Abstract: A door latch locking guard 30 is provided for maintaining a door in a locked position. A door latch 10 has an existing stationary latch arm 12 and the door jam has an existing swinging arm 14 for engaging the latch arm 12 to lock the door. The present invention provides a protective locking guard 30 having a notch 38 formed therein for placing over the stationary latch arm 12, and the protective locking guard 30 also has a plate 32 for moving the existing swinging arm 14 over the plate 32. A locking clasp 40 is provided for inserting through an opening 36 in plate 32 in order to prevent the door latch 10 from being opened from the opposite side of the door.

Abstract: A security latch for a swing bar door guard having a break away rotatable cross-member to further secure the swing bar so as to permit a minimal gap between the door and doorway when the door is opened while the cross-member extends through the swing bar retaining arm passage and is rotated lengthwise across the span to secure the swing bar. The minimal gap inhibits the introduction of a tool into the span along the midsection of the swing bar that could be used to pry the swing bar members apart to release the knob of a swing bar retaining arm.

Abstract: A security lock has first and second components with first base and extension flanges. The first extension flange extends perpendicular from the first base flange, and has a button extending from the first extension flange opposite the base. The second component has second base and extension flanges. The second extension flange extends hingedly from the second base flange, and has a longitudinal central slot extending therefrom for receiving the button. An apparatus for locking first and second extension flanges relative to one another and lock a door in at least two partially opened positions relative to a corresponding door jam.

Abstract: Disclosed herein is a locking device of a hinged door. The locking device of the hinged door according to the present invention comprises a trapping part and a fixing part selectively mounted on the hinged door and a door frame and slidly trapped mutually to open the hinged door only at regular intervals. The fixing part comprises a bracket and a clamp rotatably coupled to the bracket. A clamp is partly moved up and down by coupling a trapping means to a keyway connected to a hinge of the bracket. The clamp is supported toward upper parts to maintain a trapping state of the trapping means at the keyway and then limiting a rotation of the clamp. If the trapping means leaves the keyway by a pressure of the hinge of the bracket, the clamp is rotated at the bracket.

Abstract: A door bolt is constructed to include a jam plate fixedly fastened to a doorjamb, and a doorplate assembly installed in the free end of a door panel and adapted to secure the free end of the door panel to the jamb plate, the doorplate assembly having a lock cylinder controlled by a key to move a movable frame bar in a fixed locating frame bar and to further move two locking straps relative to each other between a first position where the doorplate assembly is prohibited from escaping out of the constraint of the jamb plate and a second position where the doorplate assembly is released from the constraint of the jamb plate.

Abstract: This support arm assembly for connection between a safe's lid and base includes a bracket for connection to the base and a linear support arm that connects between the bracket and lid. The bracket includes a side face adapted for connection to the inside of the base. An upward facing side of the bracket includes a linear slot that is parallel to the side of the safe when the bracket is mounted. The support arm has a generally flat planar configuration that is adapted for placement through the slot transverse to the upward facing side of the bracket. The support arm has an upper end pivotally connected to the lid and a lower end having a bend that prevents it from being withdrawn from the slot. The lower end also has an abrupt notch adjacent the bend that is adapted to interlock with the slot to hold the lid open.

Abstract: An improved locking device for adjustable garment racks including an inner tube slidable in and out from an outer tube. The improved locking device includes a sleeve having a simplified locking tab for engaging and locking the inner tube in a position relative to the outer tube and a touch tab by which an operator may easily and safely manipulate the sleeve to an unlocked position for adjustment of the inner tube relative to the outer tube and again lock the inner/outer tube combination.

Abstract: An electromechanical locking mechanism for door leaves whose holding force can be adjusted continuously and which at the same time offers the possibility, when the locking mechanism is energized, of also releasing the closed door from and returning it to the locked position.

Abstract: A door lock that has a locking member which cooperates with a latching mechanism to secure a door in a closed position. The locking member also cooperates with a U-shaped plate to limit the movement of the door in a partially opened position. The locking member is attached to the door. The U-shaped plate and latching mechanism are coupled to a wall by a mounting bracket and a hinge. The hinge has an inner sleeve that is attached to a hinge pin and a rotatable outer sleeve which has a slot and a spring loaded button. The spring loaded button can cooperate with a notch in the inner sleeve to lock the position of the outer sleeve. When the door is closed, the locking member rotates the outer sleeve until the button is captured by the notch of the inner sleeve. The slot of the outer sleeve captures the locking member and prevents the door from being opened until the button is released from the inner sleeve notch.

Abstract: A door lock assembly of the type for use with sliding doors, windows or the like for securing a moveable member relative to a stationary member, the assembly including an elongated bar member adapted to be attached at one end to a support frame mounting the moveable and stationary members and having at its opposite end a selectively operable latch mechanism adapted to coact with the moveable member so as to selectively lock and unlock such moveable member relative to the stationary member.

Abstract: A door hold-open device is adapted to work with a conventional single-arm door closer. The device comprises a shoe moving along a track and connected to the closer operating arm. A detent in the form of a wheel is provided in the track which can be lowered through linkages by a solenoid to engage the shoe. Spring pressure on the detent can be adjusted in the field. The detent holds the shoe at one end of the track so that the door is held open. But the door can be forcibly closed causing the shoe to raise the detent, or the solenoid can be deactivated to raise the detent.

Abstract: An auxiliary locking mechanism for a bag or a case especially an attache case, a cupboard etc. having a rigid body and lid for opening and closing the body. The auxiliary locking mechanism provided restricts or limits the opening of the lid at a position particularly when the case is vertical so as to prevent spilling of articles contained in the case due to inadvertent opening of the lid. However, the auxiliary locking mechanism releases the lid when the case is in the horizontal position to allow the lid to open completely.

Abstract: A door check of the swingable slotted hasp type provides two extents of opening, utilizing a broader width of slot which continues outward in a slot of narrower width. Two different depths of slide member are provided. In one embodiment these are spaced axially along a horizontal projection from a housing on the door. In another, the slide is oblong, and is rotatable through 90.degree. to present the two different depths.

Abstract: A first stationary flange is supported from the free swinging edge of a door and projects outwardly of the opening side of the door. A second pivoted flange is mounted from the doorjamb opposing the stationary flange and is swingable, about an axis generally paralleling the axis of pivotal movement of the door, between an operative position paralleling and closely opposing the stationary flange and a retracted position disposed normal to and projecting away from the stationary flange. The stationary flange includes a stop pin projecting toward the second flange and the latter includes openings spaced therealong in which the pin may be selectively engaged to lock the door against swinging movement. The pin is retractable away from the pivoted flange and the latter is mounted for limited shifting along its pivot axis.

Abstract: The present invention is directed to a doorcatch which performs the function of a safety chain for a door and includes a catch part. The catch part is connected to the doorframe and cooperates with a guide on a latch which is connected to the door. Both the catch part and the latch of the present invention are rotatable on horizontal axes. Further, the latch is free for movement up and down and is turnably attached to the door. In addition, the latch includes an axis or spindle arranged at such a level above an axis or spindle of the catch part and is mounted at a right-angled distance between the mounting plate of the catch part such that when the door is closed the parts which cooperate with the guide of the catch part automatically come into a notch. In this manner the catch part cooperates with the guide to automatically force the catch to a locked position when the door is closed either from the inside or from the outside.

Abstract: Door holder is adapted to work with conventional door closer. Holder comprises a shoe moving along a track and connected to the closer operating arm. A latch, when device is activated, holds shoe with door in open condition. Latch is attached to a frame near the track and which may be moved away from latching engagement with shoe either by forcible closing of the door manually or by de-activating closer.

Abstract: A safety door fastening is disclosed, comprising a rigid retaining member pivotably attached to the door frame and a catch member attached to the door and having a terminal member adapted for sliding in a longitudinal space in the retaining member, to retain the latter and limit the angle of opening of the door, the retaining member having resilient means biasing it against the inner face of the door. It is possible to operate the catch member from the outside to disengage it from the retaining member.

Abstract: The present invention is directed to a doorcatch which performs the function of a safety chain for a door and includes a catch part. The catch part is connected to the doorframe and cooperates with a guide on a latch which is connected to the door. Both the catch part and the latch of the present invention are rotatable on horizontal axes. Further, the latch is free for movement up and down and is turnably attached to the door. In addition, the latch includes an axis or sprindle arranged at such a level above an axis or spindle of the catch part and is mounted at a right-angled distance between the mounting plate of the catch part such that when the door is closed the parts which cooperate with the guide of the catch part automatically cam into a notch. In this manner the catch part cooperates with the guide to automatically force the catch to a locked position when the door is closed either from the inside or from the outside.

Abstract: The hinged strap of a hasp assembly is mounted on the inside surface of a door near its opening edge, which strap is swingable between a position in the path of the door to allow it to be opened a limited distance and a position retracted out of the door-opening path. The door can be maintained in limited opening position by engagement of the hasp strap with a pivotable bar of a keeper assembly attached to the door frame. With the strap in the door-opening position rotated out of the path of the door, the pivotable bar can be rotated from the position in which it engages the strap for allowing the door to be opened a limited amount to a position in the path of the door to block any opening movement.