Closure fasteners – Latch-spindle catches
Patent
1989-04-19
1990-10-30
Moore, Richard E.
Closure fasteners
Latch-spindle catches
E05C 2100
Patent
active
049663992
ABSTRACT:
A cylindrical lock comprising two limit plates, whose movement can control the outside knob and the inside knob both unturnable or the outside knob unturnable but the inside knob turnable.
REFERENCES:
patent: 3035432 (1962-05-01), De Vines
patent: 3556576 (1971-01-01), Nelson et al.
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