An emergency door closing device that can be installed upon existing doors and hinges to automatically close doors in the response to smoke and fire. The improvements incorporated therein include a hinge cam pivot member that attaches to an existing hinge member of a door and produces a moment force about the existing hinge member allowing a reduced force necessary to pivot the door into a closed position. Further, a novel spring, cam, and lever system is incorporated to activate the moment force to close the door.

A door lock with a reinforced fireproof effect includes a lock body mounted on a door and inner and outer operating units mounted to two sides of the door, respectively. The lock body includes inner and outer chassis made of ferrous material or stainless steel having a melting point higher than 1300° C. Inner and outer fixing members coupled with the inner and outer chassis are also made of ferrous material or stainless steel. Thus, these components of the door lock are less likely to melt during a fire, reducing the spreading speed of the fire.

An overhead door system is disclosed, which includes a first track and a second track mounted on opposite sides of an opening. Each track has a vertical portion, a transition portion, and a horizontal portion, with the transition portion being between the vertical portion and the horizontal portion. An overhead door engages the first and second tracks on opposite sides of the overhead door and is movable along the first and second tracks between a closed, vertical position and a raised, horizontal position. A motor unit has a motor that is mounted above the horizontal portions of the first and second tracks. A rail is parallel to and disposed between the horizontal portions of the first and second tracks. The rail carries a carriage configured to move in a first direction to raise the overhead door and in a second, opposite direction to lower the overhead door. A connecting member is pivotally attached at one end near a top edge of the overhead door and attached at an opposite end to the carriage. A one-way bearing is disposed between the motor and the carriage. The motor, as it rotates in a first rotational direction, applies force to the carriage to move the carriage in the first direction to raise the overhead door. Nevertheless, owing to the one-way bearing, the motor, as it rotates in a second, opposite rotational direction, does not apply force to the carriage to move the carriage in the second direction to lower the overhead door. A kit to retrofit an overhead door system with a one-way bearing is also disclosed.

A washing machine includes a cabinet defining a lateral direction, a transverse direction, and a vertical direction. The lateral, transverse, and vertical directions are mutually orthogonal. The washing machine appliance also includes a top panel on the cabinet that defines an opening. A wash chamber is defined within the cabinet below the opening of the top panel. The washing machine appliance also includes a lid which is rotatable through a plane defined by the transverse direction and the vertical direction between a closed position to sealingly enclose the wash chamber and an open position to permit access to the wash chamber. A hinge rotatably connects the lid to the top panel. The hinge defines a compound pivot axis. The lid rotates relative to the top panel about the compound pivot axis.

There is provided a device to rotationally secure a member with respect to a base. The member is connected to an axle having an ellipse-shaped cross section through an elliptical or truncated-oval cavity for receiving the axle. As the member rotates, different tensions are experienced by the spring based on the orientation of the ellipse-shaped cross section with respect to the orientation of the cavity, thereby providing preferred orientations for the rotating member.

A system for opening and closing a sliding vehicle door includes a vehicle door that engages with the body in the closed position. A longitudinal track is fixedly mounted to an interior of the vehicle door. A hinged bracket is fixedly mounted to the vehicle body adjacent an opening defined by the vehicle body. The hinged bracket has a laterally compressed shape when the door is closed, and expands laterally outward when the door is opened. The door and the track fixed thereto slide longitudinally along the opened hinged bracket when the door is opened. The interface between the hinged bracket and the track remains at the same generally location relative to the vehicle body, and shifts relative to the vehicle door when the door is opened.

An object moving mechanism includes: a supporting device that supports a back door; and a driving device that moves the back door. The driving device includes: a driving motor; an operating member that operates in a forward and backward direction by drive of the driving motor; and a driving-device-side energizing member that energizes the back door. The supporting device includes: the third connecting portion that connects to the operating member; a driven member that is driven by an operation of the operating member; a supporting-device-side energizing member that energizes the driven member; and a regulation mechanism that restrains or allows movement of the driven member. The regulation mechanism allows the driven member to be driven by operating force of the operating member by the drive of driving device, and restrains the driven member from being driven by movement of the operating member with energizing force of the supporting-device-side energizing member.

A vehicular door device includes an inclinable lever provided at an open-side end portion of a door opening being opened and closed by a door, based on an operation of a link mechanism formed of first and second link arms, a biasing member that biases the inclinable lever and holds the inclinable lever in an erect state, and a check mechanism that engages with the inclinable lever in the erect state by movement of the door to a full opened position, and holds the door at the full opened position. The first link arm is provided at a position close to the open-side end portion of the door opening by an opening operation of the door, and the check mechanism is provided integrally with the first link arm. Then, the inclinable lever is stored in a clearance between the door and the open-side end portion of the door opening.

A structure for assisting with opening and closing of a lower door includes a lower door having an upper end configured to be rotated open with respect to a bottom surface of a vehicle body, and a rotary unit configured to be fixed to the bottom surface of the vehicle body and configured to rotate in opposite directions to assist with opening and closing of the lower door.

A multi-body device includes a first machine body, a second machine body, a rotating member, a first magnetic member, a second magnetic member, and a stopper. The second machine body is pivoted to a pivot side of the first machine body. The rotating member is pivoted to the pivot side of the first machine body and located beside the second machine body. The first magnetic member is disposed at the second machine body. The second magnetic member is disposed at a portion of the rotating member corresponding to the first magnetic member. Two corresponding ends of the first magnetic member and the second magnetic member are magnetically repulsive to each other. The stopper is driven by the second machine body and disposed at the pivot side of the first machine body, so as to stretch into or retreat from a rotation path of the rotating member.