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| Number | Title | Issue Date |
| 6981539 | Hardware and clutch mechanism for window treatment A window treatment support, such as a support for a cellular shade and other kinds of shades, includes a head rail, a clutch mounted on the head rail to support and operate a window treatment; and a cord engaging the clutch for selectively raising and lowering the w... | 01/03/2006 |
| 6716125 | Pulley with belt-wiping surfaces A pulley plate, a pulley and a belt drive system are disclosed. Each include a pulley plate or a pulley having an inner surface adapted to be driven about an axis of rotation and having a perimeter. The inner surface additionally includes a plurality of belt-wiping ... | 04/06/2004 |
| 6267702 | Pulley with automatic emergency brake Pulley with automatic emergency brake including a disk (1) guiding the rope (3) having a pull (7) and a load leg (8), rotary supported by a suitable yoke (5), this pulley being provided with a double walled rocker arm (9), the outer walls of which are mou... | 07/31/2001 |
| 6165093 | Pulley with belt-wiping surface A pulley plate for use with an opposing pulley plate wherein the plates are configured so as to receive a belt therebetween. The pulley plate includes an inner surface and an outer surface. The inner surface is opposite the outer surface and is adapted fo... | 12/26/2000 |
| 6068564 | Continuously variable transmission with belt-driven pulley system A continuously variable transmission of an automotive vehicle comprises a primary pulley disposed on a power input shaft, and a secondary pulley disposed on a power output shaft. Each of the primary and secondary pulleys includes a fixed wheel counterpart... | 05/30/2000 |
| 6030307 | Rear derailleur with a cable guide roller A rear derailleur for a bicycle includes a base member for fixing to a bicycle frame, a movable member for supporting a chain guide, and a linkage mechanism coupling the base member to the movable member so that the movable member is capable of movement r... | 02/29/2000 |
| 5967925 | Pulley with controlled surface irregularity for an internal combustion engine An accessory drive system for an internal combustion engine includes a multi-ribbed belt and pulley system. Shear generators are machined, formed or molded and extend axially from the driving pulley's faces such that the shear generators expand the drive ... | 10/19/1999 |
| 5415593 | Drive power transmission element A drive power transmission element in which a wheel has a peripheral surface provided with a unique groove structure for receiving a power transmission element such as a drive belt, rope, cable, or other compressible element. The wheel is provided with a ... | 05/16/1995 |
| 5346181 | Hauling sheave with cleats A hauling block 20 having a sheave 30 comprising two identical halves 32 and 34. The hauling surfaces 40 and 42 of the sheave 30 carry outwardly extending, cleat receiving pockets 54. Reinforced cleats 50 are seated in the pockets 54 and releasably fasten... | 09/13/1994 |
| 5205793 | Rope or chain hauling pulley A pulley is described for hauling strands of rope or chain and for engaging a splice coupling a strand of rope to a strand of chain. A plurality of pockets are arranged about the periphery of the pulley for positively engaging every other chain link. A pl... | 04/27/1993 |
| 5188573 | Pulley construction A pulley is constructed from a pair of identical pulley halves, each having a central opening with a series of notches extending therefrom. A hub member extends through the pulley half openings, and outwardly deformed rings are formed in a side wall of th... | 02/23/1993 |
| 4413981 | Sheave A sheave for engaging strand materials such as textile fabric yarns and the like. The sheave has spoke members transferring torques to and from a hub under compression and tension loading. The sheave also has an annular strand engaging groove with abutmen... | 11/08/1983 |
| 4367067 | Ball chain positive drive stepless transmission A ball chain positive drive stepless transmission comprising two V sheaves deployed on a pair of parallel shafts and an endless ball chain serving as transmission medium therebetween and characterized in, each sheave having a V shaped groove formed by two... | 01/04/1983 |
| 4077271 | Drive power transmission element A drive power transmission element in the form of a wheel adapted to be mounted non-rotatably on a shaft or axle in which the wheel has a peripheral surface provided with a unique groove receiving a flexible power transmission element, such as a rope, in ... | 03/07/1978 |
| 4013142 | Elevator system having a drive sheave with rigid but circumferentially compliant cable grooves An elevator system including an elevator car, a counterweight, cables interconnecting the elevator car and counterweight, and a traction drive which includes a drive sheave over which the cables pass. The drive sheave has rigid but circumferentially compl... | 03/22/1977 |
