Resources Contact Us Home
Continuously variable transmission

Image Number 2 for United States Patent #5129272.

A variable speed transmission transmits power between an input and output in which a pinion gear, a rotor and a cam are mounted for relative rotation therebetween. First and second gear rack pairs have opposite facing toothed gear racks which are spaced apart sufficiently to receive the pinion gear and cam therebetween when the pinion gear engages at least one of the gear racks, and an outer surface of the cam is adjacent at least one of the gear racks. Structure is provided to prevent contact between the rack teeth and the outer surface of the cam. First and second rack supports support the rack pairs against lateral movement to ensure full engagement between the pinion and sequentially engaged racks. The rack supports slidingly engage the rotor to transmit power therebetween in such a manner that a resultant force vector from contact between the pinion gear and gear rack passes closely adjacent a point of contact between a rack support and the rotor. Teeth of the gears have inclined tooth tip end faces to facilitate meshing.

  Recently Added Patents
Semiconductor device and manufacturing method thereof
Methods and systems for temporarily sharing position data between mobile-device users
Systems and methods for port mirroring with network-scoped connection-oriented sink
Grid computing accounting and statistics management system
Determination method for a reinitialization of a temporal sequence of fluoroscopic images of an examination region of an examination object
Gas sensor with a porous layer that detectably affects a surface lattice resonant condition of a nanoparticle array
Turbulence sensor and blade condition sensor system
  Randomly Featured Patents
Container for photosensitive material
High-strength porous film and process for producing the same
Display system, display device, display program, display method, and computer-readable storage memory containing the display program
Coupling arrangement for reciprocating piston engine
Communicating messages over transient connections in a peer-to-peer network
Speech synthesizer using shift register sequence generator
Alternator winding
Method for handling communications over a non-permanent communication link
Unit for inspecting a surface
Cooking grill