Protecting and sealing cap

Details Protecting and sealing cap Protecting and sealing cap

1986-04-17

1987-06-30

Wolfe, Robert L.

Locks

Parts, attachments, accessories and adjuncts

Condition indicators

70 50, 70455, E05B 3902

Patent

active

046760849

ABSTRACT:
Protecting and sealing cap for the open end of a ferrule, such as a ferrule at the key receiving end of a lock, with a pair of opposed openings through the wall thereof. The cap is cup-shaped with a tubular wall for encircling the ferrule and an end wall at one end of the tubular wall. A stem projects from the end wall toward the opposite end of the tubular wall and engages with a retainer inserted through the ferrule openings so that the cap cannot be removed without fracturing the cap or the retainer. Several stem, cap and retainer configurations are disclosed, and the retainer may be secured to the cap by a flexible cord.

REFERENCES:
patent: 1659433 (1928-02-01), Kroll
patent: 1887557 (1932-11-01), Keidl
patent: 2033371 (1936-03-01), Benaggio
patent: 2319753 (1943-05-01), Smith
patent: 3572063 (1971-03-01), Foote
patent: 3714802 (1973-02-01), Morse
patent: 3863468 (1975-02-01), Bach
patent: 4276988 (1981-07-01), Kimm
patent: 4286640 (1981-09-01), Knox
patent: 4428211 (1984-01-01), Hermann

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