47 results about "Locking mechanism" patented technology

A hand-held fastener driver for fastening elements, having a driving tappet that is movably mounted in a tappet guide and that can be driven using at least one drive spring element is disclosed, having a tensioner for the drive spring element, and having a locking mechanism. In a locked position of the locking mechanism, the drive spring element can be locked in its tensioned position, whereby the tensioner has a tensioning element that is provided with a profile, and said tensioning element can be axially moved along a longitudinal axis of motion using a rotatable counter-element that is engaged with the profile and that can be driven by a motor.

A prosthetic attachment locking device includes a body and a locking mechanism. The body has an axial hole that extends between a first surface and a second surface. The locking mechanism has a central axle with a pawl that communicates with the axial hole. The pawl is displaceable to selectively engage with an attachment pin received in the axial hole. The locking mechanism has a one-way clutch and a ratchet. The one-way clutch and the ratchet are formed to receive the central axle and permit one-way rotation of the pawl.

A chair operable between an extended configuration and a collapsed configuration includes one or more legs, a handle and a locking mechanism. The one or more legs support a seat and the handle extends away from the seat opposite the one or more legs. The locking mechanism includes a lock plug disposed in an elongate trough. Movement of the handle between the extended and collapsed configurations involves depressing the lock plug and flipping the trough to an opposite side of the lock plug.

The invention relates to a pin connector used for butting with a butting connector. The pin connector comprises a body and a locking mechanism arranged on the body. The locking mechanism consists of a pulling part and a buckling body. The buckling body is provided with a matching part and a buckling part used for buckling the butting connector. Wherein one of the pulling part and the buckling body is provided with a hollow, and the other one of the pulling part and the buckling body is provided with a matching part sunk into the hollow. When pulling backwards, the pulling part enables the matching part to slide to the end part of the hollow and then climb upwards out of the hollow so as to jack up the buckling part upwards, and the self-locking position of the buckling part is driven to move upwards to an unlocking position.

The suspended gun rest includes a pivoting arm adjustably mounted to a rigid support by a mount. The mount comprises an L-shaped bracket with a mounting hole and three holes for adjustment screws. A cradle is provided which includes two strings, a string routing system, a locking mechanism and a spindle. A hook is connected to one end of the pivoting arm. The two strings are connected to the spindle and routed through the cradle by the routing system and attached to the hook on the pivoting arm.

A sawing machine includes a base, a saw arm assembly pivotally connected to the base and having a L-shaped groove defined therein, a saw blade pivotally mounted to the saw arm assembly, a handle pivotally mounted to the L-shaped groove of the saw arm assembly for rotatable movement relative to the saw arm assembly, and a locking mechanism mounted to the handle for locking the handle to the saw arm assembly. Before operation, the handle is adjusted to the best angle that the user can conveniently apply the force, so that the user can operate the sawing machine easily and conveniently.

Mechanisms, devices, apparatus, systems and methods of installing ceiling fan motor housings to ceiling mounted plates without using loose fasteners such as screws, and the like. A plate having a plurality of slots about the perimeter can be pre-mounted to a ceiling. A motor housing having clips on interior perimeter edges of the base can be positioned so that the clips are inserted into the slots. Next, the motor housing can be twisted clockwise until the clips lock to the slots allowing the ceiling fan motor to be hung without any loose fasteners. The twist-lock eliminates unsightly fasteners, such as screws underneath the housing, quickens installation time, and is easier and safer than traditional ceiling fan installation techniques.

The invention discloses an integrated core drilling machine for a single-cylinder double-acting tower crane. The integrated core drilling machine comprises a core drilling machine, a drilling tower and a tower-lifting oil cylinder, wherein the drilling tower comprises a tower body and a drilling tower rotary base; the tower body and the drilling tower rotary base are connected by a hinging shaft and a fastening mechanism of a lifting tower; a drilling tower fixed base is arranged on a rack in the front of the core drilling machine and is connected with the drilling tower fixed base by a rotary shaft which is arranged transversely; steering plates are arranged at a joint of the lifting tower oil cylinder and the tower body and is hinged with the back edge side of the back side of the tower body by a rotary shaft which is arranged vertically; and locking mechanisms matched with the steering plates are arranged on the reverse side and the back side of the tower body. The steering plates are matched with the locking mechanisms, the same hydraulic oil cylinder can lift and drop the tower under the condition that the hydraulic oil cylinder is not added, and an angle of the drilling tower can be adjusted in another direction to fulfill the aim of punching inclined holes, so that the single-cylinder double-acting is realized; and moreover, hoisting equipment and carrying equipment are not needed to fulfill the aim of moving hole positions, so that the costs of dismounting, carrying and assembling the tower are reduced.

A preferred embodiment of the present invention comprises a collapsible folding stand for use with a horizontally oriented object such as a portable table saw that is attached to the stand wherein the stand has a front and a rear portion and is capable of being manipulated between open and closed positions. In the open position, the top frame is horizontally oriented. In the closed position, the stand is generally vertically oriented as is the top frame. To move the rolling stand from its open position to its closed position, the user needs only to lift the handle and the top frame will then move to its generally vertical closed position where the latching mechanism can then be engaged. Because of the mechanism advantage of the folding mechanism, moving between the open and closed positions in either direction requires very little effort by the user. The preferred embodiment has an integrated support leg that can be selectively positioned and locked to provide increased stability and rigidity for the stand. The support leg has a locking mechanism, which when unlocked does not impede the easy movement between open and closed positions in either direction, and which when locked in the open position provides additional stability to the stand. The locking mechanism is operated by a single locking lever and can be adjusted to compensate for wear or degree of force needed to lock the mechanism.

The invention provides a detection method for data collision in a processing data task, and servers, wherein one method is applied in a message center server. The method comprises: responding to a first lock request list which is sent by a processing data server and has a current structured query language SQL script, generating a second lock request list; according to a preset collision detection rule and the second lock request list, detecting whether a current instance and other instances generated by other SQL scripts are conflicted in execution. In the method, through introducing the second lock request list and establishing a heartbeat mechanism with the instances as a unit and a message notification mechanism of lock collision, the number of lock requests is effectively reduced, access pressure caused by a lock mechanism is reduced, and lock request response is improved. The method can also provide convenience for users to check which instances generated by SQL have execution collision with the instance generated by an own SQL.

A protective glove system is disclosed wherein each glove has an articulated thumb skeleton disposed in the thumb member. The thumb skeleton comprises a plurality of sections pivotably joined together to enable the thumb to articulate between open and closed positions. A locking mechanism is provided for preventing the thumb skeleton sections from bending backwards, thereby preventing hyperextension of the wearer's thumb.

The invention discloses a mobile phone camera connector which can be generally used for intelligent mobile phones of any brand. The mobile phone camera connector comprises a mobile phone clip and a connection lens cone, wherein the connection lens cone is rotatably arranged on the mobile phone clip via a rotation arm, a shooting hole position is arranged at one end of the connection lens cone and abutted with a mobile phone camera, the other end of the connection lens cone is configured with a sleeve which can be abutted with an eye lens of an optical device, and a locking mechanism is configured between the mobile phone clip and the rotation arm and can be used for positioning the rotation position of the rotation arm. When the mobile phone camera connector is used, a mobile phone is clamped and fixed by the mobile phone clip, the connection lens cone rotates to a position corresponding to the mobile phone camera and is fixed by the rotation arm, the sleeve is finally sleeved on the eye lens of a telescope, a microscope and the like, and an image in the telescope, the microscope and the like can be acquired by the mobile phone camera. The mobile phone camera connector is very convenient to carry and use, is also low in manufacturing cost, and has relatively high practicability.

The invention discloses a crystal expander, which comprises a base, an inner pressure ring, an outer pressure ring and a limit mechanism. The upper end of the base is provided with a lower pressure plate, the edge of the lower pressure plate is hinged with an upper pressure plate, and the connection between the lower pressure plate and the upper pressure plate is There is a locking mechanism between the upper platen and the middle of the lower platen. There is a round hole corresponding to the middle of the lower platen. The base is provided with a circular crystal expansion plate. There is a heating device inside the disk, steps are arranged around the edge of the upper surface of the expansion disk, the inner ring of the inner pressure ring matches the steps, the inner ring of the outer pressure ring matches the outer ring of the inner pressure ring, and the limit mechanism includes The support rod is vertically arranged on the base, and the limit plate is horizontally rotatable arranged on the top of the support rod. The edge of the lower pressing plate is extended with a mounting plate. The locking mechanism includes a four-bar mechanism and a pressing block arranged on the mounting plate. . The crystal expander of the present invention has the advantages of simple structure, precise control of the expansion degree of the wafer, and the like.

The invention discloses a device and a method for mechanically cleaning an inner wall of a barrel-shaped container. The device comprises a container, a hairbrush chain, a pressing mechanism and an electromagnetic module driving mechanism, wherein the hairbrush chain comprises a second rod member and a third rod member which are connected with a first rod member in a hinge manner; a locking mechanism is arranged between the second rod member and the first rod member; a strong magnetic block is embedded in each of the first rod member, the second rod member and the third rod member; an electromagnetic module is positioned at the outer part of the container; the electromagnetic module driving module is used for driving the electromagnetic module and enabling the hairbrush chain to move around the inner wall of the container; the pressing mechanism is arranged above an operating hole of the container, and acts on the third rod member. The invention discloses a cleaning method. According to the device and the method for mechanically cleaning the inner wall of the barrel-shaped container, the inner wall of the container is mechanically cleaned, the interference of residual substances and scale substances in the container on the concentration and purity of solution matrix substances in the container is eliminated, the manual workload is reduced, and the continuous normal operation of automatic equipment is guaranteed.

An elevator car comprises a ceiling and two bars extending parallel to and spaced apart from each other along the ceiling, wherein each of the bars comprises a first opening and a second opening. Theelevator car further comprises a ceiling panel with two protrusions extending from the opposite sides of the ceiling panel and configured such as to be received within the first openings, thereby allowing for a pivoting motion of the ceiling panel around an axis extending between the two protrusions; and at least one locking mechanism, which is switchable between a locked state and an unlocked state.

A volatile liquid refueling apparatus, which includes a probe, and a receiver including a dual locking mechanism whereby said apparatus can be locked in either an open position or a closed position, and a safety lock which disables or enables access to the dual locking mechanism when manually.

The invention provides a latch hook component, a locking mechanism and an automobile, and relates to the technical field of automobile accessories. The invention aims to solve the problem that the supporting rod of the back door is liable to break because the back door is heavy. The latch hook component comprises a pedestal and a latch hook, wherein the pedestal is fixedly connected with an automobile body; the latch hook is arranged on the pedestal and fixedly connected with the pedestal; the latch hook and a door lock on the back door are arranged oppositely; and an elastic part is arranged on one side, facing towards the door lock, of the pedestal. The latch hook component provided by the invention reduces roar in the automobile caused by vibration of the back door and improves the use performance of the back door.

The invention discloses a safe handstand device. The safe inverted device comprises a support, a handstand plate, an adjusting mechanism, a leg fixing device and a grip handle. A linkage locking mechanism is arranged on the grip handle and comprises a linkage rod and a clamp hook, and when the grip handle rotates around a pivot, the clamp hook can be driven through the linkage rod to separate fromthe support; during restoration, the clamp hook is fixed to the support, and accordingly the handstand plate and the adjusting mechanism are fixed to the support. The safe handstand device has the advantages that at an initial state, namely when the leg fixing device does not fix the legs of a user, the overall handstand device cannot turn over, and thus safety is guaranteed; when the leg fixingdevice works and fixes the legs of the user, the handstand device automatically unlocks and can start assisting the user in handstand; the safe handstand device is safe and reliable in structure, guarantees safety of the user and reduces fear in the heart and possible harm of the user.

The invention relates to a door lock mechanism for an amusement equipment cabin. The door lock mechanism is characterized in that a first clutch component (4) is connected to the lower end of a door connecting part (1), a second clutch component (5) which can slide vertically sleeves a main door spindle (3), matched one-way end-face ratchets in circumferential distribution are arranged on the corresponding end faces of the first clutch component (4) and the second clutch component (5), a spring (7) is arranged at the lower end of the second clutch component (5), and the second clutch component (5) is connected with a pedal (8) through a steel cable (8). The door lock mechanism has the advantages that a passenger can be prevented from unlocking a cabin door from inside, staff can conveniently unlock the cabin door, the passenger can lock the cabin door, and the door lock mechanism is simple in structure, low in space occupation, safe, reliable, and convenient in cabin door locking and unlocking.

The invention provides a ball head joint finger mechanism with flexible connection and hydraulic drive. The ball head joint finger mechanism includes a three-rod two-joint mechanism, a hydraulically driven locking mechanism and a flexible connection mechanism; the three-rod two-joint mechanism includes a first ball head rod, a second ball head rod and a ball socket rod; a ball socket A and a ballsocket B are separately disposed at the two ends of the ball socket rod; the ball socket rod is provided with a ball socket rod through hole along the axis; the flexible connection mechanism includesa first flexible connecting piece and a second flexible connecting piece; the ball head end of the first ball head rod can be matched with the ball socket A and the ball head end of the first ball head rod and the ball socket A are connected through the first flexible connecting piece to form a first ball joint, and the ball head end of the second ball head rod can be matched with the ball socketB and the ball head end of the second ball head rod and the ball socket B are connected through the second flexible connecting piece to form a second ball joint; and the hydraulically driven locking mechanism is disposed in the ball socket rod through hole, and includes a first piston, a second piston and an oil chamber formed between the first piston and the second piston. The ball head joint finger mechanism has the characteristics of combining flexibility and rigidity, the structure is compact, the output force is larger than that under the condition of volume, the action is flexible, and manufacturability is high.

When an intermediate lock by an intermediate lock mechanism is released, one of two lock keys, which restricts a shift in a direction opposite to a direction that valve timing of an intake valve has been controlled by controlling the valve timing of the intake valve to a phase-advance side with respect to an intermediate lock position, is pulled out of an engaging recessed portion. Thereafter, the other of the two lock keys is pulled out of an engaging recessed portion by controlling the valve timing of the intake valve to a phase-retard side with respect to the intermediate lock position. Therefore, the intermediate lock by the intermediate lock mechanism can be released, while avoiding the lock keys from being pushed against the respective engaging recessed portions.

The invention provides a box body foaming rising and shrinking mold. The box body foaming rising and shrinking mold comprises a base, a mold core, four side clamping plates, an ejecting plate, a rising and shrinking mechanism and a locking mechanism; the mold core is arranged on the base, the four side clamping plates of the mold core are arranged around the mold core, the locking mechanism is arranged on the base and is used for locking the mold core, the ejecting plate is arranged on the base and used for ejecting of the mold core, the rising and shrinking mechanism is arranged on the mold core and used for demolding of the workpiece, the rising and shrinking mechanism comprises an air cylinder, the air cylinder is arranged on the mounting plate, the mounting plate is arranged on a fixedbase of the mold core, the mold core comprises a first mold block, a second mold block and a third mold block which are arranged in sequence, the second mold block is arranged on the first mold blockand the third mold block, adjacent mold blocks are in sliding connection through keys and sliding grooves in overlapped slopes, and the first mold block and the third mold block are in sliding connection to the fixed base of the mold core. According to the scheme, demolding is convenient, and mold is convenient to generalize.