Patent · US Expired

Rotary-to-linear actuator

US6170346A · kind A · utility

0Cited by
12References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 1999
Grant dateJan 9, 2001
Priority date
Expiry dateJun 2, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/18744
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A rotary-to-linear actuator includes a threaded rigid shaft, and a collar engaging the threads. The collar is formed from a low friction material reinforced by successive layers of parallel filaments. The filaments are oriented to lie across the outwardly convex projecting faces of the shaft threads.

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