Matches 1 - 24 out of 24
Match Document Document Title
7033293 Expandable pulley  
An expandable pulley. The expandable pulley comprises a plurality of belt blocks arranged about an axis of rotation. Each belt block bears upon a radial surface extending normally to the axis of...
6908406 Continuously variable transmission with elastomeric meshing interface  
A system for transmitting power from a driving, or input, shaft to a driven, or output, shaft by way of an elastomeric belt nipped between opposing surfaces associated with the driving and driven...
6296585 Driver roller, in particular for drive belts of a thread supply device on a textile machine  
A driving roller with an outer working periphery having a changeable diameter has a first disk and a second disk arranged coaxially with one another and returnable relative to one another in any...
5199929 Automatic bicycle transmission  
An electronic, automatic bicycle transmission that compensates gear ratios according to changes in pedaling pressure and pedaling speed. A drive belt rides upon smooth, cone shaped surfaces at the...
4929217 Variable speed pulley  
A variable speed pulley adapted to be mounted on a shaft has a resilient member with an exterior surface adapted to support a belt thereon. The compression of the resilient member is controlled to...
4892507 Single or double variable diameter pulley and speed variators including such a double pulley  
Pulley usable in single or double form. It comprises a guidance structure (3) for segments (4) displaceable in accordance with the setting of the rods (7), which are advantageously symmetrically...
4594957 Sewing machine belt feed with variable pitch drive pulley  
A work advancing mechanism for a sewing machine which includes a driven circulatory belt for positively advancing the work beneath the presser foot of the machine. The belt is entrained about and...
4487518 Adjustable printer head drive  
An adjustable diameter pulley, particularly suitable for the belt tension adjustment in belt transmission system such as those used in serial printers, utilizing a central core having a tapered...
4478594 Belt tensioning means  
A combination of a power transmission belt that is to be operated in an endless path and a tensioner for the belt is provided, the tensioner comprising a support unit fixed relatively to the belt,...
4453923 Variable diameter pulley assembly  
A variable diameter pulley assembly for use with a power transmission belt and adapted to be connected to a shaft comprising opposed sets of axial and radial movable generally triangular or...
4024772 Variable speed flat belt transmission  
The subject transmission includes a pair of pulleys mounted for rotation on spaced parallel axes, each pulley having axially spaced sets of oppositely inclined guideways for adjustably receiving...
3956944 Torque operated, variable diameter belt sheave or chain sprocket  
A variable ratio chain sprocket is disclosed wherein a plurality of chain engaging segments are slidingly affixed between a first pair of disks and are constrained to move in a radial direction...
3828626 HAND OPERATED VARIABLE SPEED REDUCERS  
A hand operated reducer or speed changer for use in connection with transmission gears which comprises motor and driving axles on one single line, lodged in a housing and jointed by a ball-bearing,...
3800613 VARIABLE SPEED SPROCKET DRIVE  
A variable speed sprocket drive utilizing multiple small coplanar sprockets mounted on hinged arms on a common shaft, with means for moving the arms radially in unison to vary the effective...
3611819 MOTION-TRANSMITTING ARRANGEMENT  
A drafting head of a drafting apparatus is mounted for to-and-fro movement in a predetermined direction. A flexible elongated rope is connected to the drafting head for exerting pull thereon to...
3604281 POSITIVE DRIVE VARIABLE SPEED DEVICE  
A positive drive, variable speed device in which a belt support is formed of an elongated strip, the strip being coilable to vary its diameter and having longitudinal edge portions and a central...
3405564 Pulley  
3245511 Apparatus for supporting elongated articles  
3090488 Filter belt regulating means and process  
3087349 Hydraulic adjustable peripheral hub and wheel combination  
3047113 V-belt transmission  
2827796 Expansible sprocket  
1003304 Title is not available  
0015559 Title is not available  
Matches 1 - 24 out of 24