Locks – Special application – For control and machine elements
Reexamination Certificate
2007-02-20
2007-02-20
Gall, Lloyd A. (Department: 3676)
Locks
Special application
For control and machine elements
C070S422000, C292S169220, C292S336300, C292S352000, C292S358000, C292SDIG061
Reexamination Certificate
active
11383635
ABSTRACT:
A mortise lock includes a chassis, a handle assembly mounted to a side of the chassis, a sleeve, and a trim for returning the handle assembly. The handle assembly includes a spindle and a handle. An end of the sleeve is securely mounted around an end of the spindle to turn therewith. The other end of the sleeve receives the other end of the spindle and is securely connected to the handle. The trim includes a spring seat, a ring received in the spring seat and mounted around the sleeve, and a spring mounted on a side of the ring. The spring seat includes a plate mounted around the sleeve. A protrusion is formed on an inner periphery of the body and engaged in a longitudinal groove in the sleeve. Two ends of the spring respectively abut against two sides of a leg extending from the ring.
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Shen Mu-Lin
Tiem Roger
Gall Lloyd A.
I-Tek Metal Mfg. Co., Ltd.
Kamrath Alan D.
Nikolai & Mersereau , P.A.
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