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| Number | Title | Issue Date |
| 7069805 | Driving force transmission device A driving force transmission device includes a rim having a toothed outer periphery, with bottom lands being formed between respectively adjacent teeth and top lands being formed at teeth crests. Outer ribs are disposed at positions on an inner peripheral surface of... | 07/04/2006 |
| 7070170 | Cable sheave for a cableway system A cable sheave for cableway systems has a hub and a sheave surface extending outwardly from the hub. The sheave surface may be formed of spokes and a cable groove is formed on its periphery. Fastening devices are provided in the sheave surface for rigidly connecting... | 07/04/2006 |
| 6962659 | Contaminant skimming device An oil skimmer for removing oil floating on surfaces of bodies of water. The oil skimmer includes a support frame, respective drive pulley and guide pulleys rotatably mounted to the support frame on respective shafts, and a drive train which rotatively drives the dr... | 11/08/2005 |
| 6881166 | Pulley A pulley consists of a pulley basic body which has a cylindrical outer circumferential surface. Sitting on this cylindrical outer circumferential surface is a tire which is of sandwich-like design with regard to its radial extent. This results in a plurality of ring... | 04/19/2005 |
| 6755393 | Drive sheave of elevator In an elevator drive sheave, positioning of divided segments in a circumferential direction relative to a sheave body and transmission of torque between the sheave body and the divided segments are performed by a torque transmission mechanism having a plurality of k... | 06/29/2004 |
| 5954605 | Pulley A magnetic-tape-cassette apparatus provides a pulley (1, 21, 22) for a belt drive, particularly to a flywheel for a deck of the magnetic-tape-cassette apparatus. The pulley has a groove (10) at its circumferential edge (6, 7), in which groove a drive belt... | 09/21/1999 |
| 4936549 | Pulley A pulley comprises a hub with spokes arranged radially about its circumference. Secured on the spokes is a rim with a rim base accommodating lining inserts having holes wherethrough a flexible link extends to embrace the rim base. At the outside of the pu... | 06/26/1990 |
| 4571225 | Sheave assembly A sheave assembly for use with rope or cable. The sheave assembly includes a sheave having a hub adapted to be rotatably mounted about an axis. An annular rim is coaxially supported by the hub. The sheave further includes side flange walls adjacent the ri... | 02/18/1986 |
| 4496336 | Pulley device A pulley device having a V-groove is formed by friction welding a pair of stamped steel plates together. A metal plate having a melting temperature lower than the steel plates is placed between the plates to melt-bond therewith by friction welding.... | 01/29/1985 |
| 3946618 | Bull wheel A bull wheel is disclosed for applying a tensioning or retarding force to cable. The bull wheel has a center drum having a peripheral rim. A series of groove defining segments of resilient material are detachably secured to the rim to form the traction wh... | 03/30/1976 |
