Patent · US Expired

Cam-type door lock with recessed handle

US4134281A · kind A · utility

65Cited by
4References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 8, 1977
Grant dateJan 16, 1979
Priority date
Expiry dateAug 8, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/1092
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A door lock, particularly well suited for releasably retaining a pivotally mounted truck door in a closed position, includes a shaft and its operating means mounted on the door, and a pair of keeper members mounted on the door frame. A pair of cam members are secured to opposite end regions of the shaft. The shaft has a central portion which projects through openings formed in opposite sides of a pan-shaped housing. A handle is secured to the central portion for rotating the shaft to bring the cam members into and out of latching engagement with the keeper members. The handle is moveable between a nested position wherein the handle is nested within a recess defined by the pan-shaped housing, and a projecting position wherein the handle projects forwardly from the recess. A latch mechanism is carried by the housing and includes a latch member mounted for pivotal movement between latched and unlatched positions. The latch member is operable to engage and releasably restrain the handle from moving out of its nested position. A key-operated lock cylinder is carried by the handle, and has a lock member which is movable between locked and unlocked positions as a key is turned in the lock…

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