Coiled edge guide for rod-tube signal device and method
US3965849A · kind A · utility
14Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 17, 1975 |
| Grant date | Jun 29, 1976 |
| Priority date | — |
| Expiry date | Mar 17, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49918
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A biased rod-tube visual indicator is restrained by a fusible binder. At a selected temperature, the binder will release the rod to an extended position. A reverse spiral coil is provided at the top inner edge of the tube to guide the indicating rod to its extended position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.