Patent · US Expired

Combination lock

US4845968A · kind A · utility

1Cited by
5References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 2, 1988
Grant dateJul 11, 1989
Priority date
Expiry dateFeb 2, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/8324
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A combination lock including a shaft with number wheels sleeved thereon, a governing plate having holes for respectively receiving the number wheels, two shaft mountings for respectively mounting thereon two ends of the shaft, and a lock housing securing thereon the two shaft mountings, and is characterized by integrally forming the two shaft mountings and the lock housing.

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