Abstract: The hollow plunger of a hydraulic tensioner for an engine timing chain protrudes from a tensioner housing in an oblique downward direction. An inner sleeve fixed to the housing slidably protrudes into the interior of the plunger, and has a ball check valve at its protruding end. Oil is supplied though the sleeve and the check valve to a high pressure oil chamber formed inside the plunger, and flows outward through a two-part leakage path formed by a gap between the sleeve and the interior of the plunger and a gap between the exterior of the plunger and an interior wall of a plunger-accommodating hole in the housing. Any air that enters the tensioner accumulates in a region surrounding the upper end of the sleeve, rather than in the high oil pressure chamber inside the plunger.

Abstract: A continuously variable transmission of an engine unit. A driving side pulley is mounted on a crankshaft. A driven side pulley is mounted on a driven shaft. A belt is looped around the driving and driven side pulleys. The continuously variable transmission is housed in a transmission case. The transmission case includes a drive shaft supporting portion supporting an end portion of the crankshaft, a driven shaft supporting portion supporting an end portion of the driven shaft 27, and a support column portion bridged between the drive shaft supporting portion and the driven shaft supporting portion. The engine unit thereby has a simple structure and increaes the strength of supporting a crankshaft and a driven shaft.

Abstract: A hydraulic tensioning system (1), which is used in traction mechanism drives, particularly chain drives of internal combustion engines, is provided. The tensioning system (1) includes a piston (3), which is designed in the shape of a crucible, subjected to a pressure by a pressure spring (8), guided in a linearly displaceable manner in a housing (2) and spring-loaded against a traction mechanism. Hydraulic fluid can flow out of a pressure chamber (5) depending on an actuating direction of the piston (3) via an overpressure valve (11) forming a damper and associated with the piston (3) or can enter via a one-way valve (7) of the housing (2) into the pressure chamber (5). The overpressure valve (11) encloses a valve plate (15) that is integrated in the piston (3), and a pressure spring (8) of the piston (3) surrounds an outside of the valve housing (12) of the overpressure valve (11).

Abstract: A hydraulic machine includes a support structure and a rotating group rotatably mounted relative to the support structure. The rotating group includes a shaft and a cylinder barrel with a plurality of circumferentially spaced cylinder bores. Reciprocal pistons extend from the shaft with each one of the pistons extending into an associated one of the cylinder bores. A joining assembly joins the shaft and the cylinder barrel so that the shaft and the cylinder barrel rotate together. The hydraulic machine further includes at least one oil dam associated with the rotating group and adapted to trap hydraulic fluid used for lubricating portions of the joining assembly.

Abstract: A damped isolator comprising a first hub, a first pulley connected to the first hub, a bearing carrier connected to the first hub, an elastomeric member engaged with the first hub, a one-way clutch engaged with the elastomeric member, a bearing received by the bearing carrier, a second hub engaged with the one-way clutch and the bearing, and a second pulley connected to the second hub.

Abstract: A method for installing, securing, or installing and securing at least one rope pulley of an elevator may include: arranging a set of ropes of the elevator and the at least one rope pulley, in a rigged or unrigged state, near an elevator car of the elevator or in a shaft of the elevator; and detachably mounting the at least one rope pulley to the elevator car, a frame structure of the elevator car, or a guide rail of the elevator car using a quick coupling. The elevator may include the ropes, the at least one rope pulley, the elevator car, and elevator car guide rails. The ropes may pass around the at least one rope pulley. The at least one rope pulley may be adapted to detachably mount to the elevator car, the frame structure, or one of the elevator car guide rails using a quick coupling.

Abstract: An automatic transmission comprises a converter case storing a torque converter, a transmission case storing a transmission mechanism, the transmission case connecting to the converter case at a front thereof and having a rear wall portion to close an end at a rear thereof, a lubricating-oil introduction passage provided at the converter case to introduce lubricating oil, a rear-side lubricating-oil supply passage provided at the rear wall portion to supply the lubricating oil to the transmission mechanism, a lubricating-oil supply pipe extending toward the rear wall portion in the transmission case, an upstream end of which connects to the lubricating-oil introduction passage and a downstream end of which connects to the rear-side lubricating-oil supply passage, wherein the lubricating-oil supply pipe is supported between the converter case and the rear wall portion.

Abstract: A seatbelt retractor includes an acceleration sensor. The acceleration sensor includes a sensor case having a supporting surface which is maintained horizontal. A self-standing inertia body whose bottom surface is placed on the supporting surface is installed inside the sensor case in a self-standing condition, and which tilts when a horizontal acceleration is exerted. An actuating member which, in accordance with a tilting movement of the self-standing inertia body, activates a lock mechanism to lock the extraction of the seat belt. An outer contour of a contact area where the supporting surface of the sensor case and the bottom surface of the self-standing inertia body are in surface contact is configured such that a distance from a center axis of the self-standing inertia body to the outer contour differ, in a horizontal plane, in a first direction and in a second direction orthogonal to the first direction.

Abstract: An elevator system (20) includes multiple elevator cars (22, 32) within a hoistway (26). Counterweights (24, 34) are associated with the respective elevator cars (22, 32) by load bearing members (40, 50). In some examples, different roping ratios are used for the load bearing members (40, 50). In some examples, the lengths of the load bearing members (40, 50) are selected to allow contact between the counterweights (24, 34) within the hoistway (26) and prevent contact between the elevator cars (22, 32). The difference in car and counterweight separation distances is greater than a stroke of a counterweight buffer plus an expected dynamic jump of the elevator cars. A disclosed example includes passages (80) through a portion of at least one of the elevator cars (22) for accommodating the load bearing member (50) of another elevator car (32) located beneath the elevator car (22) with the passages (80).

Abstract: A hub-pulley assembly comprising a hub adapted to be connected to a rotational member of a motor vehicle and having an axis, a pulley adapted to cooperate with a drive belt and driving means arranged between the hub and the pulley. The driving means comprise bidirectional disengagement means which allow a relative rotation between the hub and the pulley in both directions.

Abstract: The rubber element is positioned in the drive end of the chain guide and provides dampening and noise reduction for the guide, thereby reducing the overall noise from the meshing of the chain and the guide.

Abstract: A front derailleur for shifting a bicycle chain between chain rings of a bicycle crank set. The front derailleur may include an attachment mechanism for securing the derailleur to a bicycle frame member. The front derailleur may further include a chain guide for enclosing a bicycle chain and contacting the chain during shifting. The front derailleur may further include a six link movement mechanism adjustably affixed to the attachment mechanism and chain guide for selectively moving the chain guide and enclosed bicycle chain during shifting.

Abstract: A single support device (30) is adapted to support and secure a machine (34) at least one sheave (38) and a plurality of termination members (44, 46). The single support device (30) is conveniently installed within a hoistway (26) or within a machine room (90). The machine (34) and sheave (38) may be premounted to the support device (30) and the entire assembly can be lowered into position by crane (300).

Abstract: A power train handler having a first inverted T-shaped stand and a second inverted T-shaped stand the height of each of which is preferably independently adjustable. A T-shaped support is slidably attached to the upper end of each inverted T-shaped stand. Either an inverted U-shaped tip plate is rotationally balanced on a T-shaped support or a slotted bar having rotationally mounted arms is attached to the T-shaped support. Preferably, wheels are attached to the bottom of the inverted T-shaped stands; and, preferably, the inverted T-shaped stands are releasably, slidably, and lockably connected to each other.

Abstract: A stabilizer for material handling equipment, includes a base mount for mounting to the material handling equipment, a main frame pivotally attached to the base mount, and a release lever and magnet housing pivotally mounted to the main frame. A biasing element holds the main frame in a disengaged position away from a metallic floor surface. The release lever can be addressed by a user to overcome the biasing element and rotate the magnet housing to an engaged position, so that magnets in the magnet housing engage the metallic floor surface, holding or anchoring the material handling equipment in place. In order to disengage the magnets from the metallic floor surface, the user forces the release lever in an opposite direction, prying the magnets from the floor surface, upon which the biasing element further rotates the main frame, removing the magnet housing from the proximity of the floor.

Abstract: A power transmission belt comprising a polyester tensile cord having a heat shrinkage at 100° C. of less than 1% and/or a heat shrinkage at 150° C. of less than about 1.5% and/or a dimensional stability index of less than about 6%. The belt has a heat shrinkage after 24 hours at 100° C. of less than 1%. The polyester may be that sold under the trade name A360 or A363 by Performance Fibers, Inc. or equivalent polyethylene terephthalate. The tensile cord is particularly suited for use in V-belts for variable speed drives.

Abstract: A pit platform (10) within a pit (11) located in a floor, having a deck (12) that can be raised and lowered by a lifting means (14) between a raised position in which the deck is substantially level with the floor and a second position in which the deck is beneath the level of the floor. The deck is supported by a plurality of cables (18) controlled by the lifting means to effect substantially vertical movement of the deck within the pit. A method of moving the deck between the raised and second positions is also described. The pit platform has particular application to a workshop, enabling workers standing on the platform to position themselves at a comfortable height below a vehicle that is being worked upon. In the raised position the platform provides a safety cover for the pit.

Abstract: A roller storage system (1) for sheet-type media has at least one film drum (5) driveable by a motor with at least one strip-type film (5) and at least one winding drum (4) with a central drive spindle (8) driveable by a motor, wherein the strip-type film (5) can be wound onto the winding drum (4), where the winding drum (4) is carried floating on the drive spindle (8).

Abstract: A sprocket and hub assembly for use with a mechanical drive assembly of an agricultural implement includes a generally flat disc having an outer edge and a generally center mount portion. A series of teeth are radially defined around the outer edge of the disc. The assembly further includes a hub removably mounted to the generally center mount portion of the disc. The hub has a shaft engagement portion for removably coupling the hub to a driven shaft of the mechanical drive assembly. In one embodiment, the agricultural implement includes a retainer designed to hold a set of differently sized sprockets that can be interchangeably coupled to the driven shaft by the hub.

Abstract: A lift system is coupled between a work platform and a mast on a mast lift. The lift system includes at least one lifting rope connected between the work platform and the mast via an idler roller and a hoist drum connected to the work platform. The idler roller is displaceable between an engaged position and a disengaged position based on an amount of tension on the lifting rope. A spring is connected to the idler roller and urges the idler roller toward the engaged position. A carriage latch assembly includes a carriage latch hook coupled with the idler roller and a pin secured to the mast. When the idler roller is disposed in the engaged position, the carriage latch hook is engageable with the pin.