Matches 1 - 50 out of 109 1 2 3 >


Match Document Document Title
8181311 Adjustable hinged door closer  
The present invention provides an adjustable hinged door closer, including a seat with the first and second cylinders, and a first and a second elastic linkage unit. A double-threaded regulator is...
8151413 Drawing device  
A drawing device increases durability of dampers. A slider 14 and a damper base 22 are provided slidable on a base 12 of a drawing device. The damper base 22 is provided with a damper lock 28 which...
7921511 Door closer  
A door closer comprises a spindle journaled in a housing and connected to turn with a door. Upon rotation of the spindle, a cam carried by the spindle effects linear movement of a slide assembly...
7865999 Door motion controller assembly  
A track and arm type door controller assembly. A channel member and a gripping member each having a toothed surface are provided, with the gripping member slidably disposed in the channel member....
7788767 Automatic door shutter  
An automatic door shutter includes a stationary plate and a pressing plate pivotally combined together and with a resilient body located therebetween. Additionally, a pivot of the stationary plate...
7748080 Hinge and closure device for refrigerator  
A refrigerator comprises a body defining a refrigerated enclosure, a door movable between a closed position and an open position, a hinge comprising a first member coupled to the body and a second...
7650669 Door closer  
A door closer includes a housing; an output shaft supported by the housing and rotatable in opposite door opening and closing directions; a cam disc disposed in the housing and mounted on the...
7546904 Safety closing system for shaft door panel of an elevator installation, and elevator installation with shaft door panel, which comprises such a safety closing system  
A safety closing system for a shaft door panel of an elevator installation brings the shaft door panel into a closed setting in the absence of an opening force. The safety closing system includes a...
7537042 Door operating mechanism and method of using the same  
A mechanism and method for operating a track-mounted door is disclosed. The mechanism includes a pair of side drums that are connected by first cables to the bottom of the door. The side drums are...
7523586 Quick close security door system  
A security door closure system for cruise ships and other similar public entrance points to prevent terrorist attack or ship take-over is needed. Cruise ship passenger and ship provisioning...
7444714 Automatic corral gate closure  
A ranch gate arm assembly which incorporates a gate arm that is mounted to allow swivelling about a longitudinal pivot when an external man or machine force is applied to either side of the gate...
7430832 Sliding door having automatic closing structure  
A sliding door includes a track having a longitudinal channel to slidably receive a carrier, a door panel secured to the carrier, a bracket attached to one end portion of the track and having a...
7421761 Door closer  
A door closer comprises a spindle journaled in a housing and connected to turn with a door. Upon rotation of the spindle, a cam carried by the spindle effects linear movement of a slide assembly...
7356878 Door closer  
A door closer includes an anchor assembly for mounting on a door frame, an actuator assembly for mounting within the thickness of a door which is hinged for movement between open and closed...
7293328 Device for closing a door  
A device for closing a door, including a spring element, an attachment element for fixing the device to a door, and an actuation element. The actuation element and the attachment element are linked...
7185398 Mechanical door closer  
A mechanical door closer (10) that includes a spring (20) mounted in a track (13) to urge the door (11) to a closed position. A brake assembly (24) controls that rate at which the door (11) closes....
7160232 Coil spring connector for use in an exercise apparatus  
A spring connecting apparatus is disclosed for use in an exercise apparatus that has one or more springs fastened between a movable member and a stationary member. The connector apparatus is...
6938302 Door closing mechanism  
A door closing mechanism, involving a shaft rod that moves in relation to, and is installed inside a tube unit. On the shaft rod is an open/close unit.
6735820 Apparatus for closing sliding doors  
An automatic door closer for a sliding door. The closer has a reel with a cable extending around a pulley on the end of the rod of a return mechanism. In preferred embodiments, the return mechanism...
6725503 Door closer having dual operating directions  
A door closer includes a housing having one or more bulges, a shaft rotatably received in the housing and having an axle, and one or more resilient rings engaged between the shaft and the housing....
6715182 Self-closing safety gate hinge  
A self-closing safety gate hinge comprises a bracket, a bottom seat, a top seat and a hinge pin. The bracket is attached to a top of a gate post. The bottom seat is attached to one side of the...
6691465 Door closer assembly for sliding doors  
A sliding door closer assembly including an elongated anchor bracket that is attached to a wall section above the trailing edge of a sliding door. One end of a spring is attached to the anchor...
6640387 Damper assembly that opts to open doors for usage with reciprocating door closer devices  
An assembly (50) adapted to a reciprocative door closer device (10) and contingent door (62), the device (10) comprising a rod (16) and a body (12) having a biasing means (11) normally operating to...
6634059 Reinforcement hardware for a doorjamb bracket  
A reinforcement plate for use in attaching a doorjamb bracket to a doorjamb, the plate member having an aperture through which the arm of a conventional doorjamb bracket may be inserted. A...
6625847 Door closers  
A door closer comprises an actuator assembly (20) adapted for fitting within the thickness of a door and an anchor member (10) adapted for fitting in a door frame in opposed relation to said edge...
6477736 Gate closer apparatus  
A gate closer apparatus is provided in the form of a coil spring arranged to be installed onto a selected one of the corresponding, hinge-mounting, vertically extending gate post or gate frame...
6446305 Rollerless door check mechanism  
A check mechanism for a motor vehicle door includes a housing secured to either the vehicle frame or the door and a check arm secured to the other one of the vehicle frame and the door. The door...
6421876 Door closer  
A door closer with an oblong, one-piece body such to achieve a compact and aesthetic unit which can be produced with a minimum material consumption. The door closer has lateral faces which each...
6397431 Spring assembly normally inactive that opts for causing towards any position with reciprocative door closer devices  
An assembly (50) adapted to a reciprocative door closer device (10) and contingent door (62), the device (10) comprising a rod (16) and a body (12) having a biasing means (11) normally operating to...
6345412 Arrangement for controlling an angularly movable member  
A control mechanism for use with a door closer having a pinion shaft. The control mechanism comprises a coiled torsion spring around the shaft with a free end of the spring lying along part of a...
6317922 Door closer  
A door closer includes a cylinder and a piston sliding along the cylinder with a piston rod extending from the cylinder, with the closer mounting at one end to the door and at a second end to the...
6282750 Power adjustment size indicator for a door closer  
A gear driven dial indicator is used to indicate the door closer size for a door closer having an adjustable closing force. A drive gear is attached to the door closer adjustment screw. In the...
6158085 Closing device for original cover  
In order to provide a closing device for an original cover in which a spring case is not cracked or broken during use even if zircon by which the spring case can be cheaply manufactured and which...
5901412 Top-mounted door closer  
A door closer actuated by an eccentric cam plate includes a one-piece piston that is displaced axially by the rotation of the eccentric cam plate. The one-piece piston includes a damping piston...
5671500 Overhead door spring shield system  
The invention relates to a design for covering and protecting an overhead door spring assembly from the coercive and deteriorating effects caused by the environment that overhead spring assembley's...
5659999 Movable screen panel closure apparatus  
An automatic closure assembly for a sliding panel, particularly of the screen door type, is disclosed. One or more power springs, operable in their linear ranges are mounted within a compact...
5649339 Door closing device  
An assembly is arranged to include a tensioning means mounted within a housing structure. The assembly attaches to the head of an installed door hinge pin in order to store energy into such...
5542216 Sliding door closing device  
A device for closing a sliding door comprises a pair of slidable telescoped tubes. The device is secured at its outer ends to the sliding door and to a supporting door frame. A compression spring...
5471708 Pneumatic door closer  
A pneumatic door closer has an elongated cylinder with a bore extending axially thereof and end walls, and a piston is slidably reciprocable within the bore. The piston is integrally fabricated of...
5406687 Door closure apparatus and method  
A door closure apparatus is provided for lightweight screen doors and the like as are used on recreational vehicles, campers and motor homes. The method of attachment of the closure apparatus...
5365636 Apparatus for closing sliding doors  
A sliding door closer for automatically returning a sliding door to a closed position includes a gas spring having a cylinder and a rod slidingly received thereby. Pressurized gas within the...
5313739 Sliding door closure system  
A sliding door closure system (10) for a sliding door assembly (100) including a door frame (101) enclosing a pair of sliding doors (102) wherein the system (10) comprises a telescoping housing...
5186230 Mechanism for operating bi-fold doors  
The invention comprises a mechanism for aiding in the closing of a bi-fold door, and for maintaining the door in a closed position, which includes a door frame having vertically spaced apart frame...
5131188 Automatic return mechanism for sliding door or window  
The invention described is a device or apparatus for automatically returning a sliding door or window to a predetermined position within a stationary frame, which incorporates a cable anchor on the...
5020189 Door closure mechanism  
A door closure mechanism for use upon a door of a cabinet includes a housing formed from two co-mating first and second members, a drive cam rotatably mounted within the housing, a cam follower...
4972546 Over-center hinge  
An over-center hinge for cabinet doors with a door-related hinge part in the form of a recess-mounting cup in which one end of each of two links is journaled whose other ends are journaled on a...
4932693 Gate latch assembly and hinge  
A gate latch assembly includes a pair of cover members having a common plane of symmetry. A first cover member defines a recess receiving an adjoining lever and spacer block, each having its own...
4916862 Ceiling access panel  
A ceiling access panel for a suspended ceiling has a friction brake to retard the pivotal movement of the panel from a raised condition flush with the ceiling to a lowered condition exposing a...
4891862 Hinge  
A self-closing hinge comprises a pair of hinge leaves pivotally interconnected by an offset hinge pin. One leaf has a flanged head projecting substantially radially with respect to a sleeve of the...
4875252 Self-closing invisible hinge with selectively variable closing force  
A self-closing invisible hinge for returning a door to its closed position rom its open position including a self-closing structure in which the closing force can be selectively adjusted externally...
Matches 1 - 50 out of 109 1 2 3 >