Title: Detent device for locking the lid of a cassette receiving compartment of a tape recorder

Abstract: A device for locking the lid of a cassette tape receiving compartment of a cassette tape recorder including a lock member projecting from a portion of the lid and a generally U-shaped lock spring provided at one end of one leg thereof with a first projection engaging the lock member of the lid during opening and closing thereof. A second projection on the one leg of the lock spring engages against a ledge formed in the recorder casing in order to modify the spring force applied by the lock spring against the lid.

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Inventors: Nakao, Toshihiro (Hachioji, JP)

Application Number: 819573
Filing Date: 1977-07-27
Publication_date: 1979-02-06
Assignee: Olympus Optical Company Limited (Tokyo, JP)
Primary Class(es): 292/76 292/341.12, 292/341.15, 292/DIG38
Other Classes:
US Patent Ref:

1068899	Jul, 1913	Hepburn	292/76.
1479398	Jan, 1924	Ollard	292/341.
1581693	Apr, 1926	Seeholzer	292/76.
1896363	Feb, 1933	Johnson	292/341.
3038747	Jun, 1962	Rapata	292/DIG.
3151899	Oct, 1964	Kelley	292/DIG.
3797870	Mar, 1974	Beckman	292/DIG.

Other Refs: 2340588201111

Feb, 1975	DE
Jan, 1966	SE

Primary Examiner: Frazier, Roy D.
Assistant Examiner: Lyddane, William E.
Attorney: Toren, McGeady and Stanger