Matches 1 - 50 out of 176 1 2 3 4 >
Match Document Document Title
7567159 Energy absorbing magnetic coupling device  
A non-contact apparatus removes translational energy (slows movement) of a first magnetic assembly when it is moved through the magnetic field of a second magnet. The first magnetic assembly...
7444713 Closer arm assembly for an automatic door closer  
Closer arm assembly includes a main arm having a first end fixed to the output shaft of a closer fixed to one of a door and a door jamb so that the main arm pivots when the output shaft rotates,...
7377500 Shock absorbing device for moving body  
A shock absorbing device uses a damper including a cylinder enclosing a viscous fluid; a piston rod; and a piston dividing the interior of the cylinder in two axially separated parts. The piston is...
7275284 Damping device  
The invention relates to a damping device for parts of furniture which are joined together by means of hinges and which can be pivoted in relation to each other. The housing contains a damping...
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 (...
7118472 Control system for pneumatically-powered door installation  
A mine door installation has a frame installed in a mine passageway. At least one door leaf is mounted on the frame for swinging movement between open and closed positions. Movement of the door...
6976289 Door closer with door arresting mechanism  
A door closer having a door arresting mechanism to arrest a door in an opened position that includes a cylinder and piston assembly wherein the arresting mechanism includes a cam member having an...
6938372 Pneumatically-powered mine door installation with hydraulic checking system  
A mine door assembly has a frame. At least one door leaf is mounted on the frame for swinging movement between open and closed positions. Movement of the door leaf is powered by a pneumatic...
6910302 Door hold open and controlled release mechanism  
A door hold open and controlled release mechanism is designed for usage in a doorway system having an inner door, an outer door and a door closer. It includes a catch mechanism and a catch release...
6904642 Closing device for gates and doors  
A closer device for a gate such as a swimming pool gate has relatively rotatable arms (for connection respectively to a gate and gate post), the arms being connected to a closer body having an axis...
6823927 Pocket door with pivoting panel  
This invention discloses a pocket door. The pocket door is capable of pivoting on hinges between a fame that holds the pocket door and allows it to slide in and out of a pocket to open and close a...
6760954 Door bumper  
An improved laterally resilient and displaceable mechanical door bumper for moving an elongated retractable shaft. The body or mold of the door bumper includes a base portion in which mounting...
6684453 Hinge assembly capable of damping door movement  
A hinge assembly includes a damping unit mounted on a securing seat that is connected to a door frame, a housing embedded in a door panel, and a hinge member and a positioning member...
6658695 Door securing device  
A door securing device for securing screen door in an open position once it has been opened. The door securing device includes a housing comprising a perimeter wall. The perimeter wall defines an...
6634058 Door closer with a reliable arresting effect  
A door closer comprises a cylinder and a piston rod mounted in the cylinder and having an exposed section outside the cylinder. A retainer plate, an elastic element, and an end cap are mounted...
6553727 Columbarium  
A columbarium for cremation remains constructed of at least one unit which includes a generally planar bottom surface and at least five vertical outer sides with each side having a corner. A cover...
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...
6442795 Damper for a pivot door  
A damper for a pivot door has a piston movably received inside the damper and having a first channel and a second channel respectively and selectively communicating with a space full of hydraulic...
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...
6298520 Door closer and mounting bracket  
A door closer and mounting bracket for attaching the door closer to either the door or the door frame. The door closer includes two pins at one end for engaging corresponding holes on the mounting...
6202253 Storm door cylinder lock  
A cylinder lock door closure device. In an exemplary application, the cylinder lock door closure device includes a cylindrical housing, a piston assembly, an arm assembly, a cylindrical catch piece...
6167589 Control mechanism including a permanent magnet system  
A control mechanism includes a set of permanent magnets located within a cylindrical housing, the magnets being carried on a shaft which extends within the housing and is movable axially relative...
6151753 Door closer to generate a sudden change in the transmission ratio during the closing phase  
A door closer with a door piston, which door piston is acted on by a driven shaft during the opening of a door. The door piston has an extension attached to it. The door closer also can have a...
6125505 Door closer and mounting bracket  
A door closer and mounting bracket for attaching the door closer to either the door or the door frame. The door closer includes a lip at one end for engaging a corresponding hook on the mounting...
6119832 Pneumatic movement damper  
6112368 Temperature compensating valve  
A valve element for operative association with a valve seat in a passage in a body in which the valve element is mounted, in use, the valve element comprising first and second portions connected...
6032331 Checking mechanisms with variable plane trigger plates  
An improved mechanism (22) for checking reciprocating operative devices (10) to include door systems, by means of an improved rocker-washer mechanism (22) adapted to pivot (24) and frictionally...
6032330 Locating structure of oil pressure door closer  
A locating structure of an oil pressure door closer is composed of a locating plate, a main body of the door closer, and a plurality of fastening pins. The locating plate is fastened with a door...
6006475 Spring loaded swinging door system  
An spring apparatus for use with an automatic swinging door closure system wherein the system includes a motor linked to a door via a gear train and a drive arm, the train including a plurality of...
5956806 Apparatus for automatically closing a swing door  
A door closer has a cylindrical body `A` installed in a swing door and a base plate `B` fixed to a wall `C` standing still and near the door. The body `A` has an oil-hydraulic third cylinder 3...
5953789 Checking mechanism for reciprocative devices  
A checking mechanism (22) to frictionally check reciprocative devices (10) comprising a rod (16) that functions within a body (12) controlling a biasing means (11); the mechanism (22) providing...
5862896 Device for dampening the movement of a pivotally supported structural part, for example, a flap in an automobile  
A device for dampening the movement of a pivotally supported structural part, for example, a flap or closure within an automobile, comprises a pivot arm attached to the structural part, and a rack...
5862569 Door closer holding plate  
A plate that is attached to a shaft to remove a door closer from the door completely. A door holder is used to set the plate in an "open" position, out of the way of the door. Once the plate is in...
5855039 Delay door closer  
The subject invention is a delay door closer that is to be used in conjunction with a dual door arrangement such as a screen door mounted in conjunction with an entry door of a house or other...
5842255 Door closers with automatic latching or/and delayed action  
The present invention discloses door closers provided with automatic latching in any position along the stroke, and delayed action mechanism together with a mechanism to switch on and off the...
5832562 Door closer  
This invention is directed to a door closer which is rendered optionally operative to effect either a controlled closing of the door upon opening or to automatically latch or arrest the door in the...
5829508 Door closer and method  
Disclosed is a top mounted interior door closer utilizing as a drive mechanism a yieldable actuator which is exercised during the opening and retraction which is desirably mounted in an encasement...
5727286 Door closer with a pneumatic dashpot  
A structure of a rehabilitating device for automatically closing a movable object comprises a tubular body having a first and a second chamber therein, a cylinder member having a cock mechanism at...
5659925 Door closer holding mechanism  
A holding mechanism attached to a generic door closing cylinder that allows a person to pass through a doorway unimpeded while having both hands occupied, or while manipulating a baby stroller...
5630248 Door closer with semi-automatic latching  
A door closer employing a cylinder having an end attachable to a door or door frame and slidably retaining a piston biased by a spring to a maximum retracted position in the cylinder. One end of a...
5623747 Floor-mounted door closer device  
A floor-mounted door closure device comprising a floor trough insertable in a cavity of the floor and arranged to receive the closer casing from which a pivot pin projects, the device further...
5592780 Door position controlling apparatus  
An apparatus for controlling the position of a door suitable for use in association with door closing piston assemblies having a spring-biased reciprocable door closing piston rod and a latch plate...
5572768 Door closer  
A rotary friction damper in a device for connecting a door to an adjacent structure such that the door pivots about an axis during opening and closing of the same and including a torsion spring...
5529148 Automatic brake and hold mechanism for sliding rods  
A telescoping door closer or strut is disclosed wherein a sliding rod is automatically held at any desired position of extension or retraction with respect to an associated housing. An automatic...
5517719 Adjustable delayed-action door closer  
An adjustable delayed-action door closing device, particularly for use with screen doors or storm doors. The device comprises a cylindrical housing with a piston disposed within with the...
5511284 Door hold open device  
A door hold open device is disclosed for maintaining a door swingably mounted on a door jamb in an open position. The door hold open device includes an elongate track housing mounted on the door...
5507070 Mechanism for closing a lid  
A mechanism for controlling the opening and closing of a closure object, comprising an outer cylinder whose inner chamber, contains hydraulic fluid, a distal end of the outer cylinder being...
5497533 Surface mounted door closer housing resistant to vandalism  
Surface mounted apparatus for closing a door that is hinged along a side thereof includes a commercially available spring powered closer unit that is mounted within a heavy duty outer housing...
5450651 End cap locking overhead mounted door holder assembly  
An overhead mounted door holder assembly for attachment between a door jamb and a door, to hold the door in an open position, includes a jamb bracket attached to the door jamb and a jamb arm...
5386885 Electro-mechanical pivot wing drive for pivoting wings of doors or the like  
The electro-mechanical drive includes an electric motor, a transmission and a restoring spring. To improve the capacity to close the door, particularly in the event of a power failure, a large coil...
Matches 1 - 50 out of 176 1 2 3 4 >