Abstract:
A door operator with an electrical back check feature is disclosed. Embodiments of the present invention are realized by a motorized door operator that electrically creates a back check force for an opening door. The door operator simulates the back check normally created by hydraulic means in convention door closers, but without the use of pistons, springs or hydraulic fluid. The door operator includes a motor disposed to operatively connect to a door so that the door will open when the motor moves, and a position sensor to determine a position of the door. A processor is programmed to exert a closing force on the door in the back check region. In some embodiments, the closing force is exerted by injecting a voltage into the electric motor of the door operator.
Abstract:
To obtain a latch device for obtaining a great output load with a small input load.Holding parts (70) are provided on one end of holding members (64), and cam parts (72) are provided on the other end of the holding members (64), with a support part (68) of the holding members (64) as reference, and the cam parts (72) are moved away from each other by way of a rod (74), whereby the holding parts (70) are moved closer to each other. That is, the magnitude of the external force acting on the cam parts (72) can be changed by the movement of the rod (74), and the holding force of the holding parts (70) can therefore be changed with the support part (68) as a fulcrum. In other words, the stroke of the rod (74) and the position of the support part (68) of the holding member (64) are changed, and the distance from the support part (68) to the holding part (70) is made longer than the distance from the support part (68) to the cam parts (72).
Abstract:
A door body holding structure that can hold a door body at an open position by using a simple configuration. A projecting portion 40, which projects toward a containing wall 38 side, is provided on an outer surface of a bearing portion 32 of a fixed-side hinge at a position facing the containing wall 38 where the projecting portion 40 does not come into contact with an inner surface of a guide portion 34 when the door body 18 is at a closed position but the projecting portion 40 comes into contact with the inner surface of the guide portion 34 when the door body 18 is at the open position. A separation dimension between a projecting end of the projecting portion 40 and the containing wall 38 is set to be smaller than a thickness dimension of the guide portion 34. That is, when the inner surface of the guide portion 34 reaches the position at which it comes into contact with the projecting portion 40 by pivoting movement of the door body 18 from the closed position toward the open position, the guide portion 34 is sandwiched and held between the projecting portion 40 and the containing wall 38, thereby holding the door body 18 at the open position.
Abstract:
Brackets for interrupting the opening of a multi-panel garage door and methods for their use, the brackets including a first plate having an inner face and an outer face, a pin located on the outer face of the first plate, and a protrusion associated with the first plate, the protrusion and pin defining a gap capable of accepting a garage door opening cable.
Abstract:
The invention pertains to a method of motorized movement of a vehicle door, wherein the vehicle door can be moved from an open position to a closed position as part of a closing process, wherein a door drive mechanism associated with the vehicle door and a control system are provided, wherein the vehicle door can be moved in the direction of closing starting from the open position using the door drive mechanism. It is proposed that in a first section of the closing process the vehicle door is moved by the door drive mechanism from the open position to a comfortable open position that lies between the open position and the closed position, and that in a second section of the closing process, the vehicle door is further moved from the comfortable open position in the direction of closing, preferably to the closed position, manually by the user and largely free of the door drive mechanism.
Abstract:
A bearing device for sliding panels particularly for furniture is described which comprises: two sections (4) fixed at one end thereof at the upper cross-bar and at the other end thereof at the lower cross-bar of the piece of furniture respectively, by hinge means; a telescopic sliding guide (5) fixed to each of the sections (4) on the side where the panel (2) is located, the panel being slidably fixed to the telescopic guide (5). Means (11,13) for stopping the rotations of the sections (4) are placed substantially at the end of the sections which is opposite to the hinge means. The device also comprises elastic return means (22) connected at one end to a fixed portion (20) of the piece of furniture and, at the other end, to a pin (24) set in the sections (4). The elastic means are adapted to place and retain the panels (2) in their closed and open positions respectively. The elastic means comprise a spring (22), a small shaft (17) supporting the spring, the shaft being rotatably set in a plane substantially parallel to the plane of rotation of section (4). The shaft has one end rotatatively connected around a portion (20) of a pin (11), perpendicular to the plane of rotation of the section (4), the other end being slidingly set within a pin (24), parallel to the pin (11). The pin (11) is rotatively set around its longitudinal axis in the sections (4).
Abstract:
In an opening control device in a vehicle door, in order to stop the door at a desired position, a control unit stops power supply to a motor, and a short circuit is made in an electric circuit between a first terminal and a second terminal of the motor. In the electric circuit, there is formed a regenerative brake circuit in which regenerative braking can be applied to rotation of the motor. When the door is positioned within a fully-open-position-adjacent range that is adjacent to a fully-open position of the door, regenerative braking is applied to normal rotation of the motor for opening the door and is not applied to reverse rotation of the motor for closing the door.
Abstract:
An adjustable snap-acting hinge is provided. The hinge includes a first articulated quadrilateral and a second articulated quadrilateral, which can move on a working plane and share a first lever and a second lever and are provided respectively with a plate for coupling to a first element and with a plate for fixing to a second element. A contrast element is associated with the coupling plate and can be arranged in at least one position for use, which lies between a first position in which the contrast element is arranged at a maximum distance from the point of the first lever, and a second position in which the contrast element is arranged at a minimum distance from the point of the first lever. The hinge also includes locking means for keeping the contrast element in the position for use.
Abstract:
A method of motorized movement of a vehicle door, wherein the vehicle door can be moved from an open position to a closed position as part of a closing process with a door drive mechanism associated with the vehicle door and a control system. In a first section of the closing process the vehicle door is moved by the door drive mechanism from the open position to a comfortable open position that lies between the open position and the closed position. In a second section of the closing process, the vehicle door is further moved from the comfortable open position in the closing direction, preferably to the closed position, manually by the user and largely free of the door drive mechanism.