Patent · US Expired

Speed converter with reversed output

US5600999A · kind A · utility

16Cited by
1References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 6, 1994
Grant dateFeb 11, 1997
Priority date
Expiry dateOct 6, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/1518
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

Method and apparatus for translating a rotary input to a rotary output, the apparatus having a primary cam for providing a rotary input in a first direction, a secondary cam having a plurality of cycles, each cycle subtending a cycle angle of .theta., an intermediate member, the intermediate member having a plurality of radial slots, the slots separated from each other by a slot angle of .beta., where .beta.<.theta., the slots being for receipt of respective interacting elements, wherein the primary cam has a rise side and a fall side and wherein each secondary cam cycle has a clockwise side and a counterclockwise side, and wherein the slot angle locates the slots such that the rise side of the primary cam interacts with the counterclockwise side of the secondary cam cycles, the primary and secondary cams for mounting on a common axis with the intermediate member and the cams and member interacting to provide a rotary output in a direction opposite to the first direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.