Door lock for handicapped persons
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 25, 1997
Grant Date -
N/A
app pub date -
Jul 8, 1994
filing date -
Apr 21, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A door lock which does not decrease the strength of an outer end portion of the outside rotary shaft includes an inside lever handle and an outside lever handle which are attached to a lock body assembled into the door, and a retracting operation of a latch bolt of a latch arranged on latch shaft perpendicular to a handle shaft is carried out by rotation of an inside or an outside rotary shaft of the lock body. A cut portion for drive opposite to a slot of an enlarged portion is formed at an inner circumferential wall of a tubular fitting portion of the outside lever handle, and that left and right cover portions in a projection form of an outer tube of the cylinder lock are respectively fitted over the cut portion for drive and the slot through left and right cut portions of the outside rotary shaft.
First Claim
Family
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Cited Art Landscape
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