A handle mechanism is to be mounted on a slidable plate and to slide the slidable plate relative to a chassis. The handle mechanism includes a handle and an engagement component. The handle is adapted to be pivotably disposed on the slidable plate so as to have an engaged position and a disengaged position. The engagement component is slidably disposed on the handle and adapted to contact the chassis to slide the slidable plate into the chassis. The engagement component has a contact surface, and the contact surface has an edge located away from an axis of the handle. A distance between the edge of the contact surface of the engagement component and the axis of the handle in the engaged position is smaller than a distance between the edge of the contact surface of the engagement component and the axis of the handle in the disengaged position.

A rotating cylinder applied to a lock is disclosed. The rotating cylinder is configured to guide a transmission element of the lock and defining a central axis. The rotating cylinder includes an opening, an inner wall, a first guiding structure, a second guiding structure and an engaging groove. The inner wall is communicated with the opening. The first guiding structure is formed on the inner wall and includes a first curved surface. The second guiding structure is formed on the inner wall and opposite to the first guiding structure. The second guiding structure includes a first curved surface. The engaging groove is formed between the first guiding structure and the second guiding structure. The first curved surface of the first guiding structure and the first curved surface of the second guiding structure are closer to the opening than the engaging groove.

The invention relates to a swivel lever device for actuating a closure apparatus, in particular a bolt-closure means and/or bar-closure means, of an access control device, in particular a door and/or hatch, having: a housing for fastening the swivel lever device, in particular to the access control device, and a swivel lever for actuating the closure apparatus, the swivel lever be movable relative to the housing between an arresting position and an actuation position for actuating the closure apparatus, the swivel lever in the actuation position being pivotable about an actuation axis relative to the housing, a locking mechanism for securing the swivel lever against unauthorised movement from the arresting position into the actuation position being provided, and the locking mechanism comprising at least one locking element, which can be moved between a locked position for interlockingly blocking the movement of the swivel lever from the arresting position to the actuation position and an unlocked position for releasing the movement of the swivel lever from the arresting position into the actuation position. To achieve better protection against damage and contamination, according to the invention the locking element includes at least one locking magnet for moving the locking element from the locked position into the unlocked position by means of the magnetic interaction between the locking magnet and at least one unlocking magnet of a corresponding key unit.

A piezoelectric energy harvester system for collecting kinetic energy is provided, wherein the kinetic energy is converted into electrical energy, and wherein at least a portion of the converted electrical energy is utilized to operate a load. The system comprises an energy input portion and an energy harvesting portion. The energy input portion includes an input member configured to be actionable by an outside force. The energy harvesting portion includes a capture member, a sprocket portion, and a piezoelectric energy harvester. The capture member is adapted for receiving mechanical input from the input member. The sprocket portion is disposed for movement with the capture member. The sprocket portion includes at least one radially disposed sprocket actuator configured for making contact with and exciting the piezoelectric energy harvester. The piezoelectric energy harvester is excited by the contact to produce the kinetic energy.

A transmission mechanism applied to a lock and for controlling the lock to switch between an unlocked state and a locked state. The lock includes a first handle set including a first cover plate which includes a first fitting portion. The transmission mechanism includes a transmission element and a moving component. The transmission element is connected to the first handle set in a manner that the transmission element is incapable of moving along a rotating axis and has an abutting portion. The moving component is disposed on the transmission element in a manner that the moving component is capable of moving along the rotating axis and includes a first engaging groove, a second engaging groove and a second fitting portion. When the transmission element is operated to rotate, the abutting portion is capable of switching between the first engaging groove and the second engaging groove.

A locking device includes a lever configured to sway around a rotation axis and including a restriction part restricting an operation of a handle, a hole, and an attaching portion where a moving member configured to move in accordance with an operation of an actuator is attached; and a pressure member disposed in the hole and configured to make a first back-and-forth movement in accordance with an unlocking operation of a key. The pressure member moves the restriction part from a position for restricting the operation of the handle to a position for allowing the operation of the handle by swaying the lever around the rotation axis by pressing a first portion which is a portion of the hole in a forward movement of the first back-and-forth movement, and moves away from the first portion without swaying the lever in a backward movement of the first back-and-forth movement.

A locking device includes a lever configured to sway around a rotation axis and including a restriction part restricting an operation of a handle, a hole, and an attaching portion where a moving member configured to move in accordance with an operation of an actuator is attached; and a pressure member disposed in the hole and configured to make a first back-and-forth movement in accordance with an unlocking operation of a key. The pressure member moves the restriction part from a position for restricting the operation of the handle to a position for allowing the operation of the handle by swaying the lever around the rotation axis by pressing a first portion which is a portion of the hole in a forward movement of the first back-and-forth movement, and moves away from the first portion without swaying the lever in a backward movement of the first back-and-forth movement.

A handle (100), having: an escutcheon (106) having a recessed area (300); a lever (104) pivotally mounted toward the top end of the escutcheon and at least a portion of the lever is disposed within the recessed area when in a lever closed position (102); a first gear (310) operatively connected to a top side (312) of the lever and a portion of the first gear including gear teeth (320) extending through an opening (360) in the escutcheon; a second gear (324) mounted on a back (130) of the escutcheon and having cam teeth (322) that mesh with the gear teeth of the first gear; a cam latch (140) operatively connected to the second gear to rotate when the second gear rotates; and, a lock assembly (146) mounted to a bottom end (202) of the lever.

A handle (100), having: an escutcheon (106) having a recessed area (300); a lever (104) pivotally mounted toward the top end of the escutcheon and at least a portion of the lever is disposed within the recessed area when in a lever closed position (102); a first gear (310) operatively connected to a top side (312) of the lever and a portion of the first gear including gear teeth (320) extending through an opening (360) in the escutcheon; a second gear (324) mounted on a back (130) of the escutcheon and having cam teeth (322) that mesh with the gear teeth of the first gear; a cam latch (140) operatively connected to the second gear to rotate when the second gear rotates; and, a lock assembly (146) mounted to a bottom end (202) of the lever.

A mechanism for selectively coupling a first moving part with a second moving part. The mechanism includes and engaging member that is movable between a detent position, a uncoupled position, and a coupled position in which the load transferring surface is within the aperture. A biasing member biases the engaging member into the detent position or coupled position. The engaging member overrides the biasing force and moves out of the detent position into the uncoupled position when first and second moving parts move relative to each other. When the engaging member is in the coupled position, the first and second moving parts are coupled for movement together. One embodiment of the invention is a child safety door handle rotating on a spindle. Other embodiments include water faucets, stove or burner controls, or any other rotatable or movable parts.