Locks – Parts – attachments – accessories and adjuncts – Condition indicators
Patent
1984-05-15
1988-02-23
Grosz, Alexander
Locks
Parts, attachments, accessories and adjuncts
Condition indicators
109 38, 109 44, 109 51, 109 53R, 109 53T, 70DIG49, E05G 104, E05B 1700
Patent
active
047262060
ABSTRACT:
A lock comprising a hollow cylindrical seat, a cylindrical lock body for insertion into the seat and having a cavity in its exterior surface to accommodate a sphere therein, a screw hood for screwing onto the lock body, the hood having a plurality of cavities on its interior surface to accommodate the sphere, and a cylindrical lock barrel for insertion into the lock body and having a conical recession for accommodating the sphere to permit removal of the lock barrel and for pushing the sphere into the cavity in the screw hood to prevent removal of the lock barrel from the lock body.
REFERENCES:
patent: 402590 (1889-05-01), Hall
patent: 793132 (1905-06-01), Hibbard
patent: 1919647 (1933-07-01), Belknap
patent: 2011944 (1935-08-01), Lodispoto
patent: 2669198 (1954-02-01), Campbell
patent: 3143983 (1964-08-01), Maynard
patent: 3316742 (1967-05-01), Wellekens
patent: 3415086 (1968-12-01), Trainor
patent: 4029919 (1977-06-01), Lumme
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patent: 4078405 (1978-03-01), Steinbach
patent: 4205542 (1980-06-01), Renda
patent: 4233913 (1980-11-01), Herrmann
patent: 4262506 (1981-04-01), Tobel
patent: 4284014 (1981-08-01), Kuhn
patent: 4328691 (1982-05-01), Scherbing
patent: 4328692 (1982-05-01), Dice et al.
Grosz Alexander
Luong Vinh
LandOfFree
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