499results about "Serving doors" patented technology

A nitride semiconductor laser device comprises, on a principle face of a nitride semiconductor substrate: a nitride semiconductor layer having a first conductivity type; an active layer comprising indium, and a nitride semiconductor layer having a second conductivity type that is different from said first conductivity type, and on the surface of which is formed a stripe ridge; said principal face of said nitride semiconductor substrate having an off angle a (θa) with respect to a reference crystal plane, in at least a direction substantially parallel to said stripe ridge.

A pet door comprising a flap defining a pet access opening, a door flap pivotally mounted in the opening about a pivot axis located at an upper edge of the door flap, a latch mechanism to bar the door flap from opening in at least one direction, and a control mechanism for disabling the latch mechanism to permit the door flap to open in the said at least one direction, the control mechanism including an infrared radiation detector which is mounted above a lower edge of the pet access opening and defines a downwardly directed receiving zone for infrared radiation.

A pet door system including a door, a detection device, a receiver, a motor and a controller. The detection device detects the proximate presence of a pet to the door. The receiver receives an identification signal that establishes an identity of the pet. The motor is operatively connected to the door. The controller is communicatively coupled to the detection device, to the receiver and to the motor. The controller issues a signal to the motor to open the door based upon the identity of the pet.

An apparatus for selectively raising, lowering or otherwise moving load such or panel, or other article such as a pet door comprises a frame, a panel, a motor, a constant tension spring, and a control system. The panel is carried by the frame for movement between an open position and a closed position. The spring is attached to the panel to bias the panel open. The frame includes a plurality of groves retaining seals such as fibrous weatherseal to seal the interface between the panel and the frame against penetration by the elements. The control system is in communication with the motor to actuate the motor, thereby moving the panel with the assistance of the spring. The control system includes an antenna in the panel for emitting a low frequency (RFID) signal, and a fob that is worn by a pet to communicate with the antenna to actuate the motor.

A landing pad receives and stores packages delivered from an aerial vehicle and awaiting pickup from an aerial vehicle. The landing pad can be placed outside of a window and can contain a transmitter for sending out an identification signal via radio frequency to aid aerial vehicles in finding the landing pad. The landing pad contains a landing platform with a trapdoor that leads to a storage compartment. The trapdoor can be configured to only open when it receives a signal from an authorized aerial vehicle. The storage compartment can be accessed via a storage compartment door which can contain a locking mechanism. The storage compartment can be climate controlled. The landing pad can also have a transmitter that emits sounds to discourage animals from nesting on or near the landing pad. The landing pad can also include a solar power generator as a source of electrical energy.

An automatic pet door system is disclosed. The automatic pet door system has a rectangular frame mounted between studs of a wall defining a passage for entry and exit of a pet. A door slidably moves within the frame between a lower closed position for closing the passage and an upper open position for opening the passage. The door is lifted by a drive means having a motor pulling a cable attached to the door. The motor is energized by a control means in response to a signal received from a magnetic transmitter worn by a pet when the pet approaches the door. A locking means prevents movement of the door upwardly from the closed position unless the door is moved by way of the drive means.

A window mounted automatic pet door device having a pet-specific identification component whereby only authorized animals are permitted to access the pet door. The device includes an automatically operated interally sliding door to accommodate pet ingress and egress. The device is intended to solve problems inherent in the prior art by providing for installation and use of the device in a window, including upper floor windows, without significantly modifying the window unit, thereby increasing the availability of suitable installation locations and appealing to pet owners who do not wish to structurally modify their homes. It also provides a pet access platform component to give a pet a convenient structure for approaching the device.

A portable pet portal insert for a sliding patio door includes separate top, center, and bottom modules that can be assembled together through use of tongue and groove fittings therebetween, with the bottom module having a cutout portion adapted for receiving a pet portal, the pet portal including a pivotal flap, a cam operated lock for preventing movement of the flap away from an associated frame, and a weather seal mechanism.

A method and system is provided that controls pet access to various different locations and / or objects. In a preferred embodiment, the present invention provides an automated system whereby pets are identified by sensors and allowed access to various locations and / or objects, such as food contained within a feeder dish for example. The feeder further includes a door structure and control system that keeps the pet safe through the use of a door which is made up of several repeated panels which together move to cover the food when access is not allowed and having a jam sensing system in order to protect pets from being caught in the closing door. Further embodiments employ the system to control access to litter boxes, pet toys, pet watering systems, pet gate access, pet containment systems or pet doors.

An apparatus comprising a first door panel; a second door panel coupled to the first door panel such that the first door panel and the second door panel form a hollow portion of a door panel assembly; and an insulating material placed within the hollow portion of the door panel assembly. An apparatus comprising a door panel assembly including a front side, a back side, a top side, a bottom side, a left side and a right side; a door frame surrounding the door panel assembly at the bottom side, the left side and the right side of the door panel, the door frame including a bottom portion, a left portion and a right portion; means for magnetically coupling the left side of the door panel assembly to the left portion of the door frame; means for magnetically coupling the right side of the door panel assembly to the right portion of the door frame; means for magnetically coupling the bottom side of the door panel assembly to the bottom portion of the door frame.

A delivery door may include a frame having a slot, an interior flange and an exterior flange. A panel may be attached to the frame and comprise a closed configuration and an open configuration. A securing device may be connected to the frame and the panel. The securing device may be a remote accessed internet enabled lock assembly. In certain embodiments, the panel may have a handle and a stopper. The panel may also be motorized. The delivery door may include a receptacle attached to the internal flange and the frame. The delivery door may be attached to a cut out portion of the structure. The securing device may be controlled from a wireless device.

An inflatable temporary door for sealing the opening of a door frame. The inflatable door has a plurality of openings therein such that power cords, vacuum hoses, or the like are disposed through the inflatable door for use on the opposite side of the door frame. Additionally, the inflatable door has a C-shaped opening so that a person may enter or exit the door without removing the inflatable door. The inflatable door also has a plurality of straps that releasably attach to a bracket that is frictionally engaged to a doorframe to secure he inflatable door within the doorframe.

A pet door including a retracting exterior door revealing a passageway when open and an inner flexible door that covers the passageway.

Described is an animal door for providing an animal a passageway through a structure and for reducing thermal transfer through the passageway. The animal door defines the passageway, which is sufficiently large for the animal to pass through, and is adapted to be secured to the structure such that the animal can pass through the structure by passing through the passageway. The animal door includes at least three flaps disposed at the passageway. The flaps are constructed and configured to reduce thermal transfer through the passageway by reducing both thermal convection and thermal conductivity at the passageway.

A pet door with locking flaps, or lockable pet door. The lockable pet door includes a barrier flap surrounded by one or more locking flaps mounted in the pet door frame. The locking flaps, the barrier flap, and the pet door frame cooperate to provide selective direction control allowing ingress, egress, both, or neither. Each locking flap is independently and selectively attached to the frame of the pet door to prevent movement of the locking flap. Each locking flap defines a through opening. In use, the animal passes through the locking flap on the entry side of the pet door and the locking flap on the exit side moves with the barrier flap. When locked, each locking flap prevents the barrier flap from pivoting to that side of the pet door blocking passage in that direction.

A pet vestibule configured for being attached to a door and to swing open with the door. Vestibule provides a protected shelter area for pets and animals to come and go into a structure without the need for human assistance, while also inhibiting rain, snow, and other inclement weather from entering the structure through the pet door.

A system for controlling escape of pets during emergency, such as a fire, smoke, gas or odor emission, includes a passageway from the inside of the enclosure to the outside thereof. The passageway is normally closed by a door and an apparatus is provided for enabling opening of such door during emergency. A pre-recorded message urges the pet or pets to the open passageway only when the alarm device annunciating such emergency is intermittently disabled. A control apparatus is also provided for enabling passage of the pet or pets through the passageway and annunciates location of the pet or pets with respect to interior or exterior of the enclosure. A method is disclosed for remote operation of the controlled pet door to enhance safety of the pet owner attempting to enter residential dwelling.

An apparatus for defining a tunnel through a wall includes a first elongated tubular section having an outboard end and a distal end. A first peripheral flange extends around at least a portion of the periphery of the outboard end of the first elongated tubular section. A second elongated tubular section has an outboard end and a distal end. A second peripheral flange extends around at least a portion of the periphery of the outboard end of the second elongated tubular section. The cross-sectional shape and dimensions of the second elongated tubular section are sized to slidingly telescope within the first tubular section when the distal end of the first tubular section is inserted through a hole in a first side of a wall and the distal end of the second tubular section is inserted through a coaxial hole in the opposing side of the wall.

A pet door assembly has a frame having an opening defined therein, a flap mounted to the frame for covering the opening and movable to allow a pet to pass therethrough, a cover removably mounted to the frame to cover the opening and prevent passage through the opening, a detector mounted to the frame for detecting when the cover has been removed, and an alarm sound generator mounted to the frame for generating a sound in response to the detector detecting removal of the cover. In another embodiment, there is a cover for a pet door having an alarm which cover may be retrofit onto a pet door assembly of a type having a frame with an opening defined therein, and a flap for covering the opening. The cover is sized to replace an existing cover for the door, and has an alarm assembly mounted on it. The alarm assembly has a detector for detecting when the cover has been removed, and an alarm sound generator for generating a sound in response to the detector detecting removal of the cover. There is also a detector element mountable on the frame for being placed in the proximity of the detector when the cover is mounted on the frame.

A pet door offering ingress or egress through a structural member. A lock mechanism in the pet door allows the pet owner to restrict ingress and / or egress as desired. The pet door features a dual control system that simplifies the setting of the lock. Each control corresponds to movement of the flap in one direction. The dual control system is also designed to be easier to access than a conventional pet door lock mechanism and to be less susceptible to unintentional adjustment resulting from incidental contact with the controls.

A pet door having a locking mechanism for normally limiting ingress and egress, the pet door being adapted communicate with a conventional environmental detector to unlock the locking mechanism when a hazard environmental condition is detected. The pet door is adapted to work in cooperation with either a conventional smoke detector or an improved smoke detector. In one embodiment, a radio frequency (RF) transmitter is used in cooperation with a conventional smoke detector to communicate with a pet door of the present invention. In either embodiment, when the smoke detector detects an event such as the presence of smoke and / or fire such that an audible alarm is sounded, the pet door locking mechanism is unlocked. The pet door is also useful in cooperation with other detectors such as a carbon monoxide detector or a security alarm.

A coded pet specific proximity sensor incorporates a specific coded sensor or transmitter which is removably worn by or attached to a pet. The sensor limits or encourages access of the pet to certain pet items, such as feeding dishes, pet doors, litter boxes, pet toys, pet beds, etc. These pet items comprises corresponding tags which read when the pet is in proximity of them. The sensors can be preprogrammed to let pets access these items at certain times of day only or they can be individually coded to let only certain pets access them in multiple-pet homes.

A pet access door assembly mounts on the screen member of an outer screen door in a residential dwelling structure. The pet access door assembly includes a pair of frame members positionable on opposing sides of the screen member to trap the screening material between the frame members. The frame members are provided with both snap pins and removable fasteners that interengage the opposing frame members to place a high clamping load on the screening material between the frame members. A solid pliable door flap is clamped between the frame members by both the snap pins and the fasteners to allow a hinged movement for ingress and egress of the pet. A security panel is selectively mounted in a grooved receptacle on the inner frame member to prevent passage through the pet door assembly. A magnet secures the bottom of the door flap against the security panel.

A pet door panel insert which has a vertically expandable panel assembly in the upper region thereof installs in a sliding glass patio door or other entity arrangement simply without complicated tools. A positionable structure in the expandable panel assembly is controllingly spaced from a stationary structure of the expandable panel assembly and is actuated upwardly to engage the upper structure of a door frame to sturdily affix the pet door panel insert within the door frame. Opposed vertically adjustable front and rear cover slide plates are frictionally engaged by the upper region of a framework to seal the expandable panel assembly against the outside environment.

An automatic safety gate or security barrier for preventing infant and / or pet from gaining access through passageways. The gate includes a gate member adapted to be mounted to a wall portion and is movable to a closed position to prevent an infant and / or pet from passing through. The locking mechanism of the gate can be deactivated by a human having predefined properties which are measured by at least one sensor of the gate. Deactivating the locking mechanism allows opening of the gate. The gate can also be manually unlocked by means of a handle. In the case of using a motion sensor, the motion sensor range, angle and height can be adjusted in order to accommodate a variety of openings, such as doors, passageways, stairs, etc.

A portable pet portal insert for a sliding patio door includes separate top, center, and bottom modules that can be assembled together through use of tongue and groove fittings therebetween, with the bottom module having a cutout portion adapted for receiving a pet portal, the pet portal including a pivotal flap, a cam operated lock for preventing movement of the flap away from an associated frame, and a weather seal mechanism.

An adjustable pet door having decorative and customizable aesthetic features. The pet door includes subframe assemblies that are connected to each other with fasteners that extend through an aperture defined by a door. The pet door can be adjusted to fit doors of various sizes by varying the number of module core frames disposed between the subframe assemblies. The core frames extend laterally between the subframe assemblies and define a passageway through the door. Decorative frames are releasably attached to the subframe assemblies and can be removed or replaced without having to remove the subframe assemblies from the door. A security panel can be secured to one of the subframe assemblies to prevent animals and intruders from entering a residence through the pet door.

A sealing device for sliding window and door openings with a self-sealing pass-through opening for electrical cords and the like includes a body having a generally planar panel with a pass-through aperture formed therein, and a perimeter frame surrounding the panel, and a self-sealing pass-through seal assembly connected to the panel of the body around and over the aperture. The seal assembly includes a brush seal with a pair of brushes disposed in opposing relation with each having bristles extending toward and meeting each other, and a web seal, formed of a thin flexible membrane with a slit formed therein, overlying the brush seal. Several embodiments of the seal assembly are provided. The panel may be formed of a single transparent pane, of double transparent panes, of screen mesh, or a combination thereof. The body length may be fixed or adjustable.