Externally mounted multiple cam action lock for telescoping tubes
US4154545A · kind A · utility
36Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1978 |
| Grant date | May 15, 1979 |
| Priority date | — |
| Expiry date | Jul 21, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7009
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention comprises an externally mounted locking mechanism for telescoping tubes that permits releasable adjustment of the tubes to any telescoping position relative to each other and utilizes multiple cam action locking means operating both longitudinally and circumferentially relative to the tubes. Two preferred embodiments are disclosed, a two-piece structure and a three-piece structure, both of which are preferably molded from a plastic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.