Quick release cover

Details Quick release cover Quick release cover

1986-06-10

1987-10-20

Wilson, Neill

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Headed fastener element with nut, washer, securing means or cap

Cap over the head

411404, 411431, F16B 1900, F16B 3300

Patent

active

047010894

ABSTRACT:
A cover for covering closure plugs and openings and the like comprises a generally circular plate with axially positioned and extending latching fingers for engaging the corners of intersecting walls of a tool cross slot upon rotation of the cover for releasably retaining the cover in place over the plug.

REFERENCES:
patent: D136659 (1943-11-01), Janning et al.
patent: 915068 (1909-03-01), Bowen
patent: 1446988 (1923-02-01), Osburn
patent: 1945707 (1934-02-01), Sharp
patent: 1997203 (1935-04-01), Shera
patent: 2140449 (1938-12-01), Brown
patent: 2363665 (1944-11-01), George
patent: 2627778 (1953-02-01), Hodell
patent: 3888144 (1975-06-01), Parsons
patent: 4136796 (1979-01-01), Pubas et al.

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