Abstract: Described is a device for constraining the opening of doors or windows comprising a guide body associated with a perimeter profile of a movable leaf and equipped with a slot; an operating arm articulated, at a first end, to a fixed frame, and a second end slidably connectable, by a pin, inside the slot of the guide body so as to allow a sliding stroke of the pin along the guide slot to define an open configuration with a limited angle of the leaf; the guide body is provided with two lateral openings facing each other made on the walls defining the slot to allow a free passage, through one of the openings, of the pin of the arm housed in the slot when the leaf is in a free open configuration; a locking lever or latch articulated to a base of the guide body and configured for locking the pin of the arm when it is positioned at an end of the slot of the guide body in the open configuration with a limited angle of the leaf; an operating rod slidably inserted along the body and having a pair of protruding walls co

Abstract: A casement window opening control device including a sash sub-assembly and a frame sub-assembly. The device is self-locating by aligning the bottom end of each sub-assembly with physical features of the window. This saves time and effort in installation by not requiring any measurements to ensure that an engaging feature of the limiting arm of the device is aligned with an engaging feature of the frame sub-assembly so that the device properly reengages upon closing of the sash after release. Also, operation of the release of the travel limiting arm is intuitive, requiring only pressing in on a latch button and sliding it upwardly to effect release.

Abstract: A roof hatch for enabling access to a rooftop of a building from an interior of the building includes a curb adapter configured to be disposed over a curb of the rooftop. The curb is formed around an opening in the rooftop that fluidly connects the interior of the building to an exterior of the building. Additionally, the roof hatch includes a cover coupled to the curb adapter by a pivoting member. The cover includes a support extending within an interior length of the cover. The roof hatch includes a gas spring coupled between the support and the curb adapter. The gas spring is configured to apply a force to the support, and the support is configured to distribute the force along the interior length of the cover.

Abstract: Certain embodiments provide systems and methods for unlocking, opening, closing and locking a vent sash. The system may include a push arm configured to extend to open the vent sash and retract to close the vent sash. The system may include a guide arm configured to extend to unlock the vent sash and retract to lock the vent sash. The system may include a handle extension configured to radially rotate substantially one hundred eighty degrees in a first direction on a single plane to extend the push arm and the guide arm. The handle extension may be configured to radially rotate substantially one hundred eighty degrees in a second direction on the single plane to retract the push arm and the guide arm.

Abstract: A concealed security bar comprising a concealing and deploying means for the security bar for a sliding patio door comprises a security bar, a lifting mechanism, and a releasing means. The security bar sits along a ground surface between a wall portion and a sliding door in order to prevent opening of the door. The lifting mechanism comprises a mechanism which pivots the bar into an upright position along the wall surface in order to allow the door to function as normal. The releasing means is located along the wall surface at a height easily accessible by a user. Upon depressing the releasing means, the lifting mechanism is activated in order to lift the bar without need for reaching down to the ground to grab the bar.

Abstract: A fuel housing assembly for a vehicle includes a fuel door. A primary fuel door lock system includes a locking shaft having a locked configuration where a locking end of the locking shaft engages a locking member of the fuel door to inhibit opening of the fuel door and an unlocked configuration where the locking end of the locking shaft is removed from the locking member to allow opening of the fuel door. A secondary fuel door lock system is connected to the locking shaft by a decoupling structure that allows movement of the locking shaft between the locked and unlocked configurations relative to the secondary fuel door lock system.

Abstract: There is provided a stopper structure for a tilt type cabin mounted on an industrial vehicle, which is capable of preventing a cabin from lowering during a working so as to enhance the safety.

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 Z-bar security system, one which is provided with a key and a secured latch, is combined with an electronic alarm and monitoring system. This combination provides the maximum degree of both mechanical and electronic security. In a preferred embodiment, a Z-bar latch assembly has a three-position rotatable cylinder which is operable by a key from outside of the door. These three positions correspond, respectively, to "open", "viewing" and "closed" positions of the door.

Abstract: This security bar for positioning between a door and the floor has telescopic sections which permit the door to be opened a small distance, corresponding to the degree of telescoping which is permitted, so as to permit a clear gap between the door and its frame, if desired. The sections telescope by virtue of a bolt positioned through holes in one of the sections and a slot in the other section, the length of the slot determining the maximum possible telescoping. A pin can be positioned through additional holes in the first section and through the slot, to restrict the degree of telescoping which is permitted, from the maximum telescoping down to essentially no telescoping at all. The overall length of the bar preferably is adjustable as well.

Abstract: A security lock is described which permits a door to be opened by a predetermined amount while maintaining security against forced entry. Preferably, the security lock also functions as a deadbolt lock and comprises a slotted floor plate covering an aperture in the floor, a vertical bolt extendable into the aperture, and a lock mechanism which raises and lowers the bolt into and out of engagement with the floor plate. In a first engaged position, the end of the bolt is locked into engagement with the floor plate in such a manner that the door may be partially open. However, the bolt cannot be removed from the floor plate with the door open, thus providing security against forced entry through the partially open door. In a second engaged position, with the door completely closed, the bolt may be raised or lowered into or out of engagement with the floor plate, similar to a conventional deadbolt lock.

Abstract: A system for locking a door can: (1) lock the door in dead bolt fashion in three modes, (2) allow the door to open a limited distance, or (3) allow the door to open freely. The system has a door-mounted latch assembly that includes a base plate, an intermediate link pivoted to the base plate, and a mode selection and latching assembly that is pivoted to the intermediate link. A latch plate is mounted on the door frame in juxtaposition to the door-mounted latch assembly. The latch plate has a tubular portion with an opening for receiving the latch member. A sleeve fits inside the tubular portion of the latch plate. When the latch member is engaged in the tubular portion of the latch plate, the sleeve can be rotated so that the latch member is engaged to the sleeve in a secured position. The latch plate includes a locking mechanism to releasably lock the sleeve into the secured position. The locking mechanism may be a spring-loaded pin mounted within the sleeve.

Abstract: A door hold back for holding the cargo door of a vehicle in the open positon while the vehicle is being loaded and unloaded wherein a link having spherical end portions is connectable between a socket provided in a mounting plate on the vehicle wall and a socket provided in a receiver on the cargo door. The spherical end portion on one end of the link in the base plate socket is larger than the spherical end portion on the other end of the link in the receiver socket so that the larger spherical end portion of the link is captivated in the base plate socket, and the smaller spherical end portion is releasably mounted in the receiver socket. The link and associated spherical end portions, mounting plate and receiver are all molded of high impact polypropylene plastic.

Abstract: A door secured system includes a door reinforcing rigid metal member (20) across the width of a presently installed door or imbedded within the construction of a new door (20a) to prevent the breaking in of the center of th edoor (panel, rails, etc.) having an L-shaped end at the strike area (24) to strength the lock and strike area. On a presently installed door, fingers (26, 26a & 26b) at the hinge side of the reinforcing rigid metal member (20) with a special hinge (28 and 30) and pin (27) combination five added strength to the hinge system. This also allows easy removal on special occasions. The reinforcing rigid metal member (20a) within the construction of a new door has an L-shaped end (62) for securely attaching a hinge plate (not shown), giving added strength to the hinge side of the door. The rigid metal member (20+20a) has an opening (22) to encompass a cylindrical door lock assembly (46) or dead bolt lock assembly (44). These systems give the same security when in or away from the dwelling.

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: This invention discloses a pivoting bar lock which has a locking bar guide slidably attached to a locking bar. The locking bar is pivotally attached to a mount or base plate which is affixed to a door jambb. The locking bar guide can be inserted into or slid through a mount or other means of a door mount retainer assembly mounted on a door. The door can thus be locked in a fully closed position or allowed to be partially opened while remaining securely locked. The locking bar can be used to apply leverage to close the door against the force of an intruder.

Abstract: The holding device comprises a part provided at each of its ends with a lug, each lug being caught between the walls of a groove of elongated shape formed in a casing and capable of having a translational and rotational motion, each groove having adjacent at least one of its ends a zone of narrowed cross-section with elastic walls, and each casing being intended for securement to the corresponding element of the jointed assembly to which the device of the invention is applied.

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 security bar system for physically preventing unwanted opening of a door. The system preferably comprises an elongated, rigid, generally cylindrical bar which is adapted to extend in front of the door between a pair of mounting brackets. The door bar terminates at its opposite ends in flange members which are separated from the major length of the bar by reduced diameter segments of predetermined length. The door bar is adapted to axially penetrate, and be restrained by and between, the bracket members. Each bracket member includes a symmetrical slot geometry whereby to permit mounting of the system in either a right or left sided application. A first mounting bracket includes an elongated slot, the center of which is provided with a clearance hole to axially receive one bar flange. The reduced diameter segment of the door bar tracks within the extremities of the slot.

Abstract: A latching arrangement for complemental top and bottom door panels on a cab of a tractor includes a handle which is pivotally mounted to the top door panel between operative and inoperative positions. Biasing means in the form of a coil spring mounted between the handle member and the door normally urges the member to its inoperative position. An element connected to the lower door panel and defining a recess to receive the handle member operates to position the upper door in angular relationship to the complemental lower door member to ventilate the cab. A peripheral portion of the handle which is received in the connecting element is disposed at an angle relative to the axis about which the handle pivots to thereby define the angle at which the complemental door panels are held apart.

Abstract: A vehicle cab is provided with a structure which includes a pivotal rod that serves as a grab handle for aiding an operator in mounting the vehicle and cooperates with a guide bracket fixed to the cab door so as to resist movement of the door from an open position toward a closed position.