the cross-sectional view taken along line CC in Fig. 3.

[0080] As shown in FIG. 21 , the movable member 30 has a housing recess 35 recessed upward from the lower surface of the movable member 30. The first biasing member 40 is a coil spring. The first biasing member 40 is housed in the rib portion 17C. The rib portion 17C is disposed inside the housing recess 35. The rear end of the first biasing member 40 contacts a portion of the rib portion 17C disposed rearward of the first biasing member 40. The front end of the first biasing member 40 is exposed from a notch 17E provided in the front end of the rib portion 17C. The front end of the first biasing member 40 contacts a portion of the inner surface 36 of the housing recess 35 disposed forward of the first biasing member 40 via the notch 17E. The first biasing member 40 biases the movable member 30 forward. The first biasing member 40 biases the movable member 30 forward so that the engaging portion 34 and the engaged portion 29 engage with each other.

[0081] The operating portion 32 is disposed rearward of the engaged portion 29. The first biasing member 40 biases the movable member 30 forward. When the user operates the operating portion 32 rearward, the engagement between the engaged portion 29 and the engaging portion 34 is released.

[0082] The second biasing member 50 biases the squeegee 12 so that the squeegee 12 and the holder 13 are spaced apart. At least a portion of the squeegee 12 is positioned below the holder 13. The second biasing member 50 biases the squeegee 12 downward. Multiple second biasing members 50 are arranged in the left-right direction. In this embodiment, two second biasing members 50 are arranged in the left-right direction. The second biasing member 50 is a coil spring.

[0083] Fig. 24 is a cross-sectional view showing a portion of the squeegee device 11 according to the first embodiment, illustrating a state in which the engaging portion 34 is engaged with the engaged portion 29. Fig. 25 is a cross-sectional view showing a portion of the squeegee device 11 according to the first embodiment, illustrating a state in which the engaging portion 34 is disengaged from the engaged portion 29.

[0084] When the user operates the operating unit 32 rearward, the engagement between the engaging portion 34 and the engaged portion 29 is released. When the user releases the operation of the operating unit 32, the biasing force of the first biasing member 40 moves the movable member 30 forward, and the engaging portion 34 and the engaged portion 29 engage with each other. The engaging portion 34 and the engaged portion 29 each have a hook shape that can be hooked onto each other. The engaging portion 34 engages with the engaged portion 29 after being inserted into the space below the engaged portion 29.

[0085] Figure 26 is a cross-sectional view showing a portion of the squeegee device 11 according to the first embodiment, and corresponds to an enlarged view of a portion of Figure 23. Figure 27 is a cross-sectional view showing a portion of the squeegee device 11 according to the first embodiment, and shows a state in which the squeegee 12 has been separated from the holder 13.

[0086] The second biasing member 50 is supported by the rod portion 28 of the body 22. The rod portion 28 has a small diameter portion 28A into which the second biasing member 50 is inserted and a large diameter portion 28B that is positioned below the small diameter portion 28A. The lower end of the second biasing member 50 contacts a support surface 28C at the boundary between the lower end of the small diameter portion 28A and the upper end of the large diameter portion 28B. The upper end of the second biasing member 50 contacts the lower surface of the arm portion 18 of the holder 13. The second biasing member 50 may be supported by the holder 13.

[0087] As shown in Figure 27, when removing the squeegee 12 from the holder 13, the operating portion 32 is operated backward against the biasing force of the first biasing member 40, thereby disengaging the engaging portion 34 from the engaged portion 29, and the biasing force of the second biasing member 50 causes the squeegee 12 to move away from the holder 13.

[0088] When attaching the squeegee 12 to the holder 13, the squeegee 12 is brought closer to the holder 13 from below against the biasing force of the second biasing member 50, and the biasing force of the first biasing member 40 causes the engaging portion 34 and the engaged portion 29 to engage, thereby fixing the squeegee 12 to the holder 13.

[0089] <Blade fixing mechanism> Figure 28 is a perspective view from the upper left front showing the squeegee 12 according to the first embodiment, and corresponds to an enlarged view of a portion of Figure 12. Figure 29 is a cross-sectional view showing the squeegee 12 according to the first embodiment, and corresponds to a cross-sectional view taken along line DD in Figure 12. Figure 30 is a perspective view from the upper left front for explaining a method of assembling the squeegee 12 according to the first embodiment. Figure 31 is a perspective view from the upper left front for explaining a method of assembling the squeegee 12 and holder 13 according to the first embodiment.

[0090] The blade openings 211 and the plate recesses 231 are arranged at intervals in the left-right direction so that each has one protrusion 26. The dimension of the blade openings 211 in the left-right direction is smaller than the dimension of the plate recesses 231. The dimension of the blade openings 211 in the up-down direction is larger than the dimension of the plate recesses 231.

[0091] The protrusion 26 has a protrusion recess 26A recessed downward from the upper surface of the protrusion 26, and a large diameter portion 26B disposed between the protrusion recess 26A and the opposing surface (front or rear surface) of the body 22. The central protrusion 27 has recesses 27A provided on both the left and right sides of the central protrusion 27.

[0092] The blade opening 211 is disposed in the large diameter portion 26B. The plate recess 231 is inserted into the protrusion recess 26A from above the protrusion 26. With the blade opening 211 disposed in the large diameter portion 26B, the plate recess 231 is inserted into the protrusion recess 26A from above the protrusion 26, whereby the blade 21 is sandwiched between the body 22 and the plate 23.

[0093] In this embodiment, with the protrusion 26 positioned in the blade opening 211 and the plate recess 231, the upper end surface of the body 22 and the upper end surface of the plate 23 are positioned in the same plane. With the protrusion 26 positioned in the blade opening 211 and the plate recess 231, the lower end of the blade 21 is positioned below the lower end of the body 22 and the lower end of the plate 23.

[0094] <Effects> As described above, in this embodiment, the squeegee device 11 includes the squeegee 12 and the holder 13 that extends in the left-right direction and holds the squeegee 12. The squeegee 12 includes the blade 21, the body 22 to which the blade 21 is attached, and the plate 23 that sandwiches the blade 21 between the body 22 and the squeegee 12.

[0095] In the above configuration, the blade 21 can be easily attached and detached by attaching and detaching the plate 23.

[0096] In this embodiment, the blade 21 includes a first blade 21A and a second blade 21B. The plate 23 includes a first plate 23A that sandwiches the first blade 21A between itself and the front surface of the body 22, and a second plate 23B that sandwiches the second blade 21B between itself and the rear surface of the body 22.

[0097] In the above configuration, first blade 21A and second blade 21B can be easily attached and detached.

[0098] In this embodiment, the body 22 has a protrusion 26 protruding from a surface facing the blade 21. The blade 21 has a blade opening 211 in which at least a portion of the protrusion 26 is disposed. The plate 23 has a plate recess 231 in which at least a portion of the protrusion 26 is disposed.

[0099] In the above configuration, the blade 21 can be easily attached and detached by inserting and removing the blade opening 211 into and from the protrusion 26, and the plate 23 can be easily attached and detached by inserting and removing the plate recess 231 into and from the protrusion 26.

[0100] In this embodiment, the protrusion 26 has a protrusion recess 26A recessed downward from the upper surface of the protrusion 26, and a large diameter portion 26B disposed between the opposing surface and the protrusion recess 26A. The blade opening 211 is disposed in the large diameter portion 26B, and the plate recess 231 is inserted into the protrusion recess 26A from above the protrusion 26.

[0101] In the above configuration, after the blade 21 is attached to the body 22, the blade 21 can be fixed to the body 22 with the plate 23.

[0102] In this embodiment, with the protrusions 26 positioned in the blade openings 211 and the plate recesses 231, the upper end surfaces of the body 22 and the plate 23 are arranged in the same plane.

[0103] In the above configuration, tilting of the plate 23 is suppressed.

[0104] In this embodiment, with the protrusion 26 positioned in the blade opening 211 and the plate recess 231, the lower end of the blade 21 is positioned below the lower end of the body 22 and the lower end of the plate 23.

[0105] In the above configuration, the blade 21 can capture the recovered liquid on the surface to be cleaned.

[0106] In this embodiment, a plurality of protrusions 26 are provided at intervals in the left-right direction. A plurality of blade openings 211 and a plurality of plate recesses 231 are arranged at intervals in the left-right direction so that one protrusion 26 is arranged in each of the blade openings 211 and the plate recesses 231.

[0107] In the above configuration, the blade 21 and the plate 23 are each stably fixed to the body 22.

[0108] In this embodiment, the dimension of the blade opening 211 is smaller than the dimension of the plate recess 231 in the left-right direction.

[0109] In the above configuration, the plate recess 231 can be easily inserted onto the protrusion 26 .

[0110] In this embodiment, the dimension of the blade opening 211 is larger than the dimension of the plate recess 231 in the vertical direction.

[0111] In the above configuration, the blade opening 211 can be easily inserted into the protrusion 26 .

[0112] In this embodiment, the protrusions 26 protrude from both the front and rear surfaces of the body 22 .

[0113] In the above configuration, the two blades 21 can be supported on the front and rear surfaces of the body 22.

[0114] In this embodiment, the blade 21 is made of rubber, and the plate 23 is made of synthetic resin or metal.

[0115] In the above configuration, the blade 21 can capture the recovered liquid on the surface to be cleaned, and the strength of the squeegee device 11 can be maintained.

[0116] In this embodiment, the body 22 has a suction port 24 .

[0117] In the above configuration, the recovery liquid from the surface to be cleaned is sucked through the suction port 24 .

[0118] In this embodiment, the holder 13 has a holder recess 19 into which the squeegee 12 is inserted from below.

[0119] In the above configuration, the holder 13 can stably hold the squeegee 12.

[0120] In this embodiment, the holder recesses 19 are disposed at both ends of the holder 13 in the left-right direction.

[0121] In the above configuration, the holder 13 can stably hold the squeegee 12.

[0122] In this embodiment, the body 22 has a protrusion 26 protruding from an opposing surface facing the blade 21. The blade 21 has a blade opening 211 in which at least a portion of the protrusion 26 is disposed. The plate 23 has a plate recess 231 in which at least a portion of the protrusion 26 is disposed. The protrusion 26 has a protrusion recess 26A recessed downward from the upper surface of the protrusion 26, and a large diameter portion 26B disposed between the opposing surface and the protrusion recess 26A. With the blade opening 211 disposed in the large diameter portion 26B, the plate recess 231 is inserted into the protrusion recess 26A from above the protrusion 26, whereby the blade 21 is sandwiched between the body 22 and the plate 23.

[0123] In the above configuration, after the blade 21 is attached to the body 22, the blade 21 can be fixed to the body 22 with the plate 23.

[0124] In this embodiment, the squeegee device 11 includes a movable member 30 that is movably supported on the holder 13 and has an engaging portion 34 that engages with an engaged portion 29 provided on the body 22, a first biasing member 40 that biases the movable member 30 so that the engaging portion 34 and the engaged portion 29 engage with each other, and a second biasing member 50 that biases the squeegee 12 so that the squeegee 12 and the holder 13 move apart. When the squeegee 12 approaches the holder 13 against the biasing force of the second biasing member 50, the engaging portion 34 and the engaged portion 29 engage with each other, and the squeegee 12 is fixed to the holder 13.

[0125] In the above configuration, when the squeegee 12 is lifted toward the holder 13 against the biasing force of the second biasing member 50, the biasing force of the first biasing member 40 causes the engaging portion 34 and the engaged portion 29 to engage with each other, and the squeegee 12 is attached to the holder 13.

[0126] In this embodiment, the squeegee device 11 includes a squeegee 12 including a blade 21 and a body 22 to which the blade 21 is attached, a holder 13 extending in the left-right direction and holding the squeegee 12, and a movable member 30 movably supported by the holder 13. The movable member 30 has an operating portion 32 and an engaging portion 34 that engages with an engaged portion 29 provided on the body 22. One operating portion 32 may be disposed in the center of the holder 13 in the left-right direction.

[0127] In the above configuration, operating the operating portion 32 of the movable member 30 supported by the holder 13 engages or disengages the engaging portion 34 of the movable member 30 and the engaged portion 29 of the body 22. A user of the squeegee device 11 can easily attach or detach the squeegee 12 to or from the holder 13 simply by operating the operating portion 32. Because the user can easily remove the squeegee 12 from the holder 13, the user can perform maintenance on the squeegee 12 removed from the holder 13. For example, the user can replace the blade 21 or clean the squeegee 12. Because the user can easily attach the squeegee 12 to the holder 13, the user can easily attach or detach the squeegee 12.

[0128] In this embodiment, the squeegee device 11 includes a first biasing member 40 that biases the movable member 30 so that the engaging portion 34 and the engaged portion 29 engage with each other.

[0129] In the above configuration, the biasing force of first biasing member 40 causes engaging portion 34 and engaged portion 29 to engage, and squeegee 12 is attached to holder 13. The user need only operate operating portion 32 when removing squeegee 12 from holder 13.

[0130] In this embodiment, the operating portion 32 is disposed rearward of the engaged portion 29. The first biasing member 40 biases the movable member 30 forward. When the operating portion 32 is operated rearward, the engagement between the engaged portion 29 and the engaging portion 34 is released.

[0131] In the above configuration, the user can disengage the engaged portion 29 from the engaging portion 34 by operating the operating portion 32 rearward from the rear of the squeegee device 11.

[0132] In this embodiment, the first biasing member 40 includes a coil spring. The movable member 30 has an accommodating recess 35 recessed upward from the lower surface of the movable member 30. The holder 13 has a rib portion 17C arranged inside the accommodating recess 35. The rear end of the first biasing member 40 contacts the rib portion 17C. The front end of the first biasing member 40 contacts the inner surface 36 of the accommodating recess 35.

[0133] In the above configuration, the first biasing member 40, which is a coil spring, can bias the movable member 30 forward.

[0134] In this embodiment, the squeegee device 11 includes a second biasing member 50 that biases the squeegee 12 so that the squeegee 12 and the holder 13 are spaced apart.

[0135] In the above configuration, after the engagement between the engaging portion 34 and the engaged portion 29 is released, the squeegee 12 easily separates from the holder 13 due to the biasing force of the second biasing member 50.

[0136] In this embodiment, at least a portion of the squeegee 12 is disposed below the holder 13. The second biasing member 50 biases the squeegee 12 downward.

[0137] In the above configuration, after the engagement between the engaging portion 34 and the engaged portion 29 is released, the squeegee 12 can be moved downward away from the holder 13 by the biasing force of the second biasing member 50.

[0138] In this embodiment, a plurality of second biasing members 50 are arranged in the left-right direction.

[0139] In the above configuration, after the engagement between the engaging portion 34 and the engaged portion 29 is released, the squeegee 12 can be smoothly separated from the holder 13 by the biasing force of the plurality of second biasing members 50.

[0140] In this embodiment, the second biasing member 50 includes a coil spring. The squeegee 12 has a rod portion 28 having a small diameter portion 28A into which the second biasing member 50 is inserted and a large diameter portion 28B disposed below the small diameter portion 28A. The lower end of the second biasing member 50 contacts a support surface 28C at the boundary between the lower end of the small diameter portion 28A and the upper end of the large diameter portion 28B. The upper end of the second biasing member 50 contacts the holder 13.

[0141] In the above configuration, the second biasing member 50, which is a coil spring, can bias the squeegee 12 downward.

[0142] In this embodiment, the engaging portion 34 and the engaged portion 29 each have a hook shape that can be hooked onto each other.

[0143] In the above configuration, the engaging portion 34 is hook-shaped and the engaged portion 29 is also hook-shaped, so that the engaging portion 34 is hooked onto the engaged portion 29, thereby attaching the squeegee 12 to the holder 13.

[0144] In this embodiment, a plurality of engaging portions 34 and a plurality of engaged portions 29 are provided in the left-right direction.

[0145] In the above configuration, the squeegee 12 is stably attached to the holder 13 by the plurality of engaging portions 34 and the plurality of engaged portions 29.

[0146] In this embodiment, the squeegee 12 has a pipe portion 25 having a suction flow path. The engaging portion 34 and the engaged portion 29 are disposed on both sides of the suction flow path in the left-right direction.

[0147] In the above configuration, the squeegee 12 is stably attached to the holder 13 by the engaging portion 34 and the engaged portion 29 arranged on both sides of the suction flow path.

[0148] In this embodiment, the operating portion 32 protrudes upward from the upper surface of the holder 13 .

[0149] With the above configuration, the user can easily operate the operation unit 32.

[0150] In this embodiment, the holder 13 has a guide opening 15C that guides the operating portion 32 in the front-rear direction.

[0151] In the above configuration, the operating portion 32 can stably move in the front-rear direction while being guided by the guide opening.

[0152] In this embodiment, two engaging portions 34 are arranged in the left-right direction, and the operating portion 32 is arranged between the two engaging portions 34 in the left-right direction.

[0153] In the above configuration, the user can smoothly move the two engagement portions 34 simultaneously by simply operating one operation portion 32.

[0154] In this embodiment, the squeegee device 11 includes a first biasing member 40 that biases the movable member 30 so that the engaging portion 34 and the engaged portion 29 engage with each other, and a second biasing member 50 that biases the squeegee 12 so that the squeegee 12 and the holder 13 move apart. When the squeegee 12 approaches the holder 13 against the biasing force of the second biasing member 50, the engaging portion 34 and the engaged portion 29 engage with each other, and the squeegee 12 is fixed to the holder 13.

[0155] In the above configuration, when the squeegee 12 is lifted toward the holder 13 against the biasing force of the second biasing member 50, the biasing force of the first biasing member 40 causes the engaging portion 34 and the engaged portion 29 to engage with each other, and the squeegee 12 is attached to the holder 13.

[0156] In this embodiment, the squeegee device 11 includes a first biasing member 40 that biases the movable member 30 so that the engaging portion 34 and the engaged portion 29 engage with each other, and a second biasing member 50 that biases the squeegee 12 so that the squeegee 12 and the holder 13 move apart. When the operating portion 32 is operated against the biasing force of the first biasing member 40, the engagement between the engaging portion 34 and the engaged portion 29 is released and the squeegee 12 moves away from the holder 13.

[0157] In the above configuration, when the operating portion 32 is operated against the biasing force of the first biasing member 40, the engagement between the engaging portion 34 and the engaged portion 29 is released, and then the squeegee 12 is separated from the holder 13 by the biasing force of the second biasing member 50.

[0158] [Second embodiment] A second embodiment will be described below. In the following description, the same or equivalent components as those in the above-described embodiment will be denoted by the same reference numerals, and the description of those components will be simplified or omitted.

[0159] FIG. 32 is a perspective view of a squeegee device 2011 according to the second embodiment, viewed from the upper left front. FIG. 33 is a top view of the squeegee device 2011 according to the second embodiment. FIG. 34 is an exploded perspective view of a holder 2013 according to the second embodiment, viewed from the upper left front. FIG. 35 is an exploded perspective view of a portion of the holder 2013 according to the second embodiment, viewed from the upper left front, and corresponds to an enlarged view of a portion of FIG. 34. FIG. 36 is a cross-sectional view of a squeegee device 2011 according to the second embodiment, and corresponds to the cross-sectional view taken along line EE in FIG. 32. FIG. 37 is a cross-sectional view of a portion of the squeegee device 2011 according to the second embodiment, showing a state in which the engaging portion 34 and the engaged portion 29 are engaged. FIG. 38 is a cross-sectional view of a portion of the squeegee device 2011 according to the second embodiment, showing a state in which the engaging portion 34 and the engaged portion 29 are disengaged.

[0160] The support portion 2017 movably supports the movable member 2030. The movable member 2030 is movable in the front-rear direction. The first biasing member 40 biases the movable member 2030 forward.

[0161] In this embodiment, the movable member 2030 moves in the front-rear direction when the lever portion 2032, which is the operating portion, is rotated. The lever portion 2032 is rotatably supported in a guide opening 2015C provided in the cover 2015. A cam 37 is fixed to the lower end of the lever portion 2032. The cam 37 is housed in a cam accommodating portion 2030A of the movable member 2030. The cam 37 can come into contact with a contact portion 17G of the support portion 2017, which is disposed in front of the cam accommodating portion 2030A.

[0162] As shown in Fig. 37, when the movable member 2030 moves forward due to the biasing force of the first biasing member 40, the engaging portion 34 engages with the engaged portion 29. As shown in Fig. 38, when the lever portion 2032 is rotated, the cam 37 rotates while abutting against the abutment portion 17G and the inner surface of the cam accommodating portion 2030A, and the movable member 2030 moves rearward. As the movable member 2030 moves rearward, the engagement between the engaging portion 34 and the engaged portion 29 is released.

[0163] [Third embodiment] A third embodiment will be described below. In the following description, the same or equivalent components as those in the above-described embodiment are denoted by the same reference numerals, and the description of these components will be simplified or omitted.

[0164] FIG. 39 is a perspective view of a squeegee device 3011 according to the third embodiment, viewed from the upper left front. FIG. 40 is a top view of the squeegee device 3011 according to the third embodiment. FIG. 41 is an exploded perspective view of a holder 3013 according to the third embodiment, viewed from the upper left front. FIG. 42 is an exploded perspective view of a portion of the holder 3013 according to the third embodiment, viewed from the upper left front, and corresponds to an enlarged view of a portion of FIG. 41. FIG. 43 is a cross-sectional view of the squeegee device 3011 according to the third embodiment, and corresponds to the cross-sectional view taken along line FF in FIG. 39. FIG. 44 is a cross-sectional view of a portion of the squeegee device 3011 according to the third embodiment, showing a state in which the engaging portion 34 and the engaged portion 29 are engaged. FIG. 45 is a cross-sectional view of a portion of the squeegee device 3011 according to the third embodiment, showing a state in which the engaging portion 34 and the engaged portion 29 are disengaged.

[0165] The support portion 3017 movably supports the movable member 3030. The movable member 3030 is movable in the front-rear direction. The first biasing member 40 biases the movable member 3030 forward.

[0166] In this embodiment, when button portion 3032, which is an operation portion, is pressed downward, movable member 3030 moves in the front-rear direction. Button portion 3032 is supported in a guide opening 3015C provided in cover 3015 so as to be movable in the up-down direction. Sloped surface 3032A is provided at the lower end of button portion 3032. Sloped surface 3030A is provided on a part of movable member 3030 facing slope 3032A. Sloped surface 3032A and slope 3030A are in contact with each other. Sloped surface 3032A faces downward and slopes upward toward the rear. Sloped surface 3030A faces upward and slopes downward toward the front.

[0167] As shown in Fig. 44, when the movable member 3030 moves forward due to the biasing force of the first biasing member 40, the engaging portion 34 and the engaged portion 29 engage with each other. As shown in Fig. 45, when the button portion 3032 is pressed downward, the inclined surface 3032A presses the inclined surface 3030A downward and rearward. When the inclined surface 3030A is pressed by the button portion 3032, the movable member 4030 moves rearward. As the movable member 3030 moves rearward, the engagement between the engaging portion 34 and the engaged portion 29 is released.

[0168] [Other embodiments] Figure 46 is an exploded perspective view from the upper left front showing a squeegee device 4011 according to another embodiment. In the above-described embodiment, the pipe portion 25 is provided on the squeegee 12. As shown in Figure 46, the pipe portion 25 may be provided on the holder 4013. The suction flow path of the pipe portion 25 provided on the holder 4013 is connected to the suction port 24 via the suction flow path 24R provided in the squeegee 12. [Explanation of symbols]

[0169] 1...scrubber dryer, 2...base member, 3...brush, 4...brush motor, 5...guide member, 6...handle, 7...supply tank, 8...recovery tank, 9...power supply, 10...suction motor, 11...squeegee device, 12...squeegee, 13...holder, 14...holder body, 15...cover, 15A...first cover part, 15B...second cover part, 15C...guide opening, 15D...opening, 15F...screw boss, 16...screw, 17...support part, 17A...first collection Container portion, 17B...second container portion, 17C...rib portion, 17D...opening, 17E...notch portion, 17F...screw opening, 17G...contact portion, 18...arm portion, 18A...opening, 19...holder recess, 20...caster, 21...blade, 21A...first blade, 21B...second blade, 22...body, 23...plate, 23A...first plate, 23B...second plate, 24...suction port, 24R...suction flow path, 25...pipe portion, 26...projection portion, 26A...projection recess, 2 6B...large diameter portion, 27...central protrusion portion, 27A...recess, 28...rod portion, 28A...small diameter portion, 28B...large diameter portion, 28C...support surface, 29...engaged portion, 30...movable member, 31...base portion, 32...operation portion, 33...arm portion, 34...engagement portion, 35...accommodating recess, 36...inner surface, 37...cam, 40...first biasing member, 50...second biasing member, 211...blade opening, 212...blade central opening, 231...plate recess, 232...plate central recess, 201 1...squeegee device, 2013...holder, 2015...cover, 2015C...guide opening, 2017...support portion, 2030...movable member, 2030A...cam accommodating portion, 2032...lever portion, 3011...squeegee device, 3013...holder, 3015...cover, 3015C...guide opening, 3017...support portion, 3030...movable member, 3030A...inclined surface, 3032...button portion, 3032A...inclined surface, 4011...squeegee device, 4013...holder.

Claims

1. Squeegee and a holder extending in the left-right direction and holding the squeegee; The squeegee Blade and a body to which the blade is attached; a plate that sandwiches the blade between the plate and the body, Squeegee device.

2. The blades include a first blade and a second blade, The plates include a first plate that sandwiches the first blade between itself and a front surface of the body, and a second plate that sandwiches the second blade between itself and a rear surface of the body.

2. The squeegee apparatus of claim 1.

3. the body has a protrusion protruding from a surface facing the blade, the blade has a blade opening in which at least a portion of the protrusion is disposed; The plate has a plate recess in which at least a portion of the protrusion is disposed.

2. The squeegee apparatus of claim 1.

4. the protrusion has a protrusion recess that is recessed downward from an upper surface of the protrusion, and a large diameter portion that is disposed between the opposing surface and the protrusion recess, the blade opening is disposed in the large diameter portion, The plate recess is inserted into the protrusion recess from above the protrusion.

4. The squeegee apparatus of claim 3.

5. When the protrusion is disposed in the blade opening and the plate recess, the upper end surface of the body and the upper end surface of the plate are disposed in the same plane.

4. The squeegee apparatus of claim 3.

6. a lower end of the blade being positioned below a lower end of the body and a lower end of the plate with the protrusion being positioned in the blade opening and the plate recess; 6. The squeegee apparatus of claim 5.

7. The protrusions are provided in plural at intervals in the left-right direction, a plurality of the blade openings and a plurality of the plate recesses are arranged at intervals in the left-right direction so that one of the protrusions is disposed in each of the blade openings and the plate recesses; 4. The squeegee apparatus of claim 3.

8. The dimension of the blade opening in the left-right direction is smaller than the dimension of the plate recess.

5. The squeegee apparatus of claim 4.

9. In the vertical direction, the dimension of the blade opening is larger than the dimension of the plate recess.

5. The squeegee apparatus of claim 4.

10. The protrusions protrude from the front and rear surfaces of the body.

4. The squeegee apparatus of claim 3.

11. The blade is made of rubber, The plate is made of synthetic resin or metal.

2. The squeegee apparatus of claim 1.

12. The body has a suction port.

2. The squeegee apparatus of claim 1.

13. The holder has a holder recess into which the squeegee is inserted from below.

2. The squeegee apparatus of claim 1.

14. The holder recesses are disposed at both ends of the holder in the left-right direction.

14. The squeegee apparatus of claim 13.

15. the body has a protrusion protruding from a surface facing the blade, the blade has a blade opening in which at least a portion of the protrusion is disposed; the plate has a plate recess in which at least a portion of the protrusion is disposed; the protrusion has a protrusion recess that is recessed downward from an upper surface of the protrusion, and a large diameter portion that is disposed between the opposing surface and the protrusion recess, With the blade opening disposed in the large diameter portion, the plate recess is inserted into the protrusion recess from above the protrusion, whereby the blade is sandwiched between the body and the plate.

2. The squeegee apparatus of claim 1.

16. a movable member that is movably supported by the holder and has an engaging portion that engages with an engaged portion provided on the body; a first biasing member that biases the movable member so that the engaging portion and the engaged portion engage with each other; a second biasing member that biases the squeegee so that the squeegee and the holder are spaced apart, When the squeegee approaches the holder against the biasing force of the second biasing member, the engaging portion and the engaged portion engage with each other, thereby fixing the squeegee to the holder.

16. The squeegee apparatus of claim 15.

Images