Closure fasteners – Operators with knobs or handles
Patent
1985-02-07
1986-11-11
Moore, Richard E.
Closure fasteners
Operators with knobs or handles
292DIG25, 292174, 292166, E05C 116, E05C 1306
Patent
active
046218483
ABSTRACT:
The portable door opening device comprises an elongated tubular member having an integral hook like means above the center of the tubular member. At the lower end of the tubular member is positioned a foot pedal member when operated by foot pressure in a down vertical motion causes a clamping collar or door knob grip to rotate and releases a conventional door latch mechanism.
REFERENCES:
patent: 283770 (1883-08-01), Geiger
patent: 584588 (1897-06-01), Headland
patent: 831584 (1906-09-01), Vincent
patent: 918730 (1909-04-01), Bronson
patent: 1084830 (1914-01-01), Tate et al.
patent: 1172205 (1916-02-01), Gillentine
patent: 1552462 (1925-09-01), Bailey
patent: 1583818 (1926-05-01), White
patent: 2741504 (1956-04-01), Dale
patent: 3575453 (1971-04-01), Hohl
patent: 4504087 (1985-03-01), Pennington
McCarter Lowell H.
Moore Richard E.
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