Patents
Literature
14results about "Trap doors" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Corner assembly for a fixed outer frame of a trapdoor
ActiveEP4556672B1Trap doors
Corner assembly (G) of an outer frame (T) of a trapdoor (B); the corner assembly (G) comprises a corner piece (100), a device (7) attached to the corner piece (100) and screws (81, 82) used to fix the device (7) to the corner piece (100); the corner piece (100) has a protective partition (41, 42, 43) suitable for creating a compartment (V1, V2) that accommodates the tips (811, 821) of the screws (81, 82) and prevents the user from accidentally inserting his / her fingers inside the compartment (V1, V2).
Owner:AKIFIX SPA
Evacuation hatches and their installation methods
To provide an escape hatch that is lightweight and whose height can be adjusted according to the thickness of the slab on which it is installed, and a method for installing the same. [Solution] An escape hatch comprising an upper frame positioned on the upper surface side of a slab, an upper lid connected to the upper frame so as to be openable and closable, a lower frame facing the upper frame from the lower side, a lower lid connected to the lower frame so as to be openable and closable, and an adjustment mechanism for holding the upper frame and the lower frame in a separated state, wherein the separation distance between the upper frame and the lower frame is adjusted by the adjustment mechanism.
Owner:YAMATO PROTEC CORP
Corner connection for a fixed outer frame of a folding door
ActiveDE602024003987T2Trap doors
Owner:AKIFIX SPA
Attic hatch systems with hanger parts for supporting an attic hatch, and related methods
An attic hatch system for mounting within an attic access conduit defined by a ceiling, has an attic hatch structured to mount within the attic access conduit, the attic hatch comprising an insulative hatch body; one or more hanger parts structured to support the attic hatch within the attic access conduit in use, with each of the one or more hanger parts comprising: a top flange member extended laterally outward from the insulative hatch body to extend over and secure on a top shoulder of a structural member of the ceiling in use; a skirt structured to depend from the top flange member through the attic access conduit in use; and a base flange member extended laterally inward from the skirt to define a seat that supports a base surface of the attic hatch.
Owner:AIR-LOK TECH INC
Loft door frame and loft door assembly
A loft door frame 10, a loft door assembly 1 and a building having an internal ceiling including a loft door frame are disclosed. The lost hatch frame 10 comprises a first section 11 extending in a fi
Owner:ALUMASC BUILDING PRODS
A type of actor's trapdoor for stage performances
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV
Retractable cover for automobile service pit with oil change mechanism, detent pin and method of use
A retractable cover for an automotive service pit allowing an auto technician to utilize a retractable cover and mobile oil drain attachment to successfully collect oil from an automotive oil pan as well as provide repair and replacement of vehicle parts while providing a protective cover over an open automotive pit. Too, the present invention allows for a quick release mechanism, in the form of a detent pin, internal or external to said service pit, which allows an automotive technician to quickly and easily release the present pit cover when in need of a rapid service pit cover release for service person's entrance or egress.
Owner:RICE BEN KEITH SR +2
Ceiling access doors with hinges and an insulation dam
Insulated ceiling access doors have a two-part tongue and slot hinge. The doors are made of two interlock pans that are filled with injected polyurethane foam. The doors vary in length, width and thickness. The doors are mounted in ceiling access door frames. Four-part side and end walls insulation dams are permanently mounted above the door frames for holding back insulation from falling downward within the attic area. The doors have hold-open hardware.
Owner:A&J MANUFACTURING LLC
Access panel comprising a travel-stop bracket for the panel door
Access panel (100) comprising a fixed frame (1) suitable for being fixed into an opening provided in a wall or a ceiling behind which a compartment is disposed; said fixed frame (1) has a front section (1a), a rear section (1b) and two lateral sections (1c, 1d); said access panel (100) further comprises a door (2) mounted on the fixed frame (1) comprising two lateral appendages (3) in coaxial position and suitable for resting on the fixed frame (1) to hang the hinged door (2) to the fixed frame (1) and move the door (2) between a closed position and an open position, and locking means (71, 72) to lock the door (2) in closed position; for each lateral appendage (3), the access panel (100) comprises a travel-stop bracket (5) suitable for stopping a travel of the lateral appendage (3) of the door (2) toward the front section (1a) of the fixed frame (1) when the door (2) is in open position.
Owner:AKIFIX SPA
Box structure building partition
A box structure building partition constructed out of box designed to be installed in a building partition, articulated relative to box closing hatch, wherein the box structure features a closing hatch locking mechanism in the box and closing hatch features bracket in closing hatch socket for unlocking the locking mechanism, wherein bracket assumes two extreme positions in closing hatch, so that bracket in the first extreme position is retracted into closing hatch and the locking mechanism is locked and in the second extreme position bracket is slid out from closing hatch and the locking mechanism is unlocked and the bracket features a coupling for coupling element, accessible for a user when bracket is not in its first extreme position.
Owner:FAKRO PP SPOLKA Z O O
Box construction lock
ActiveUS12559983B2CeilingsConstruction fastening devicesStructural engineeringMechanical engineering
A box construction lock with a strike plate assembly is provided. The box construction lock includes a locking mechanism with a locking latch-bolt, located in a lock housing, so that in the lock locked position, the locking latch-bolt is at least partially in the strike plate assembly, and there is adjustment range between the lock housing and the locking mechanism of the lock housing, so that the lock housing has at least two positions relative to the locking mechanism.
Owner:FAKRO PP SPOLKA Z O O
Transverse propulsion device for a ship
ActiveCN116635296BSelf-bailing equipments/scuppersSteering by propulsive elementsCouplingClassical mechanics
A transverse propulsion device (1) for a vessel (2) includes a propulsion channel (3) defined in a hull (4) of the vessel (2) and adapted to accommodate at least one motorized propeller (5); the propulsion channel (3) is defined by a channel wall (6) extending between a first channel inlet (7) and an opposing second channel inlet (8); at least one coupling (9) extending from the channel wall (6) at at least one channel inlet (7, 8); at least one support structure (10) including at least one mating coupling (27); the support structure (10) being detachably connected to the at least one coupling via its at least one mating coupling (27). The transverse propulsion device (1) further includes at least two closing doors (12) configured such that when the closing doors are in the closed position, at least one passage entrance (7, 8) is completely closed; wherein at least one support structure (10) includes a hinge (11); and wherein the at least two closing doors (12) are rotatably hinged to the hinge (11) of the support structure (10) such that when the at least one mating connector (27) of the support structure (10) is separated from the at least one connector (9), the closing door (12) is separated from the motor passage (3) together with the support structure (10), thereby allowing access to the motor passage (3).
Owner:VON GENTRY CO
Building access panels
Owner:ZAWINSKY MICHAEL LEE
Double-opening type pet door
ActiveCN223806030UBuilding locksConstruction fastening devicesCompanion animalMechanical engineering
The utility model aims to provide a double-opening type pet door which comprises a connecting frame, the connecting frame is connected with a movable door through a hinge, the pet door capable of being turned up and down is arranged in the movable door, a pet lock pin is further arranged on the movable door, and the pet lock pin can limit one-way opening of the pet door. The movable door is formed by connecting an upper movable door and a lower movable door through section bars, and the upper movable door and the lower movable door are respectively provided with visual windows; by means of the height adjusting system, the height of the movable door can be adjusted, the movable door can be matched with different door frames, installation is convenient, an original door does not need to be modified, safety is enhanced through the lock button and the connecting movable lock, a product can be better used, the pet lock pin controls the pet door to be opened in a one-way mode, and a pet is prevented from getting out by mistake; and the double-opening type design is combined with the visual window, so that the integrated use of people and pets is realized, and the condition of the pets is convenient to observe.
Owner:慈溪市兴安实业有限公司