Video cassette integral actuator/reel lock/spring
US5056735A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 1989 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Aug 4, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/08721
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An integral actuator/reel lock/spring for a video cassette is described, including: (a) a lock body having a first end and a second end, an inclined opening at the first end to receive a tape player/recorder pin, lateral wings, angled grooves and a lead in for a self-centering rib in the cassette base; and (b) a spring bar connected centrally at the second end of the lock body, the spring bar including a pawl and a lower dog leg combination formed at each end. The lock body is received in the cassette base in an area defined by: (a) a first, elongated, central portion having parallel side walls, between which is formed a self-centering rib; and (b) a pair of lateral, substantially triangular walled portions, each spaced from the central portion. The lock body fits substantially within the central portion with the wings extending above the parallel walls, the grooves resting on the parallel walls, the spring bar extending across the parallel walls, the pawls pivotably mounted against the lateral portions and the dog legs underlaying the reels. In the "locked" position, the biasing spring bar normally urges the lock body inward in the central portion. The pawls contact by ratchet act…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.