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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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.
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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