50results about How to "Reliable displacement" patented technology

Apparatus and methods for use in measurement of applied load at a chainring assemblage of a pedal powered device are provided. The apparatus includes a link adapted for interposition between a chainring attachment site located on a conventional chainring mount, or spider, and a corresponding chainring attachment locale at a conventional chainring. The link has a geometry and/or material composition selected to accommodate measurement of load exhibited between the attachment site and the corresponding chainring attachment locale. Means for measuring the load exhibited thereby is associated with the link.

A gripping tool having a mandrel reciprocatable within a slide member, the mandrel having a top connector for connecting to a tubular string and a bottom connector for connecting to a cutting tool, the slide member having at least one radially outwardly biased friction member and a slip cage with at least one window through which a slip is deployable, by movement of the mandrel within the slide member, to engage and grip a section of casing to be removed from a well, the mandrel being rotatable by rotation of the tubular string to operate the cutting tool with the gripping tool in the gripping mode. After detachment of the section of casing by the cutting tool, the gripping tool and the gripped section of casing are pulled from the well. The gripping mode is restorable to a running position to reset the tool in the casing.

A drilling apparatus has a housing, a motor in the housing, a drive spindle rotatable about an axis on the housing, a chuck body, and a plurality of jaws shiftable in the chuck body. First and second elements interconnected by a screw thread and engaged between the body and the jaws for shifting the jaws on the housing. A drive sleeve rotationally fixed to the first element is drivable by the motor.

A glow plug including a substantially cylindrical housing extending in an axial direction; a rod-shaped heater unit having a front end protruding from the front end of the housing and movable in the axial direction; a connecting member connecting the heater unit to the housing within the housing and allowing the heater unit to move in the axial direction; and a pressure sensor that detects pressure received by the heater unit. The heater unit has a large-diameter portion at the rear end thereof and a small-diameter portion frontward of the large-diameter portion and having a diameter smaller than the diameter of the large-diameter portion. The connecting member connects the small-diameter portion of the heater unit to the housing within the housing.

The invention discloses a box-type house capable of being rapidly installed, and relates to the technical field of box-type house framework. The box-type house comprises a top wallboard assembly, a left wallboard assembly, a right wallboard assembly, a front wallboard assembly, a rear wallboard assembly and a bottom wallboard assembly. The top wallboard assembly comprises a front transverse sliding rail beam and a rear transverse sliding rail beam, and the front transverse sliding rail beam and the rear transverse sliding rail beam are provided with sliding connection structures. A left sliding hinge set is arranged at the left end of the bottom wallboard assembly, a right sliding hinge set is arranged at the right end of the bottom wallboard assembly, the left sliding hinge set is connected with the bottom of the left wallboard assembly, and the right sliding hinge set is connected with the bottom of the right wallboard assembly. The front wallboard assembly and the rear wallboard assembly are each composed of a hinged wallboard set and an inserted wallboard set, the bottom of each hinged wallboard set is connected with an inserted hinge assembly, and the bottom of each inserted wallboard set is provided with an assembling structure. The box-type house capable of being rapidly installed has the advantages of reliable installation process, stable structure and high installation efficiency.

A light scanner includes a light reflection part having light reflectivity, a movable part having the light reflection part and being rotatable around a first rotation center axis and a second rotation center axis, a pair of movable beams extending from the movable part, a displacement part connected to the movable beams and rotating the movable part around the first rotation center axis, a first drive part that drives the displacement part, a pair of drive beams extending from the displacement part in parallel to the light reflection surface and orthogonal to an extension direction of the movable beams, a support frame that supports the drive beams, and a second drive part that rotates the movable part around the second rotation center axis, and the movable beam has a bending part that bendingly deforms due to displacement of the displacement part.

In a fluid pressure cylinder, first and second cylinder chambers facing respective opposite end surfaces of a piston are formed inside a cylinder tube including a supply port and a discharge port, and a first piston rod connected to one end surface side of the piston is formed to have a greater diameter than that of a second piston rod connected to another end surface side of the piston. Therefore, a second pressure-receiving area of a second pressure-receiving surface formed on the other end surface of the piston is greater than a first pressure-receiving area of a first pressure-receiving surface formed on the one end surface. Pressure fluid in the first cylinder chamber is supplied to the second cylinder chamber, whereby area difference between the first pressure-receiving area and the second pressure-receiving area causes the piston to move toward the first cylinder chamber.

A brake carrier includes a carrier unit having a first connecting section fixed to a brake cylinder, a second connecting section fixed to a converter unit and a third connecting section fixed at an axle element; a transmission element received between the first and second connecting sections; the brake cylinder, the transmission element and the converter unit are fixed to the axle element by the carrier unit; the transmission element can be displaced mainly along an a transmission axle that is tilted in relation to the wheel axle such that the converter unit is aligned closer to the wheel axle than the brake cylinder; the first connecting section is offset along the wheel axle to the connecting section; and the relation of the offset between the first and third connecting sections and the distance to the wheel axle from the transmission axle has values between about 0.1 and about 2.

The invention relates to a roll stand (4) having work rolls (2, 3) mounted therein. The roll stand has at least one upper mounting rail (55, 56), which is mounted on a drive-side roll stand frame (16)and oriented in a transverse direction to a rolling line (8) running through the roll stand. In order to be able to keep the structure space in the roll stand over the rolling line free during rolling - except for a roll change - and still change the roll efficiently, the upper mounting rail (55, 56) is configured to be moved into the rolling line and out of the rolling line, starting from the drive-side roll stand frame.

An airbag device includes a curtain airbag that is inflated by gas supplied to an inside of the curtain airbag, and that is configured to be deployed to a vehicle width direction outer side of an occupant seated in a vehicle seat, a main airbag that is inflated by gas supplied to an inside of the main airbag, and that is configured to be deployed from an instrument panel side to a front side of the occupant seated in the vehicle seat, and an auxiliary airbag that is inflated by gas supplied to an inside of the auxiliary airbag, and that is configured to be deployed between a vehicle width direction inner portion of the main airbag and an instrument panel.

The invention relates to a current collector 1 for a device 2 that can be displaced with and against the driving direction F along a conductor line 5, comprising a current collector cart 8 for the guided displacement along a guide element 9 of the conductor line 5, and an energy transmission system. The invention solves the problem of providing a current collector and an energy transmission system, which enable an energy-conserving, contact-reliable and damage-free displacement of the current collector along a conductor line and a simple connection of the current collector to the conductor line, in that at least one first lever assembly 12L between the current collector cart 8 and displaceable device 2 is provided with a first drive lever arm 13L, the first end of which can be connected in a rotatable manner to the displaceable device 2 and the second end of which is connected in a rotatable manner to a second end of at least one first tension lever arm 14L, the first end thereof being connected in a rotatable manner to a current collector cart, wherein a first adjustment drive 15L is provided in order to be able to move the current collector cart 8 between a retracted position on the displaceable device 2 and an extended position away from the displaceable device 2, and wherein a first locking device 16; 18L; 15L is provided, in order to lock the first drive lever arm 13L when displacing the displaceable device 2 in the driving direction F in a predetermined extended position.

The invention discloses a multi-screw type frequency conversion refrigeration compressor. At least two screw rotors are arranged, and arranged and positioned on a rotating shaft in a sleeving manner in the length direction of the rotating shaft. A screw groove of each screw rotor is defined by a shell inner wall and two star wheels to form two closed cavities. Exhaust passages corresponding to the closed cavities are formed in the shell, correspond to high-pressure exhaust sides of the screw rotors and communicate with an exhaust port. A corresponding exhaust passage is provided with a sliding valve structure capable of adjusting the opening size of the exhaust passage. The two sets of sliding valve structures are arranged. Each sliding valve structure comprises a lead screw and multiple valve blocks. The two lead screws are arranged on the two sides of the rotating shaft in parallel, and the corresponding valve blocks correspond to a bypass opening in one side of each screw rotor. The lead screws are rotationally arranged in a compression side shell. When the lead screws rotate, the valve blocks horizontally move on the lead screws front and back, and the function of adjusting the opening size of the exhaust passages is achieved. The upper limit of the exhaust amount is broken through, the refrigeration effect is improved, and during frequency conversion adjustment, additional acting losses of a compressor cannot be caused.

In an electrical connecting apparatus, a first guide is arranged in a plate-shaped lower base in which the contactors are arranged. The first guide has a first space for guiding a device under test so that its electrodes will contact the tips of contactors and for positioning the device under test against the contactors. The device under test is guided to the first space by second guides and is received and thrust by the tips of the contactors. By doing so, displacement of the device under test caused by displacement of the upper base or the second guides is prevented.

The invention provides an entrance-and-exit single protection closed door. The entrance-and-exit single protection closed door comprises a door frame, a door leaf, a locking assembly and a bottom sealing mechanism. A lower door doorsill of the door frame is flush with the ground; the locking assembly comprises side locking heads and a first driving device, the side locking heads are connected to the door leaf, and the first driving device is connected to the centers of first transmission rods with the two ends connected to the side locking heads through first driving rods; the bottom sealing mechanism comprises lower locking heads, a sealing beam and pin shafts, the lower locking heads are connected to the door leaf in a drivable mode, penetrating locking-head sleeves are fixed in the sealing beam, and the pin shafts penetrate through the lower locking heads and the locking-head sleeves and extend out, so that the sealing beam is fixedly connected with the lower locking heads. According to the entrance-and-exit single protection closed door, the door doorsill of the single protection closed door is flush with the ground, an active doorsill does not need to be installed during wartime to conveniently pass on weekdays, and the quick-closing-in-place function and the protection sealing function during wartime can be achieved; the lower locking heads are matched with locking holes, the sealing reliability is enhanced, and the anti-impact performance is improved; due to arrangement in the locking assembly, operation is easy and convenient, and rapid opening and closing are achieved.

The invention provides a fluid pump apparatus comprising a fluid inlet, a fluid outlet, a screw member and a rotatable pump member. The screw member has at least one helical screw blade configured to be rotated by a fluid flow stream and the rotatable pump member is in fluid communication with the fluid inlet and/or fluid outlet.