Abstract: A shaft of a window actuator is operable to open and close a casement window sash when the shaft is rotated either by a hand crank or by a motor from inside of the premises. The shaft is automatically locked against rotation if a backdriving force is applied to the actuator from outside the premises. This prevents an open sash from being buffeted by wind and from being pulled open further by a potential intruder.

Abstract: A door control device is disclosed, which comprises a full closing lock device mounted to the door and latchingly restraining the door to the vehicle body when the door is pivoted to its fully closed position; a lock cancelling operation switch mounted on the door at a position to be manipulatable from the outside of the vehicle body; a full closing lock cancelling device mounted on the door and cancelling a locked condition of the full closing lock device upon operation of the lock cancelling operation switch; a door driving device arranged between the door and the vehicle body, the door driving device driving the door to a predetermined half-open position upon cancellation of the locked condition of the full closing lock device; a half opening lock device mounted on the door and latchingly restraining the door to the vehicle body when the door is pivoted to the half-open position; and a half opening lock cancelling device mounted on the door for cancelling a locked condition of the half opening lock device.

Abstract: A prefabricated door light unit comprises a rectangular ringlike frame units which project into the window opening from opposites thereof and are fixably mountable therein. The frame units define a window opening therethrough and have cooperating means for permitting the units to slidably telescope for accommodating the variable thickness of the door. The outer frame unit includes a tubular support wall structure integrally fixed to a peripheral flange wall and projecting substantially transversely therefrom into the door opening. The support wall structure includes a peripheral extension section extending away from a S-shaped cross section in a direction toward the inner frame unit. A window pane or door structure is hingedly connected to swing between open and closed positions with respect to the window opening adjacent one side of the peripheral extension section.

Abstract: A window lock assembly is provided for facilitated locking of a pane-carrying frame or sash in a closed position with respect to a window casement. The lock assembly comprises a handle unit in a recessed, substantially flush-mounted position on the casement and including a movable operator handle connected by a concealed rack or the like to at least one locking cam unit mounted on the casement at a remote position relative to the operator handle. The operator handle is accessible for manual movement to displace a locking cam of the cam unit into releasable locking engagement with a keeper mounted on the sash.

Abstract: A swivel fitting for an outwardly opening window, with a device for moving the casement frame between the closed position and the open position, for example in the form of a hand crank, with position-fixing arm driven by the crank and with an operating handle on one frame member of the stationary frame, in order to fix the casement frame in the closed position. At least one locking plate is included on the casement frame which co-operates with a locking element on a drive rod operable by the handle. When the window is in the closed position, a locking projection of the locking plate protrudes into a groove in the stationary frame so that the closing movement of the window may be supported relatively early by actuation of the handle and to ensure high security against break-in.

Abstract: A tilt-lock device 3 for rotary tilt-wing windows and doors or the like consists of a tilt-lock plate 4 with lock-webs 14, 15 sitting upon the upright frame bar in the lower frame corner at the lock side and of a locking element 11 associated with the upright wing bar at the lock side sitting at the lower end of a swivel lashing 5. The swivel lashing 5 passes with its bearing pivot 10 through an elongated slot 17 in a U-rail 6 which serves for guidance of the connecting rod 7 . The swivel lashing 5 is releasable for a limited swivel motion at least in the tilt-open switch position and when a locking element 11 engages in a tilt-lock pocket 12 of the tilt-lock plate 4. A flexible bar spring 19 sits with two laterally spaced legs 19b, 19c interconected through a web 19a on the one hand in a mounting support 6, 17 and is clamped on the other hand with its two legs 19b and 19c at the swivel lashing 5 at a distance from the axis of its bearing pivot 10.

Abstract: A hold down bar for securing adjacent hatch covers of a hopper car and for further sealing the gap that exists between those covers includes a latch arm formed from spring steel in the configuration of an inverted U so as to have a generally straight midportion and legs which are directed downwardly and outwardly from the midportion. In addition, the bar has a resilient shoe which fits against and is attached to the midportion of the latch arm, but is shorter than the space between the two legs so that it can be adjusted back and forth in that space and thus positioned with considerable precision with regard to underlying hatch covers. The shoe in turn carries a gasket that seats against the adjacent hatch covers along a gap between them to effect a water tight seal with those latch covers. Being formed from spring steel, the latch arm will deflect in the presence of heavy impacts, such as derived from the latch covers being dropped on them, but will not take on a permanent deformation.

Abstract: A slide latch for latching the leading edge of a door, formed of a plastic panel, to an adjacent jamb-like member, is formed of a narrow, thin, horizontally elongated, flat plate positioned upon the door surface for sliding movement towards and away from the jamb-like member. Integral, narrow, rigid flanges, forming sled-like runners, are formed along the horizontally elongated side edges of the slider for slidable engagement with the panel surface. The slider is held within an open-ended, horizontally elongated, flattened loop that is struck-out of the panel. Stops are formed near the opposite ends of the slider for engaging the ends of the loops and thereby limiting the sliding movement of the slider. One of the stops may be enlarged to form a manual grip for moving the slider.

Abstract: An improved drop rod latch for use with double-hung gates used with fences of woven wire fabric. Typically one of such gates is secured in position by a vertically reciprocating latch rod carried in tubular guides attached to the inside or central stile of the gate frame and engaging at its lower end a hole or a socket member placed in the ground. The upper end of this latch rod has a short, right-angled extension which serves as a handle by which the latch may be grasped for manipulation. The central stile of the other gate frame carries a fork latch pivoted to extend between a horizontally projecting position in which it embraces the central stile of the gate to which the latch rod is attached and a vertically projecting position in which it does not engage said gate. Thus, when the latch rod is in engagement with the ground socket and the fork latch is embracing the latch rod-carrying stile, the gates cannot be swung to open position.

Abstract: An enclosed newspaper vending machine has a double front door with a paper access door mounted in a security door carrying coin actuated release mechanism for the paper access door and a key operated pin lock fits within a surrounding guard on the front of the security door for locking engagement with a rod or pin extending forwardly from an interior wall of the enclosure.

Abstract: An improved latch and latchkeeping mechanism is provided for a gate closure for gates that close themselves. A detent mechanism is provided to allow the gate to be closed with the latch padlocked. Shock absorbing structure is also provided to absorb the shock of the closing gate.

Abstract: A pet door comprises a hinged flap mounted within a fixed frame and pivotable to allow passage therethrough in both directions. A locking mechanism is provided comprising a slide with two projections thereon which, in different lateral positions of the slide, are aligned with corresponding projections or cut-outs on the flap to allow or prevent pivoting of the flap in one or both directions. The locking mechanism can thus be set as desired to allow free access in both directions, to allow access in one direction only (in or out as desired) or to prevent any opening of the flap.

Abstract: A final closing device for a closure member on a vehicle is disclosed. The closure member, which may be swingably, slidably or otherwise mounted for movement between open and closed positions on a vehicle body member, includes a latch bolt movable between latched and unlatched positions and a handle or a lock member movable between open and closed positions. The final closing device includes a striker support plate mounted on the body member for rotational movement about an axis perpendicular to such plate, a striker carried by the striker support plate and projecting therefrom at position eccentrically offset from the axis, and means carried by the body member and connected to the striker support plate for rotating the striker support plate.

Abstract: A cantilevered sliding gate made up of a number of panels is disclosed. The panels are joined by post-tensioning rods, carried within horizontal members of the gate and extending substantially the length of horizontal members of the gate. During gate assembly, a tensile stress is induced in the post-tensioning means, which stress is transmitted to the horizontal member as a compressive stress. The resulting stress pattern results in a stiffening effect on the gate assembly, permitting lighter-weight construction than previously possible. The gate is mounted on vertical supports for movement in a plane defined by the supports.

Abstract: There is provided a new and useful airtight door assembly comprising a door; an inflatable seal disposed around the perimeter of the door and including means for connecting the seal to a compressed fluid supply; a pneumatic door locking device including means for connecting the device to a compressed fluid supply; and means for simultaneously charging the compressed fluid to the seal and the locking device through the means for connecting.

Abstract: A vehicle accessory assembly is disclosed for mounting on an interior panel, such as on a visor, for example, and includes an accessory device, such as a vanity mirror assembly, interconnected with the visor or other vehicle panel at a generally fixed location thereon. A preferred top-hinged accessory door is pivotally interconnected with the visor or other interior panel for selective pivotal movement about a pivot axis between a closed position wherein the accessory device is substantially covered and an open position wherein the accessory device is substantially exposed. A resilient biasing device is provided for resiliently biasing the accessory door toward the open position, and an overrideable latch apparatus is adapted for retaining the accessory door in the closed position.

Abstract: A coin-operated latch mechanism for a newspaper rack includes a coin-receiving mechanism into which coins are deposited. A coin-return mechanism is provided which, when depressed, swings the coin-receiving mechanism to a position in which the outlets of the coin slots overly a coin-return diverter. The coin-return diverter is normally disposed in a coin return mode and is moved to a coin retention position in response to the opening of a door of the rack. A key-actuated wall of the rack is mounted on hinges which permit a simplified removal of the wall from the rack. The key-actuated wall includes a latch which enables the wall to be closed and relatched without the use of a key.

Abstract: A window assembly with a window movably mounted in a frame between closed and open positions has holes in the frame and the window which register with each other when the window is closed. A locking pin is slidably received in the registering holes to lock the window in its closed position.

Abstract: Apparatus is disclosed to provide a safety gate comprised of two segments, which on being closed, the segments overlap each other and can be locked in this closed position. Each gate segment is mounted on hinges in turn fastened to doorway frame pillars. The overlapping gate segments allow for convenience of fitting various widths of door frames.

Abstract: The service window is constructed from a universal extruded framing member which can be cut to any desired window dimensions. A bell crank linkage with hip actuator or either of the pair of handles can be used to swing both doors open simultaneously about their respective vertical hinges. The bell crank linkage is mechanically efficient and space saving, and includes an automatic spring return mechanism. The handles are located over center with respect to the hinges. A U-shaped channel-formed member with wedge-shaped insert slips over the handles to prevent the window from being opened. The innermost edges of the handles confront the wedge insert to prevent the handles from following the arc trajectories followed during opening. These trajectories pass closest as they cross the plane between vertical hinges, thus, the wedge insert provides a solid, stable locking condition which is not readily jarred loose by vibration or prying.

Abstract: A wall panel for a building may be formed by twin sheet vacuum form molding an entire end panel which may then be cut to form an access opening which may be closed with the removed portion forming the door with the cut panel reassembled to form the building wall and door frame. A novel closure and lock secures the door.

Abstract: A mechanism for opening and closing a lid is disclosed, which includes a rotary damper and an auxiliary rotary damper. An input gear of the rotary damper is in mesh with an output gear of a lid. An input gear of the auxiliary rotary damper is in mesh with the output gear of the lid or the input gear of the rotary damper. Thus, the lid can be sufficiently braked during the opening and closing operations.

Abstract: This invention relates to a device for retaining a door in open position, comprising two toothed elements of resilient material, positively connected to the door post and the door leaf, respectively, and adapted to mesh with one another during the opening of the door leaf so as to retain the same in open position at a desired opening angle.

Abstract: A window hinge for mounting a window sash for pivotal movement between open and closed positions including a track mountable to window frame and a sash arm mountable to a window sash. The sash arm is supported for movement relative to the track by a plurality of links, with pivotal connections to the sash arm and to either the track or a shoe movable along the track. A cam surface on the sash arm coacts with a cam member on the track to assure pull-in of the sash arm when the window hinge moves to window-closed position. The cam surface has an apex which is offset relative to the center line of the sash arm and a pivot connection of a link to the sash arm is similarly offset whereby an inside edge of the sash arm is caused to align with an inside edge of the track when the window hinge is in window-closed position.

Abstract: A very secure entry door barricade system is obtained with a specially configured elongated bar which extends generally horizontally across the width of a door. A hasp assembly, which is very firmly anchored to the building structure, includes a pivotally movable hasp adapted to selectively engage a hook portion of the bar. At the hinge edge, the elongated bar is very securely anchored by a conventional hinge pin which passes through a vertical aperture in the bar and back into its hinge assembly. An alternative configuration for double doors employs an elongated bar on each door, the bar pair being generally in horizontal alignment with respective hook portions situated in close proximity to receive a ring over both hook portions. The ring, when in place, thereby serves to closely limit the extent to which either or both doors can be opened.

Abstract: Swing window arrangement equipped with a child safety device and having a pair of pivot mountings (12) which are each provided with a frame fastening plate (13) which supports, about a first pivot pin (15), a first, upper pivot arm (16) and, about a second, lower pivot pin (17), a second, lower pivot arm (18), at a certain distance from each other. The child safety device is only arranged on the one pivot mounting. A first component (23) of the child safety device, which forms a weight-loaded drop bolt, is arranged axially moveable on the frame fastening plate (13). A second component (24) of the child safety device, which is provided with a stop forming hook (24a), is fastened to the lower pivot arm (18) in order to be swung together with the latter and by this means is moved inwards into and outwards from a locking engagement with the first component (23).

Abstract: A double door installation includes an astragal which is removably mounted in the head jamb and sill portions of the door frame independently of the doors, but the combination includes a locking mechanism in one door which incorporates a bolt arranged to project through the astragal into the other door to effect firm locking of both doors to each other and to the astragal.

Abstract: A window pane is hung along one edge of a window frame by a flexure mechanism arranged to permit pivotal movement of the pane about an axis oriented along the corresponding edge of the frame. An over centered handle latch is mounted on the lower edge of the frame and is operable to move the window pane between an open and closed position. A resilient hinge connects the handle latch directly to the pane so as to enable the handle latch and pane to have relative elastic movement during movement into and also in both the closed and open condition.

Abstract: A release mechanism for a vehicle escape sash employs a latch mechanism of novel construction, with parts configured as keeper, hinged latch member, and sash bar. The keeper has a keeper flange that projects upward from a web of the keeper, and has a generally cylindrical undercut recess at its juncture with the web. The recess defines a latch seat. The latch member has a sash plate mounted to the window sash rail and a latch plate hingedly connected to the sash plate. A depending flange on the latch plate has a cylindrical head at its free end that fits into the keeper recess and makes continuous rolling contact therewith when the keeper and latch member are latched together. The sash bar is mounted onto the latch plate and extends inwardly over the latch member, the keeper, and the sash subframe. The sash bar both serves as a cover and as a release handle.

Abstract: A combination lock and latch mechanism for an access panel. The latch mechanism includes a biased latch part which is located behind the panel and accessible through the panel.

Abstract: A latch apparatus for a fold-down rear vehicle window releasably holds the window in a folded down position opening the rear window opening of the vehicle. The latch apparatus includes a channel member mounted on the vehicle rearward of the rear window of the vehicle. A latch member in the form of a solid body having a slot for releasably engaging one edge of the rear window of the vehicle includes a base portion slidably mounted within the channel member. A biasing spring is mounted within the channel member and is connected to the body for biasing the body towards the front end of the vehicle thereby permitting movement of the body to releasably receive the rear window and to allow pivoting of the rear window when the rear window is in the latched, folded down position and the rear deck lid of the vehicle is raised or lowered.

Abstract: The manually releasable stop device permits unimpeded swinging of the window within a limited angle of rotation between the closed and partially open window. After releasing the stop device further swinging of the window is permitted beyond the limited angle of rotation. The stop device comprises two cooperating stop members (25, 26) which are fastened to respective support members (14, 18) in the window hinge which are pivotable relative to each other. A first stop member is constituted by a stop element (26) fixedly fastened to the one support member (14), and the second stop member is constituted by a self-locking catch element (25) fastened to the other support member (18). The catch element cooperates with a positive control mechanism (26, 32, 37, 39) in the pivotal region of the window within the limited angle of rotation.

Abstract: In combination with a building door, there is provided a key safe for a door key comprising an open ended housing secured within and projecting through the door. A safe door is hinged to and closes one end of the housing and has a retractable latch bar engageable with the building door to lock the safe door. A combination lock on the safe door includes a normally open printed circuit connected to a power source. A solenoid is connected to the circuit and includes a plunger connected to the latch bar. A tamper proof key tray is nested within the housing and normally spring biased for ejection inwardly of the building door. A first detent assembly is interposed between the safe door and tray so that any forceful opening of the safe door disengages the detent assembly.

Abstract: In a window comprising a main frame (1), an intermediate frame (3) hinged at the top of the latter and a sash (7) which is journalled as a pivot sash in the intermediate frame, said intermediate frame (3) is provided with an arresting means (5) in the area of the pivoting axis (2), said arresting means normally being engaged with an associate arresting means (6) in the main frame. The arrest can be disengaged by means of a release handle (9) which is placed on the inner side of the main frame (1), and the window can then serve as an emergency exit, as the intermediate frame (3) with the sash (7) is swung clear of the main frame due to a permanent urging of the intermediate frame in its opening direction.

Abstract: There is disclosed a mobile cargo container for transporting fluid-like materials such as cannery waste. The cargo container includes a floor conveyor extending rearward of and beyond the container bottom for discharging materials from the container through a rear discharge outlet. A trailer door is connected to the container to pivot between an open position wherein the door is above the discharge outlet, and a closed position wherein the door seals the container in a fluid tight fit. The discharge outlet is defined by side walls of the trailer which are angled downwardly in a rearward direction from the top of the container to a point wherein the side walls project downwardly in a forward direction to meet with a bottom portion of the container.

Abstract: The present invention relates to a window structure comprising a frame capable of being secured to a window opening, and hinges and latches fitted in the frame. The frame is preferably made up of an aluminum profile having the same cross section all around the frame. A substantial part of the profile consists of the interior part which receives the pane and has the shape of an open tube. Both the hinge and the latch are fitted in the open tube, to which they attach rotatably without any furniture or other fastening means. Both the hinges and the latches can be simply pressed into the open tube and be removed from it without dismantling the window structure in any way. Owing to the symmetry of the window structure the left- or right-handedness of the window can be determined as late as at the installation stage.The invention also relates to a hinge and a latch functioning in an open-tube-shaped frame structure.

Abstract: A device for securing the locked position of a motor-vehicle door activated by a rotating post and that is locked or unlocked by raising and lowering the post has a disk attached to the post and a rotating support in the form of a double-armed lever mounted below the disk on a stationary section of the frame so that the support can be displaced into a position in which the disk rests on the top of one of the lever arms. The axis of rotation of the support is positioned on the frame section and lies in a plane that is perpendicular to the direction in which the rotating post is raised and lowered. The bottom of the second lever arm of the support rests on and is forced by a compression spring against a stop on the frame section and the bottom of the first arm of the support has a recess. A rotating locking element, which is also a double-armed lever with two support surfaces on one arm, engages the recess.

Abstract: Disclosed is a combined gate and lock assembly of tubular construction comprising two horizontal female members fixed to two vertical posts pivotally mounted with respect to support structure. In the closed position, the longitudinal axes of the female members are aligned and receive coaxially in recipro cable relationship therein a male member having an eye engaged by the shackle of a padlock. In the open position, the male member is appropriately disengaged from one of the female members which are disposed in their open position by appropriate rotation of their vertical posts.

Abstract: A locking mechanism for coach door leaves of the type which are rotated and then driven axially upward by a powered door operating mechanism. Male and female locking bodies at the top of the door leaf shaft move together and apart axially without being radially engaged as the door leaf moves in or out at final closed position. Any external outward pushing force on the door leaf radially engages the locking bodies to prevent door opening.

Abstract: An improved latch assembly is provided particularly for use in so-called sunroof windows or the like in an automotive vehicle to movably position a vent panel, such as a pane of glass, to selectively open and close a vent opening. The latch assembly comprises at least one pair of mechanical links pivoted to each other and respectively pivoted to the vent panel and a stationary main frame at one side of the vent opening. The links are designed for articulated movement generally over-center relative to each other between a first position holding a latch in locking engagement with a keeper on the main frame thereby locking the vent panel in a closed position and a second position supporting the vent panel in an open position relative to the vent opening.

Abstract: By providing two separate units for actively opening and closing a door of an automobile, safe and reliable door opening and closing operation may be achieved. The first unit is operated to open the door in a normal way and closes the door to its not fully latched state while the second unit completes the door closure operation by closing it to the fully latched state, thereby reducing the unfavorable influences arising from the impact which is otherwise unavoidable for complete closure of the door.

Abstract: A door bolting device for use with a door which has an empty cylinder hole and which is mounted in a doorframe having a doorjamb against one side of which a first of the door's two broad sides abuts when the door is closed. The device comprises a door-grabbing element which abuts against the second of the door's two broad sides; a jamb-grabbing element which abuts against the opposite side of the doorjamb from that which the door abuts when closed; and a connecting element which connects the door-grabbing element on the second broad side of the door to the jamb-grabbing element on the first broad side of the door through the cylinder hole, so that the door is held against the doorjamb.

Abstract: An elongated housing member rectangular in cross section has aligned forward and rear openings formed through opposite ends. The housing has two opposite sides adapted to be connected to a side frame member of a gate with a hollow cross member having an open end located in the rear opening. A bolt located in the housing has a forward end extending through the forward opening and a rear end extending through the rear opening and into the open end of the cross member. A plate connected to the forward end of the housing has a first aperture formed therethrough defining said forward opening and an edge extending beyond a third side of the housing. A slot formed through the third side of the housing has an elongated portion extending along the length of the housing and a short transverse portion extending from the elongated portion next to the plate. A handle connected to the bolt extends through the slot.

Abstract: A vehicle body structure for preventing water flow into the interior of a vehicle door. The structure comprises an upstanding seal installed between an outer door panel and a door handle case, enveloping an aperture around the door handle.

Abstract: A remote control automatic gate assembly includes a hinged gate having a drive motor and track constructed on the gate itself with a sliding trolley connected to an adjacent post by a normally fixed length control arm. An automatic latching mechanism is provided which is operative in responsive to overtravel retracting movement of the trolley. The overtravel retracting movement of the trolley is taken up by slack adjustment mechanism to enable the gate to remain in its closed position during latching and unlatching of the gate.

Abstract: A substantially planar closure for a cabinet compartment is disclosed having two resiliently retractable pivot hinges disposed in cantilivered fashion approximately co-axial with the rear edge of the door. This closure can be deployed in a housing opening having a cross-sectional area approximately equal to the planar dimension of the door. A front edge of the door includes an integral retractable latch which can lockingly engage a catch receiving recess disposed on the housing. The latch mechanism is co-axial with the forward edge of the door. A support means integrally formed with the undersurface of the door, provides the rear portion of the closure panel with additional support.

Abstract: A panel structure for mounting on any of various enclosures susceptible to explosions or excessive internal pressures, is formed as a self-contained unit mountable in sealing relation to a pressure-relief opening of the enclosure. Disclosed is a one-piece back plate with an integral mounting flange isolating all other frame components from the area in which a sealing function takes place. A peripheral seal on the closure panel exerts pressure against the back plate in a normal position of the closure panel, in a direction parallel to the lines along which internal pressure is exerted against the closure panel, thus providing an efficient seal about the entire periphery of the relief opening, without the necessity of precisely dimensioning the sealing gasket and frame components at the locations where they are interfaced for sealing engagement. The gasket includes side-by-side primary and secondary sealing beads, one of which projects forwardly a distance less than the other.

Abstract: The invention provides a door for buildings, comprising the outside panel thereof being larger in area than the inside panel thereof, the four edge faces of the door being provided on their outside portions with acute-angled projecting portions, the outside portions of the inner faces of a door frame being inclined toward the outside, the clearances between the inner faces of the door frame and the inside portions of the edge faces of the door being at least 6 mm each; and a door for buildings provided with a lock having clearances of at least 6 mm each over and under a dead bolt or a latch bolt when said bolt is inserted into a bolt recess.

Abstract: A safety lock for a window mounted for pivotal movement about a centrally disposed vertical axis embodies a lock assembly housing mounted on the window sill intermediate the vertical axis and a window jamb. An elongated vertically extending locking member mounted on the lock assembly housing is movable selectively to a locked position with its upper end adjacent the housing and to an unlocked position with its upper end spaced from the housing. A latch assembly housing is mounted on the lower portion of the window intermediate the vertical axis and a vertical side frame member. A connector arm is pivotally connected at one end to a lower portion of the latch assembly housing with its other end engaging the locking member to permit pivotal movement of the window selectively to a closed position and to a limited open position.

Abstract: A fail-safe device for a pressure vessel includes a blocking device for a lid thereof, which blocking device is locked by means of a first locking device sensing the internal pressure in the vessel. This device in its turn is provided with a second locking device which works independently by sensing pressure or temperature inside the vessel and locks the first locking device in its locked position whenever pressure or temperature is dangerously high inside the vessel. The object is to assure a safe closing of the lid which is both foolproof and fail-safe.