Self-locking cable trolley
US4051798A · kind A · utility
2Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1976 |
| Grant date | Oct 4, 1977 |
| Priority date | — |
| Expiry date | Apr 13, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H9/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A self-locking cable trolley having a body member which guidingly receives a cable on which the body member rides and a length of working line that permits control of the body member on the cable. Disposed on the body member is a lock device which grips the supporting cable when the working line is manipulated in a predetermined manner so as to cooperate with a control surface also provided on the body member and swing the lock device into engagement with the cable in order to selectively retain the body member of the trolley at a desired location on the cable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.