Anti-pilferage locking device
US3933384A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1974 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | Oct 7, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/323
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An anti-pilferage locking device for securing two confronting edges of an outer door structure in a railway car against longitudinal relative movement having a hasp pivotally secured to the outer surface of the car door structure adjacent to one of the confronting edges, a keeper secured to the outer surface of the car adjacent the opposite confronting edge of the car door structure, a cam vertically spaced from the keeper and pivotally secured to the outer surface adjacent said opposite confronting edge and above said keeper, and an anti-pilferage sealing means connecting with the cam and the keeper and trapping the hasp, the lower horizontal edge of the cam being flat at one end and curved at the other to control cam rotation relative to the hasp, the keeper having an outer vertical lip entrapping the hasp which entraps said lower edge of the cam; whereby, the hasp is receivably entrained on the keeper, the cam limits vertical movement of the hasp, and the sealing means is cooperatively received through the cam and keeper to sealingly secure the hasp on the keeper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.