Locks – Parts – attachments – accessories and adjuncts – For key-operated mechanism
Patent
1979-01-09
1981-04-07
Wolfe, Robert L.
Locks
Parts, attachments, accessories and adjuncts
For key-operated mechanism
A44B 1500
Patent
active
042598575
ABSTRACT:
A key retaining loop to be removably inserted in a key case is disclosed, the improvement consisting in the provision, on the legs of the openable loop, of wings, engaging snappingly a recess formed in a sleeve to be fastened to the key case. An alternative embodiment has the legs of the loop screw-threaded for engaging the internal tapping of the sleeve aforesaid.
Simplicity and reliability of use are thus achieved.
REFERENCES:
patent: 1742915 (1930-01-01), Ingersoll
patent: 2093326 (1937-09-01), Legat
Valextra S.p.A.
Wolfe Robert L.
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