Patent · US Expired

Interlock mechanism

US6634439B2 · kind B2 · utility

50Cited by
12References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 16, 2001
Grant dateOct 21, 2003
Priority date
Expiry dateAug 4, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25F3/00
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An interlock mechanism for a power tool is provided to releasably couple first and second portions of the power tool. The mechanism includes a spring normally biased into a closed position and an actuator enabling the spring to be moved to an open position. The actuator has a spring-engaging surface formed from several individual surfaces which are non coplanar.

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