711results about How to "Prevent rebound" patented technology

A solar battery module device (14), wherein an bottom-side end part (22) is fixed onto a placing surface (23) by fitting the top-side end part (19) as one-side of a rectangular shape of a rectangular flat plate-like solar battery module (16) to the engagement part (20) of an upper frame (21) forming a frame (17) from the lower side of a roofer and by fitting a fixing cover (27) to a lower frame (24) in a state in which the bottom-side end part (22) as the opposite-side of the rectangular shape of the solar battery module (16) is placed on the placing surface (23) of the lower frame (24) forming the frame (17). According to the solar battery module device of the present invention, operations such as installation work and maintenance and inspections for the device can be easily and safely performed without damaging the solar battery module (16).

A six degree of freedom force reflecting haptic interface includes three powered axes and three free axes, all of which are tracked so that the position of a user connection element in the work volume can be determined. The interface includes cable drives with polymer composite or metallic cables, automatic cable tensioning devices, and grounded actuator capstans. A nested hub and transfer drive provide a compact, weight balanced interface. User comfort and safety features are also provided.

A clip has a head part adapted to be contacted with a peripheral edge of a fitting hole in a panel to be fitted, and a leg part adapted to be inserted into the fitting hole thereby to be engaged with the peripheral edge of the fitting hole. The leg part has a post suspended from a center of a lower face of the head part, at least three projections which are radially extended from the post in a diametrical direction and connected to the lower face of the head part at their upper ends, and engaging pieces which are extended from these projections in a circumferential direction to be respectively positioned between the projections. The engaging pieces are connected to the head part at their upper ends, and provided with slits between their circumferentially extended ends and the opposed projections.

A bicycle sprocket basically has a metallic sprocket ring part and a synthetic resin fastening part that is configured to ensure that weight can be reduced and that loss of fastening force resulting from deterioration or deformation of the synthetic resin can be prevented. The metallic sprocket ring part includes a ring element with a plurality of sprocket teeth located on an outer periphery of the ring element, a plurality of connecting elements located on an inner periphery of the ring element and a plurality of internal fastening elements located on radial inner ends of the connecting elements, respectively. The synthetic resin fastening part is non-movably formed on both axial faces of the sprocket ring part at a location radially inwardly of the sprocket teeth so as to cover at least a portion of the inner periphery of the ring element, the connecting elements, and the internal fastening elements.

A six degree of freedom force reflecting haptic interface includes three powered axes and three free axes, all of which are tracked so that the position of a user connection element in the work volume can be determined. The interface includes cable drives with polymer composite or metallic cables, automatic cable tensioning devices, and grounded actuator capstans. A nested hub and transfer drive provide a compact, weight balanced interface. User comfort and safety features are also provided.

A child seat includes a seat body having a seat portion, a rear portion, and left and right side panels; airbags to be inflated at sides of a head of a child; and hollow cushions disposed along inner surfaces of the side panels. When an automobile equipped with the child seat collides, the airbags are inflated at the sides of the head of the child, so that an impact applied to the head is absorbed. Furthermore, the cushions absorb a large impact from sides in a side collision and the like. The cushions are preferably disposed below regions where the airbags are inflated. The cushions receive a part of the child other than the head to absorb the impact.

A solar battery module device (14), wherein an bottom-side end part (22) is fixed onto a placing surface (23) by fitting the top-side end part (19) as one-side of a rectangular shape of a rectangular flat plate-like solar battery module (16) to the engagement part (20) of an upper frame (21) forming a frame (17) from the lower side of a roofer and by fitting a fixing cover (27) to a lower frame (24) in a state in which the bottom-side end part (22) as the opposite-side of the rectangular shape of the solar battery module (16) is placed on the placing surface (23) of the lower frame (24) forming the frame (17). According to the solar battery module device of the present invention, operations such as installation work and maintenance and inspections for the device can be easily and safely performed without damaging the solar battery module (16).

There is provided a liquid ejecting apparatus including: a liquid ejecting head capable of ejecting liquid; and a plurality of cap units each having a cap for individually capping a plurality of head areas of the liquid ejecting head. The plurality of cap units is constructed such that the shift position of each cap that is shifted from a retracted position toward the head area can be varied according to the distortion of the liquid ejecting head.

An in-line sampling system that includes a sampling valve and a syringe for selectively introducing a fluid to and aspirating a fluid from a downstream fluid conduit connected to a catheterized patient. The syringe has a fluid chamber into which fluid is aspirated, a volume regulator for adjusting the volume, a fluid line through which fluid flows through the syringe to a downstream fluid conduit. The syringe also has a valve mechanism for selectively controlling fluid flow along the fluid line and selectively shifting the volume regulator to adjust the volume of the fluid chamber. A housing provides for the fluid chamber and mounts the fluid line, valve mechanism and volume regulator.

A wrapping device includes a base body which is connected with support elements and a holding arm. The holding arm has rotatably connected thereto a wrapping arm. The wrapping arm carries a roll holder. At the roll holder, a rotatably supported film roll is arranged for being displaced in a predetemined direction for wrapping up objects arranged on a pallet. For transporting the wrapping device, the support elements serve as fastening elements and are of hollow configuration such that support elements of a lift truck can be inserted therein.

A lever lock type connector includes a pair of outer housings including connecting terminals for an electrical connection, the pair of outer housings being joined each other by a rotating operation of a rotating lever in a state that the rotating lever rotatably supported by one of the pair of outer housings is engaged with an engaging portion of an other of the pair of outer housings, and a locking member that is provided on the one of the pair of outer housings and movable towards a sidewall of the other of the pair of outer housings. The locking member is adapted to move towards the sidewall of the other of the pair of outer housings in conjunction with the rotating operation of the rotating lever so as to contact the sidewall of the other of the pair of outer housings.

A telescopic shaft for steering of a vehicle is assembled in a steering shaft and includes a male shaft and a female shaft that are so fitted as not to be rotatable but to be slidable. Rolling members are fitted through an elastic body for pre-load between at least a pair of axially-extending grooves formed in an outer peripheral surface of the male shaft and in an inner peripheral surface of the female shaft. A slide member is fitted in between at least another pair of axially-extending grooves formed in the outer peripheral surface of the male shaft and in the inner peripheral surface of the female shaft. When a steering toque is equal to or smaller than a predetermined level, the elastic body for the pre-load exhibits a low rigidity characteristic as the elastic body performs pre-load action. When the steering torque is equal to or larger than the predetermined level, the slide member exhibits a high rigidity characteristic as the slide member engages with the pair of axially extending grooves.

A bicycle sprocket basically has a metallic sprocket ring part and a synthetic resin fastening part that is configured to ensure that weight can be reduced and that loss of fastening force resulting from deterioration or deformation of the synthetic resin can be prevented. The metallic sprocket ring part includes a ring element with a plurality of sprocket teeth located on an outer periphery of the ring element, a plurality of connecting elements located on an inner periphery of the ring element and a plurality of internal fastening elements located on radial inner ends of the connecting elements, respectively. The synthetic resin fastening part is non-movably formed on both axial faces of the sprocket ring part at a location radially inwardly of the sprocket teeth so as to cover at least a portion of the inner periphery of the ring element, the connecting elements, and the internal fastening elements.

A vehicle steering telescopic shaft having a male shaft and a female shaft so fitted to each other as not to be rotatable but to be slidable. First torque transmitting members are disposed between the male shaft and the female shaft, and roll when the male shaft and the female shaft make relative movements in axial directions. Elastic members are disposed adjacent in a radial direction to the first torque transmitting members and restrict them when rotated and apply a pre-load to the male shaft and the female shaft through the first torque transmitting members when not rotated. Second torque transmitting members are provided between the male shaft and the female shaft, and slide when the male shaft and the female shaft make the relative movements in the axial directions, and transmit a torque when rotated.

A sport ball arresting structure may be characterized in one aspect as including an inflatable quadra-pod mounted on a substantially rectangular flexible planar base for placement on the ground. The quadra-pod includes four legs formed, when the quadra-pod is inflated, by two criss-crossed inflatable tubes forming a dome. The tubes are criss-crossed at a vertex of the quadra-pod. Lower ends of the four legs are mounted to the four corners of the base, one lower end per corner. A flexible net is mounted within the dome so as to drape completely across the interior of the dome and parallel to an entrance to the structure defined by a front pair of legs and a front edge of the base.

A device for preventing backlash in a gear train, comprising a first and second drive gear, driven by a first and second motor, with a driven gear, a system controller defining a nominal trajectory of said driven gear, a position feedback controller for calculating a speed set point, a phase controller for calculating a difference between said first and second motor torque, providing torque upper and lower levels, comparing said difference to said upper and lower levels and adjusting the phase set point for said first and second motors based at least upon the comparing, where the phase is reduced if said difference is greater than or equal to said upper level, said phase is increased if said difference is less than or equal to said lower level, and said phase is kept constant if said difference is greater than said lower level and less than said upper level.

According to the present invention, a rolling element 7 for rotating upon relative movement of both shafts 1 and 2 in the axial direction is disposed between three pairs of axial grooves 3 and 5 which are formed on the outer peripheral surface of the male shaft 1 and on the inner peripheral surface of the female shaft 2, respectively, a raceway surface element 9 which is in contact with the rolling element 7 and an elastic member 10 for pressurizing the rolling element 7 against the male shaft 1 and the female shaft 2 through the raceway surface element 9 are interposed between the axial groove 3 on the male shaft side 1 and the rolling element 7, and a sliding member 8 for slidably moving upon relative movement of the both shafts 1 and 2 in the axial direction is disposed between another three pairs of axial grooves 4 and 6 which are formed on the outer peripheral surface of the male shaft 1 and on the inner peripheral surface of the female shaft 2, respectively.

The invention provides a concrete water cooling overall process testing device and method. A main testing machine comprises a concrete test sample containing device, and a test sample is placed in the concrete test sample containing device; a loading system is connected with a movable clamping chuck arranged on the concrete test sample containing device, a water cooling simulation system is arranged in a concrete test sample containing space and comprises a water pipe, the water pipe is provided with a water inlet and outlet connecting pipe which penetrates through the containing space to be connected with a water supplying device to form a loop, and the loop is provided with two executing mechanisms, that is, the cooling device and the circulating power device; a flowmeter and a water temperature sensor are arranged in the loop. According to the concrete water cooling overall process testing device and method, the self temperature stress developing process including the developing process of parameters such as adiabatic temperature rise, a thermal expansion coefficient, elasticity modulus and creep along with time of concrete in the overall process from pouring to hardening can be tested under the condition of multiple temperature control measures, and a true meteorological environment can be also simulated to simulate the temperature stress and the cracking mechanism which are influenced by natural factors. The device can set different temperature and constraint degree conditions including insulation, constant temperature, temperature rising and lowering process setting and the like as needed. The crack resistance of the concrete is evaluated through a concrete cracking overall process simulation test.

A backlash preventing structure for a steering column is provided for reducing the cost by reducing the number of parts and improving the ease of assembly, and for preventing hammering noise. The steering column has a cylindrical movable jacket slidably fitted into an outer cylindrical housing, the outer cylindrical housing having three holes formed therethrough in an axial direction, a steering shaft swingably disposed within the movable jacket, and a steering wheel secured to one end of the steering shaft. The backlash preventing structure, which prevents backlash of the movable jacket against the outer cylindrical housing, comprises a pair of press members each fitted into a left or a right side hole of the outer cylindrical housing, and a leaf spring fixed to the outer cylindrical housing with a screw screwed into a central hole of the outer cylindrical housing for urging the press members onto an outer peripheral surface of the movable jacket.

In a connector for memory card, it is objected to stabilize contact of detection switch for detecting insertion of a memory card, and to prevent breakage of the memory card due to bounce-out when it is taken out. The detection switch is held on a contact block with contacts which are to be contacted with terminals of the memory card, and comprised of a fixed contact plate and a movable spring piece. A groove having substantially V-shape is formed on a contacting portion of the movable spring piece so as to contact with the fixed contact plate at two points. Furthermore, elastic protrusions that can fit to recessed portions for locking formed on the memory card just before the slider holding the memory card reaches to an initial position is formed on a top plate of the housing, so that the bounce-out of the memory card is prevented.

A spool braking device for a dual bearing reel includes a spool brake unit, a spool control unit, and a tension detection unit that includes a rotational speed sensor. The spool control unit is arranged between a spool and a reel body, and it an electrically controllable unit that controls the spool. The tension detection unit detects the tension applied to fishing line that is released from the spool during casting. The spool control unit electrically controls the spool braking unit so that the spool braking unit brakes the spool with a first braking force of 50 to 100% of the maximum braking force during a first predetermined time period when the tension detected by the tension detection unit is at or below a first predetermined value.

Provided is a display device, including: a first protrusion formed to an inner side surface of one of side walls of the frame on a short side of an angled corner portion surrounded by the side walls; a second protrusion formed to an inner side surface of one of the side walls on a long side of the angled corner portion; and a third protrusion formed at another angled corner portion on another end side of at least one of the side walls sharing the angled corner portion provided with the first and second protrusions, and formed to an inner side surface of one of the side walls that is opposed to the side wall to which the first protrusion and / or the second protrusion are / is arranged, the optical sheet including cut-out first to third recesses which are to be fitted to the first to third protrusions.

Spherical members 7 are provided between plural pairs of axial grooves 3, 5 which are respectively formed on the outer peripheral surface of a male shaft 1 and on the inner peripheral surface of a female shaft 2, a leaf spring 9 for preload is interposed between the axial groove of the male shaft and the spherical member, and columnar members 8 are provided between another plural pairs of axial grooves 4, 6 which are respectively formed on the outer peripheral surface of the male shaft 1 and on the inner peripheral surface of the female shaft 2. Moreover, the radius of curvature of a transverse cross section of the axial groove 5 on the side of the female shaft 2 in which the spherical member 7 is rotated is set as 55% or less of the diameter of the spherical member 7.

A device for preventing backlash in a gear train, comprising a first and second drive gear, driven by a first and second motor, with a driven gear, a system controller defining a nominal trajectory of said driven gear, a position feedback controller for calculating a speed set point, a phase controller for calculating a difference between said first and second motor torque, providing torque upper and lower levels, comparing said difference to said upper and lower levels and adjusting the phase set point for said first and second motors based at least upon the comparing, where the phase is reduced if said difference is greater than or equal to said upper level, said phase is increased if said difference is less than or equal to said lower level, and said phase is kept constant if said difference is greater than said lower level and less than said upper level.

Drop test apparatus, for performing a drop impact test by dropping an article to be tested on a landing surface in a free fall state and by colliding the article with the landing surface, is equipped with a holder for holding the article and an acceleration means for accelerating the holder. The holder with the article is accelerated in the dropping direction of the article by the acceleration means, and the article is released from the holder at the point when the holder is accelerated to a predetermined speed and is dropped to the landing surface. The reproducibility of the test can be enhanced due to an elimination of an unstable factor such as frictional resistance when the holder is dropped, and a higher test in a dropping height without scaling-up the apparatus can be achieved.

A watertight connector has a rubber member (40) mounted on an inner housing (13), and this rubber member (40) includes a sealing portion (41) substantially in the form of a tube fittable on the outer circumferential surface of the inner housing (13) before a flange (23), legs (43) integral to the sealing portion (41) and shaped to be insertable backward through pass-through openings (26), and backlash preventing portions (44) integral to the legs (43), shaped to be engageable with the peripheral edges of the pass-through openings (26) from behind and arranged between the flange (23) and a facing wall (32).