Abstract: A display case including a frame with a first fastener, a door with a second fastener, and a bracket coupling the door to the frame is described. The bracket has a first end coupled a second end. The first end is pivotably coupled to the frame by the first fastener. The first end includes a first pair of spring arms having a first slot to couple to the first fastener and to allow the door to pivot between open and closed positions. The second end is slideably coupled to the door by the second fastener. The second end has detents on a second pair of spring arms and a second slot to allow the second fastener of the door to slide as the door is pivoted between open and closed positions. A first detent is positioned further from the first end of the bracket than a second detent.

Abstract: The present invention relates to a door system for a refrigeration device and a refrigeration device with such a door system.

Abstract: Methods and apparatus for using a look on a door lever handle are disclosed. The lock includes a base configured to mount the lock to a door having a lever handle and a lever handle guard pivotally attached to the base, the lever handle guard being pivotable between a locking position and a non-locking position. The lever handle guard is securable in the non-locking position. The lever handle guard includes first and second guard portions arranged to prevent rotation of the lever handle when the lever handle guard is in the locking position. When the lever handle guard is secured in the non-locking position, the first and second guard portions are arranged to permit rotation of the lever handle without contacting the first and second guard portions.

Abstract: A floatable structure is described having a hull and a deck. The floatable structure further includes a mooring system for mooring a second floating structure at a mooring position relative to the floatable structure. The mooring system brings the second floating structure down in the water from an initial floating draft to a larger mooring draft to reduce motions of the second floating structure relative to the floatable structure. A method for mooring a second floating structure using the mooring system is also described.

Abstract: An apparatus for opening and closing an engine hood for a construction machine is disclosed that can open an engine hood at an angle desired by an operator. The apparatus for opening and closing an engine hood includes a frame having one side fixed to an upper swing structure and the other side fixed to a cowl frame, a guide rail having a guide groove formed in a length direction and a plurality of seat portions formed to be cut so as to communicate in a downward direction with respect to the guide groove and maintaining an opening angle that is set to open the engine hood in multiple stages, and a stay rod having a free end slidably formed along the guide rail and a fixed end rotatably fixed to the engine hood.

Abstract: Apparatus for supporting a heat exchanger such as a condenser of an air conditioning system on a vehicle, for pivotal movement between an operational position and a position angularly related to the operational position, for such purposes as inspection, cleaning, service and maintenance, the apparatus being configured for holding the heat exchanger in the operational position, and for guiding and controlling movement thereof to the tilted position, and holding the heat exchanger in the tilted position.

Abstract: Exemplary embodiments of a security latch device comprises a security latching arm configured to move, pivot, swing or slide from a operative position, non-operative position or door-ajaring position and a security latching arm cover. The cover comprises a sleeve configured to conform to the security latching arm and to slip on or install on, over or around the security latching arm and being made of impact absorbing material to protect an impacted surface (e.g., a door's surface, door frame or door jamb) when the security latching arm is impacted by a door.

Abstract: A locking assembly for retaining a pair of shutters in a closed position on a dwelling, including an elongate backing bracket adapted to be fixedly mounted to the dwelling, the backing bracket including a pair of support portions extending laterally relative to the length of the backing bracket, and an outer locking portion. The shutters in their closed position are in abutting contact with the support portions, the outer locking portion extends through a gap defined between adjacent edges of the closed pair of shutters. The locking assembly further includes an elongate retention bracket having a channel in which the outer locking portion is received, and a pair of retention portions extending laterally relative to the length of the retention bracket, the outer locking portion adapted to be secured to the retention bracket within the channel.

Abstract: A system for temporally or permanently securing a removable window well cover or grid over a window well at, for example, a construction site is disclosed using adjustable mounts. The window well cover or grid may be pivoted open and closed without having to fully remove the window well cover from the opening of the window well. The adjustable mounts may include a grid sleeve unit slideably attached to the window well cover, and a lock keeper slideably mounted on the grid sleeve unit. In one aspect, the adjustable mounts include theft-deterring features that inhibit unauthorized removal of the window well cover from the window well.

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: A swing door cover prop device for an electric coupler used on passenger transit vehicle for providing a mechanism to prop open a bottom mount style swing cover disposed adjacent the bottom of such electric coupler. Such swing door cover prop device includes an elongated door prop member having a first end and a second end. There is a slot disposed adjacent such first end of the door prop member for engaging a latch bolt disposed on such swing cover. A mechanism is provided which is engageable with the second end of such door prop member for pivotably connecting such door prop member to a swing cover arm of such electric coupler. The final essential element is a spring disposed between such door prop member adjacent the second end thereof and such swing cover arm for exerting a positive pressure on such door prop member.

Abstract: A mechanism for selectively operating and locking a pivotal window. The window is pivotally attached to a window frame so as to pivot between open and closed configurations. The mechanism includes an actuating rod slidably mounted to the window frame. A guiding arm is pivotally mounted to the window frame. An actuating arm is pivotally attached to the actuating rod. The distal end of the actuating arm is attached to the window by attachment component allowing for angular compensation. The distal end of the guiding arm is pivotally attached to the actuating arm intermediate the longitudinal ends of the latter. A pin and slot arrangement allows for selective pivotal or locking action between the guiding and actuating arms depending on their relative pivotal relationship.

Abstract: A door stop apparatus holds a door in an open position. The door stop includes a first member mounting to the door and having a slot formed therein with a ramp portion located at one end of the slot. A link member pivotally mounts to a bracket on a door frame. A follower mounts to an end of the link and slides along the slot in the guide member. The follower slides up and over the ramp when slid along the slot in a first direction and engages an abrupt edge of the ramp when slid in the opposite direction.

Abstract: A door check apparatus comprises an elongated body having side walls defining a channel and an energy absorber. When the door check is mounted to a door, a pivot pin is inserted through an opening at the first end of the elongated body, and a slide pin extends through the channel. The pivot pin is attached to the door and the slide pin is attached to the structure adjacent to the door. As the door is opened, the elongated body moves relative to the slide pin to position the slide pin toward the second end portion of the elongated body. The slide pin may be positioned in any one of one or more stop positions which yieldably hold the slide pin. If the door is opened beyond its normal opening arc, the energy absorber is engaged and resists further movement of the door.

Abstract: A rod system device extending from its lock unit to a tensioning devicc of the door catch mechanism which takes up two positions is connected in the door catch mechanism with a pivotable unlocking hammer so that the door catch mechanism can be released from the drive rod locking mechanism. The door catch mechanism has an unlocking lever which, when engaged with a bolt element, is ready for contact opposite a trigger element of the tensioning device so that following the unlocking of a bar/drive rod locking unit with the lock unit, the bolt element can be moved from the engagement position to a release position by deflection of the unlocking hammer.

Abstract: The invention relates to a security device for doors or windows for foiling unwanted entry into a secured facility comprising a limited rotational vertical rod having a plurality of parallel horizontal rods extending from said vertical rod. The parallel horizontal rods are positioned into a locked position against the interior door, into a partially open position by holding the edge of the door with curved ends and into an unlocked position away form the door.

Abstract: A device for supporting a hinged panel in an open position and for locking the panel in a closed position. A first embodiment of a device according to the present invention comprises an arm with an inverse-L shaped slot for receiving therein a pin attached to the swinging end of the panel. When the pin is in a first leg of the slot, the panel is allowed to swing open. When the pin is in a second leg of the slot, the panel is locked in the closed position. A further embodiment of the device of the present invention comprises a retaining device for preventing the arm from pivoting when the panel is closed, thereby locking the panel in the closed 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: The invention pertains to a locking mechanism consisting of a guide lever arm (1) and a sliding lever arm (5), in which one end of each of the lever arm pivots about a bearing (10, 11) at a certain distance from the other lever arm, in which the other end of the sliding lever arm (5).is slidingly coupled with a slot (4) in the other end of the guide lever arm (1) by a pin (7) connected with the sliding lever arm (5), and in which the lever arms can be swiveled into two end positions. A force (2) exerted on the guide lever arm (1) in one of the end positions for the purpose of swiveling the guide lever arm (1) into the other end position is compensated in a selflocking way in the slot (4) by a recess in the area of the other end of the guide lever arm (1), and this locking effect can be removed only by a force (6) exerted on the sliding lever arm (5) in the direction of the other end position.

Abstract: An arresting device for a hinged component such as a window or roof hatch of a motor vehicle has a peg mounted to a first member, which in turn is pivotally mounted to the hinged component or to the frame for the hinged component. A guide rail is pivotally mounted to the other one of the frame or the hinged component and has a slot in which the peg slides. A gate is slidably mounted to the guide rail and also has a slot in which the peg slides. The slots in the guide rail and the gate each have at least one recess formed in their sides which are selectively alignable such that the peg can move into the aligned recesses. At least the recess on the guide rail has a notch formed at one end to positively hold the peg. Preferably, the gate and/or guide rail are spring biased so that the peg will move into the recesses when they are aligned. When the recesses are not aligned, the side of the slot on the gate covers the recess on the guide rail, and vice-versa, preventing the peg from moving into the recesses.

Abstract: It is required for a door to attach a door key assembly for the sake of caution and locking. The door key assembly to be attached to a door opposed to a door frame comprises a key body secured to an end face of the door and provided with a dead bolt and a fixing plate secured inside the door frame so as to oppose to the end face of the door. The fixing plate is provided with a vertically elongated recess having an opening facing the end face of the door and having a narrow portion and a groove formed on one side of the narrow portion. The recess and the groove are arranged vertically side by side so as to communicate with each other through a vertically elongated window portion.

Abstract: An auxiliary safety chain device for securing stud/loop retainer safety latching type devices is disclosed. The device includes a stud securement member secured to the stud of the safety latch device. A coupling member is coupled with the loop retainer. A locking mechanism secures the coupling member and the stud securement member together to lock the device.

Abstract: A door latch apparatus has a door latch face plate adapted to be attached to a doors edge and a door latch bolt adjustably fastened to the door face plate and having a latch head on one end thereof protruding from the door latch face plate. A door jamb bracket has a latch head track formed therein for receiving the door latch bolt latch head therein when the door is closed. A latching member is hinged to the door jamb bracket and has a latch head track formed therein. The latching member has an unlatched position swung out of the path of the latch bolt latch head protruding from the door and a latched position aligning the position of the latched member latch head track with the door jamb bracket latch head track so that the latch bolt head will slide from the door jamb bracket latching head track into the latching member latching head track when the latch member has been placed in a latched position while the door is closed.

Abstract: A safety latch construction is disclosed, of the type which has a rigid, pivoted slot-providing member secured to the doorframe, and a runner secured to the door having a T-shaped projection which engages the slot when the safety latch is operative, thereby limiting the amount of door opening movement. All of the parts are formed by stamping processes. No casting or machining is required. The doorframe member includes (a) a supporting member secured to the doorframe and having integral flanges providing pivot apertures, and (b) a pivoted member having an elongated slot formed between metal side bars which have projecting pivot pins and which are spaced at their pivoted ends, the resiliency of the side bars permitting the pivoted member to be readily assembled to the supporting member. An additional locking member provides a deadbolt feature.

Abstract: A latch member is mounted on the free swinging edge of a door and a mount is supported from a door frame toward which the door free swinging edge is moved to the closed position. The mount is supported for oscillation about an axis paralleling the door frame portion and an elongated hasp has one end pivotally supported from the mount for oscillation about an axis normal to the axis of oscillation of the mount and the other end of the hasp includes structure for latchingly engaging the latch member. In addition, the latch member is supported from a door edge mounted support and the longitudinal mid portion of the hasp and the mount include co-acting structure operable to interlockingly engage with each other and lock the door in the closed position. The hasp, when the end thereof remote from the mount is engaged with the latch member, is operative to allow slight movement of the associated door toward the open position and to prevent the door from being further opened.

Abstract: A locking device for a pivoting window includes a link which is completely embeddable inside the body of the lock mounted on a frame and a strap affixed to the window, the link being set in motion by a combination of sliding and pivoting movements transmitted from the translation motion of an operating knob, parallel to the body of the lock and obtained with pawns attached to the link evolving inside knob-holes of the strap and the body of the lock. This low-crowding device enables locking of the window with constant compression of the watertightness joint of the window.

Abstract: A safety latch is disclosed capable of selectively locking an in swinging door in a closed position, permitting the door to open a predetermined angular displacement, or permitting the door to open freely. The latch includes a bracket with a projecting portion offset from the door, and a pivotable bar capable of limited vertical displacement, and having a slot with a long first portion of predetermined width abruptly expanding to a short second portion of greater width. The projecting portion is capable of selectively engaging the pivotable bar in either the first or second portion of the slot.

Abstract: A releasable retaining means for mounting on the inside of an outward opening closure element movable to open and close an opening. First and second mounting means (13 and 14) are respectively mountable on the closure element (11) and opening surround (12) with a stay (15) slidably and pivotably coupled to the second mounting means (14). Stay (15) is pivotably couplable by engagement means (22) to the first mounting means (13) and releasable therefrom by sliding stay (15) relative to mounting means (14) but only when the closure element is closed. Recoupling means (16, 24) automatically cause the engagement means (22) to couple to said first mounting means (13) when the closure (11) is moved into the closed position.The retaining means thus prevents closure element (11) from opening more than a predetermined amount unless the stay (15) is released from the first mounting means (13) prior to opening the closure element (11).

Abstract: A pivoting arm door lock mechanism is disclosed which allows the user to lock the door in a fully closed position or a partially opened position merely by positioning a single arm. The mechanism also permits the user to open the door to an intermediate position without locking it in that position. The mechanism consists of a slidable T-bolt attached to the door which slides along a generally horizontal axis. A slotted arm, being pivotable in a generally vertical plane, is attached to the door jamb such that the head of the T-bolt engages the slot in the pivoting arm. In order for the T-bolt head to pass through the pivoting arm, the arm must be in a vertical orientation. When in this position, the door is locked in a fully closed position since the longitudinal axis of the T-bolt passes through the pivoting axis of the arm. In order to open the door to either a first or second partially opened positions, the arm is rotated to a horizontal position which allows the T-bolt to slide along its slot.

Abstract: An automatic hooking safety-hook for doors of dwellings and offices comprising a rocking member mounted on the door frame and an eyed member mounted on the door and engaged with the rocking member, thus allowing the door to open only partially; disengaging means being provided, operable from outside and inside the door, to disengage the engaged members, in order to allow the door to open completely.

Abstract: An improved fastening device for use on doors and the like which includes a bolt, or latch, having a guide with stops therein in which slide a pair of pins on a flange which is to be fixedly attached to the door. The bolt has a mouth with a flared opening into which fits a rectangular, shaped pin of a catch which is attached to the door frame. The bolt can be moved with respect to the flange pins so that the mouth opening clears and accepts the latch pin. Also the bolt can pivot with respect to the pins to tilt and thereby allow a partial, controlled opening of the door in which position the mouth opening cannot clear the latch pin so that the door cannot be opened. In a further embodiment the latch pin can be rotated by a key so that the bolt can clear the pin with the door in a controlled open position.

Abstract: A security latch for a door or the like is disclosed herein having a closure element secured along the edge marginal region of a door and outwardly projecting across the gap defined between the door edge and the adjacent door jamb. The closure element terminates at its cantilevered end with an enlarged portion and is adapted to ride in a contoured groove or track carried on a latch member to establish three operative door positions. The latch member is pivotally attached to the door jamb and moves by manual disposition between the three operative positions with respect to the closure element whereby the door may be locked shut, fully opened or opened for a restricted or predetermined distance.

Abstract: A pneumatic spring having a cylinder and a piston rod biased axially outward of the cylinder by compressed gas in the cylinder cavity may be stopped in an axially intermediate position of the rod by engagement of respective radial faces on an abutment member mounted on the rod for axial movement and on a rigid abutment member fixedly mounted on the cylinder and projecting into the normal axial path of the other abutment member which may be deflected manually from its normal path for release of the rod.

Abstract: A door latch for providing security in addition to that afforded by conventional key operated locks. A bar holds the door in its locked position and cooperates with a swingable plate for holding the door in a partially opened position.

Abstract: A door stop and hold open for use in refrigerated display cabinets includes a selectively positionable arrestor for limiting the swing of the door and for detenting the door in its widest open position. Detenting action is provided by a clip having two leaf springs between which a pin is forced as the opening door approaches its limiting position, and by which the pin is yieldably retained. The leaf springs are shaped to provide rigidity except in the direction of spreading and to provide a large surface area for contacting the pin, thereby reducing wear.

Abstract: Apparatus is described which is mountable on a door and across a doorway for securing the door in closed condition as well as in partially open condition. The apparatus includes a keeper which is adapted to be mounted on a door jamb along one side of the doorway opening. The keeper has a pair of plates one of which is securely fastened to the door jamb and is also pivotally connected to the other plate. The plates are releasably engaged with each other in closed condition. Only when disengaged, the pivotally mounted plate may swing laterally away from the doorway to open position. A bar structure extending across the doorway is pivotally connected to the door jamb on the opposite side of the opening from the keeper, as by being mounted on the same hinge which connects the door to the jamb, so as to swing with the door. The end of the bar opposite to the keeper includes a latch having a bolt which is movable into and out of a slot in the pivotally mounted plate of the keeper.

Abstract: A door check having a slidable arm mounted on a multi-stepped shoulder fastener has means for pivotally mounting the arm on the door of a refrigerator display case or like apparatus at one end thereof and has an elongated slot extending from the mid portion of the arm to an opposite end thereof which receives the shoulder fastener. A restriction is provided in the slot near the outer end thereof. The fastener is mounted on the display case and engages the outer end of the slot when the door of the display case is swung to the full open position. The hold the door open the arm can be moved upwardly so that the restriction in the slot bears against an enlarged shoulder of the multi-stepped fastener to retain the door in the open position. Pressure on the door toward the closed position spreads the restriction in the slot apart to drop the arm and permit travel of the door to the closed position without damage to the door stop.

Abstract: A safety latch for holding a door in its locked position or in a partially open position to enhance security. A bar for holding the door in either position is provided together with keepers cooperating with the bar to perform the holding functions. The said bar may be mounted to take the place of one hinge pin.