Slide cover type changeable key plug padlock
US4241594A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 4, 1979 |
| Grant date | Dec 30, 1980 |
| Priority date | — |
| Expiry date | Sep 4, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/765
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A changeable plug exposed shackle padlock comprising a padlock casing and a U-shaped shackle having legs with locking notches interfitting in sockets in the upper end of the casing. A key lock plug is removably received in a plug cavity in the casing and an elongated slideway cavity overlying the plug cavity extends through one end of the padlock casing outwardly adjacent the socket for the shorter leg and receives a reciprocative slidable cover member in its upper portion extending in covering relation over the plug cavity with a hole for the shorter shackle leg registering with the socket for that shackle leg when said slide member is in covering relation to the plug cavity. A slidable bolt plate member is guided for longitudinal sliding movement between locking and release positions in the lower portion of the slideway and has locking shoulders engageable in the locking notches of the shackle legs as is driven from the key lock plug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.