Closure fasteners – Knobs
Patent
1978-08-03
1980-12-16
Moore, Richard E.
Closure fasteners
Knobs
292 1, E05C 2100
Patent
active
042392705
ABSTRACT:
The operating rod of an automotive door lock is provided with a connector member which, in turn, is engaged by a knob having a cavity to receive the connector member. The outside dimensions of the knob are larger than the aperture in the casing, thus preventing the knob from being depressed. The cavity in the knob is sufficiently large to permit the connector member and thus, the rod, to be in its advanced, or unlocked position, while remaining entirely within the knob. This arrangement permits one to pull upwardly on the knob thereby unlocking the door, but prevents one from manually depressing the knob or the connector member and thus, the rod, to thereby lock the door. A car key, however, can be inserted through the top of the cavity to urge the connector member and the rod to the retracted, locked position.
REFERENCES:
patent: 2874988 (1959-02-01), Sage et al.
patent: 3247691 (1966-04-01), Martin
patent: 3623758 (1971-11-01), Trinca
patent: 3999788 (1976-12-01), Livingston
patent: 4098529 (1978-07-01), Bingham
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