Padlock with removable top closure
US4158952A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1978 |
| Grant date | Jun 26, 1979 |
| Priority date | — |
| Expiry date | Jul 14, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7638
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A padlock of the type having a removable locking plug or cylinder capable of being removed from the top through a top opening in the lock case, also has a cap for the top opening. This cap is locked into the padlock case by a loose ball fitting in a groove in the cap and in the case. This cap locking ball is in addition to two other conventional locking balls used to lock the shackle in one conventional type padlock. The shackle is retained by another ball which is carried by a shackle leg and cooperates with another groove in the case. The shackle locking ball is placed in or out of locking position by adjustment of a set screw in the shackle leg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.