Patent · US Active

Anti-backlash device and method

US10738865B2 · kind B2 · utility

1Cited by
13References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 2019
Grant dateAug 11, 2020
Priority date
Expiry dateAug 27, 2039

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2025/2481
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An anti-backlash device for preventing backlash derived from a moving load on a screw used in converting rotary motion into linear motion, the anti-backlash device comprising: a cylindrical pressure actuator integrally formed with a helical thread and axially mounted on the screw; a cradle integrally formed with a helical thread and internal cradle threads, the cradle being mounted exterior to and in mechanical contact with both the cylindrical pressure actuator and the screw, and a preloading means comprising a wave spring and a retainer mounted in the cradle.

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