Class 474/121 - For shifting exterior surface of belt into engagement with pulley

Subclass of Class 474 - Endless belt power transmission systems or components
Definition: Subject matter wherein an inner surface of the belt* defines
No. of patents: 4
Last issue date: 02/21/2006

Number	Title	Issue Date
7000502	Drillpipe spinner The invention relates to an improved drill pipe spinner. The improved spinner may be used as a stand-alone piece of pipe handling equipment or may be used in an Iron Roughneck. The spinner comprises a pair of clamping arms that are movable between an open position a...	02/21/2006
4557710	Clutch controlled drive unit A drive unit preferably employed with a self-propelled lawn mower for driving at least one pair of wheels of the mower. An axle pulley is fixed on the axle of the drive wheels and a directional pulley is rotatably mounted above and in a spaced apart relat...	12/10/1985
4060964	Yarn texturing machine Each station of a row on a multistation yarn texturing machine comprises a common support unit for all driven members of that station, the driven members being interconnected for synchronous operation by a transmission system which includes a coupling mem...	12/06/1977
4010883	Thread delivery device for textile machines A thread delivery device, particularly for use with a texturing device, is described wherein an endless belt runs over two freely mounted rollers on a pivotable support. In the operative position of the support, the belt between the rollers contacts a pow...	03/08/1977

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