NON REMOVABLE KNOB TRIM
    1.
    发明专利

    公开(公告)号:CA966170A

    公开(公告)日:1975-04-15

    申请号:CA149174

    申请日:1972-08-10

    Abstract: A mortise type lock has outside and inside mounting plates held in place on opposite sides of the door by use of screws accessible from the inside only. A decorative rose covers the outside mounting plate and an internally threaded outside sleeve which engages an externally threaded inside sleeve, in turn fastened to the mounting plate, overlies the rose preventing removal. The shank of an outside knob surrounding a rotatable sleeve has an aperture into which extends a spring pressed knob retainer for holding the knob on the rotatable sleeve. When the knob and attached parts are mounted on the mortise type lock a central spindle shifts from a position permitting release of the knob retainer to a position extending into the knob retainer to block movement of the knob retainer and release of the knob.

    DEAD BOLT LATCH
    2.
    发明专利

    公开(公告)号:CA968003A

    公开(公告)日:1975-05-20

    申请号:CA153920

    申请日:1972-10-13

    Abstract: A dead bolt latch for a door has a cam action for extending the bolt, the cam having the form of a pivoted arm and rotated by the tail piece of lock device. The pivot axis is near one edge of a lock case extension and engages a cam opening in an actuating slide at the opposite side of the case extension. The actuating slide is attached to a latch bolt and shifts the latch bolt between extended and retracted positions when the cam is rotated.

    MORTISE LOCK RETRACT MECHANISM
    3.
    发明专利

    公开(公告)号:CA959088A

    公开(公告)日:1974-12-10

    申请号:CA149172

    申请日:1972-08-10

    Abstract: A thin casing adapted to fit in a recess between opposite faces of a door has a front plate mounted flush with the door edge through which extends a reciprocating latch bolt for engagement within an opening of a strike plate mounted upon the adjacent door frame. The latch bolt is spring urged into a normally extended position and is retracted by rotation of either an inside or an outside knob. Rotation of the knobs in either a clockwise or counterclockwise direction is transferred rotating one or the other of a pair of hubs mounted within the casing. Roll backs on the hubs engage a lever, one end of which is coupled to the latch bolt and the other end of which is pivotally mounted on the wall of the case. In one form of the device a lock is provided for blocking rotation of the outside knob, while the inside knob is free to withdraw the latch bolt. Openings in the casing on opposite sides of the hubs accomodate threaded sleeves and screws for fastening the knobs in place.

    Cylinder plug retainer for padlock
    7.
    发明授权
    Cylinder plug retainer for padlock 失效
    气缸保护套

    公开(公告)号:US3626729A

    公开(公告)日:1971-12-14

    申请号:US3626729D

    申请日:1970-08-17

    Abstract: A PADLOCK BODY CONSTRUCTED OF MULTIPLE LAMINATIONS HAS A CHAMBER OCCUPIED BY A PIN TUMBLER LOCK FOR LOCKING AND UNLOCKING A SHACKLE. INWARDLY FACING NOTCHES IN RESPECTIVE LONG AND SHORT LEGS OF THE SHACKLE ARE ENGAGED BY LOCKING LUGS OF A LOCKING PLATE WHICH IS ROTATED TO LOCKED POSITION BY AN EXTENSION ON A ROTATING CYLINDER PLUG IN THE LOCK. THE EXTENSION PROTRUDES THROUGH AN OPENING IN THE LOCKING PLATE AND OPPOSITE OUTWARDLY FACING UNDERCUT SEGMENTS OF THE CYLINDER PLUG OVERLIE THE LOCKING PLATE TO HOLD THE PIN TUMBLER LOCK IN THE CHAMBER. STOPS RESPECTIVELY ON THE CYLINDER PLUG PREVENT ROTATION OF THE CYLINDER PLUG TO A POSITION OF POTENTIAL DISENGAGEMENT WHEN THEY ENGAGE IN ONE DIRECTION SHOULDERS FORMED IN THE OPENING IN THE CYLINDER PLUG AND IN THE OPPOSITE DIRECTION A SHOULDER FORMING PART OF ONE OF THE END LAMINATIONS.

    INCREMENTAL DEAD BOLT LATCH
    9.
    发明专利

    公开(公告)号:CA959519A

    公开(公告)日:1974-12-17

    申请号:CA149173

    申请日:1972-08-10

    Abstract: A dead bolt latch for a door has a rotating cam lever action for extending the bolt into a strike plate recess in the door frame. The cam has the form of a pivoted arm and is rotated by the tail piece of a lock device. The pivot axis is near one edge of a lock case and engages a cam opening in an actuator slide at the opposite side of the latch case, the actuator slide being attached to the latch bolt. A series of stepped shoulders on the cam lever serve as blockers to prevent retraction of the actuator slide by pressure against the latch bolt so that the latch bolt can be locked in any one of several extended positions and need not occupy a fully extended position to be assured of there being no unauthorized retraction which might otherwise be possible with a partially extended latch bolt.

Patent Agency Ranking