Cassette tape recorder having impact absorbing mechanism for cov

Details Cassette tape recorder having impact absorbing mechanism for cov Cassette tape recorder having impact absorbing mechanism for cov

1975-12-23

1977-12-06

Gilliam, Paul R.

Supports: cabinet structure

Disappearing-instrument type

On swingable link or linkage

312276, 312319, A47B 8100

Patent

active

040613780

ABSTRACT:
In a tape recorder having an opening for accommodating a tape-containing cassette, a spring-loaded cover plate pivotally disposed over the opening to prevent intrusion of dust thereinto and a latch for locking the cover in a closed position, a fluid pressure mechanism is provided having a pair of mutually telescoping elements coupled between the cover plate and the recorder housing. One of the elements has a packing groove and a resilient elastic composition packing ring of normally circular cross section seated in the groove, the packing ring having an exterior periphery greater in circumference than the circumference of the bore of the other element so that the ring is compressed in the groove as the telescoping elements are in slidable contact with each other. One of the elements is provided with an air vent passage of a selected cross-sectional dimension through which the air inside the bore is allowed to escape when the telescoping elements move toward each other to absorb the impact acted upon the cover plate when the latch is released.

REFERENCES:
patent: 448889 (1891-03-01), Seely
patent: 1969305 (1934-08-01), Hunter
patent: 2304490 (1942-12-01), Yoder
patent: 2537363 (1951-01-01), Minor
patent: 2689775 (1954-09-01), Wolters
patent: 2799550 (1957-07-01), Rataiczak
patent: 2902327 (1959-09-01), Larsen
patent: 3055724 (1962-09-01), Mazure
patent: 3195969 (1965-07-01), Wallen
patent: 3466383 (1969-09-01), Decker
patent: 3931961 (1976-01-01), Fader et al.

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