Magnetic tape cassette device to limit movement of the cassette
US4945431A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 17, 1988 |
| Grant date | Jul 31, 1990 |
| Priority date | — |
| Expiry date | May 17, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B15/67555
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a magnetic tape cassette device in which a cassette (2) containing the magnetic tape can be introduced into a cassette tray and can rest, loosely held, in the cassette tray (1) before or after the moving of an operating lever (13) which can move with the cassette housing during introduction, the operating lever (13) interacting with a tappet (29), which in the introduction position of the cassette pushes against the latter in order that it may be hindered from free movements in the cassette tray (1). The tappet lever (23) is designed as a double-armed swivel part (23), the tappet (29) being provided at a free end (28) of a first swivel arm (24) of the swivel part (23) and the connection to the operating lever (13) being provided at the end of a second swivel arm (25) of this swivel part (23). The connection with the operating lever is either direct or via an over-center helper spring (125), which moves the operating lever (13) automatically into an end position in each case after passing beyond the top dead center.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.