103results about "Hydraulic/pneumatic locking actuators" patented technology

A latch assembly having at least one control element having a first path of motion in which a ratchet is moved to an unlatched position and a second path of motion in which the ratchet is not so moved, the path of motion taken by the control element dependent upon whether an engagement element is engaged with the control element or disengaged therefrom. Preferably, the control element moves the ratchet by contact with a pawl which itself can be engaged with the ratchet. In a preferred embodiment of the present invention, the control element can be partially or fully actuated through its second path of motion while still being engagable with its engagement element. If already partially or fully actuated through its second path of motion, the engagement element is preferably movable into contact with the control element and can move the control element to its first path of motion. The latch assembly can have a second control element also having first and second paths of motion determined at least partially upon whether an engagement element is engaged with the second control element or disengaged therefrom. The second control element can be connected to the first engagement element to move the first engagement element into and out of engagement with the first control element when the second control element is actuated in its engaged state.

A locking device for attachment to a fixed portion of a transit vehicle door system is for locking one or more doors of the transit vehicle door system in either a fully locked position or a pushback lock position. The locking device has a simple lock arm, biased toward the locking position and rotatably attached to the fixed portion of the transit vehicle door system at a first pivot of the rotary lock arm, the rotary lock arm having at least one door engagement portion for engaging a portion of the door(s) for locking the door(s) when the rotary lock arm is in at least one of the locking position and the pushback position thereof. A linear actuator, rotating the lock arm to the unlocked position when energized, is attached to the fixed portion of the transit vehicle door system and connected to a second pivot of the lock arm, said second pivot offset from the first pivot. A lock actuator sensing switch provides a feedback on the actuator position to the transit vehicle control system. Means are provided within linear actuator to manually rotate lock arm toward unlocked position for opening doors during an emergency.

The invention relates to a door handle (10) for a vehicle door of a motor vehicle, with a removable cover element (11), in particular for covering a lock cylinder (101), wherein the lock cylinder (101) is provided for unlocking and locking a door lock, and wherein the cover element (11) can be transferred between at least two positions (I, II), specifically a covered position (I), in which in particular the lock cylinder (101) is covered by the cover element (11) so as to be inaccessible from the outside, and an open position (II), in which in particular the cylinder lock (101) is uncovered by the cover element (11), and a tension means (12) for actuating the door lock, wherein the tension means (12) can be mechanically operatively connected with the cover element (11) in the open position (II) of the cover element (11), so as to actuate the door lock by pulling on the cover element (11). It is also possible to initially detach the tension means from the cover element, for example by undoing a corresponding connection between the tension means and cover element, such as a form- and/or force fitting connection, clip and/or clamp connection, bayonet connection or the like, and then initiate the opening process directly on the tension means. To this end, the invention proposes that a triggering device (14) be provided for the cover element (11), so as to automatically transfer the cover element (11) into the open position (II), in particular in an emergency situation.

Disclosed is a vehicle doors closer comprising a working unit of a vehicle doors closer, comprising a housing, having at least two mounts with clamping holes; at least two guiding elements fixed within the housing; a movable rack with a lock plate, placed within the housing of the door closer so as to move along the guiding elements; an actuation mechanism, transmission element transmitting power from the actuation mechanism to the working unit, connected with one end to the movable rack with a lock plate of the working unit, and connected to the actuation mechanism with the other end; a state detector; a control unit; and a bracket placed on the car body.

The invention discloses a control device for a coach emergency escape door. The control device for the coach emergency escape door comprises a rotary disc, a pull line and an active telescopic device, the rotary disc is mounted on a machine frame by a rotary shaft, one end of the pull line is mounted on the edge of the rotary disc in the circumference direction of the rotary disc, the other end of the pull line is connected with an escape door lock-up mechanism, one end of the active extend-retract device is hinged to the machine frame, and the other end of the active telescopic device is hinged to the rotary disc. The control device for the coach emergency escape door has the advantages of being high in control speed and safety, practical and reliable and the like.

The invention relates to a semiautomatic pneumatic lock and a working method thereof. The semiautomatic pneumatic lock comprises a lock shell and a lock shell cover. A lock pin penetrates the lock shell. An air cylinder is arranged in the lock shell. A spring is arranged at the top end of a piston rod of the air cylinder. The piston rod is fixedly connected with the lock pin. According to the semiautomatic pneumatic lock, the spring is arranged at the top of a piston, the air inflation state is the unlocking state, and the locked state is maintained even if the air way is cut off, so that safety is higher. The semiautomatic pneumatic lock is simple in structure, high in stability and high in safety; the semiautomatic pneumatic lock still can work normally under the serve conditions such as the extreme temperature and strong vibration.

The invention discloses an electric auxiliary lock. The electric auxiliary lock meets the requirements of high air impermeability and low noise needed by double sliding plug doors. According to the technical scheme, the electric auxiliary lock is characterized in that a pneumatic element, an operating rod and a spring bolt are arranged on a base, the operating rod is provided with an operating block, and the pneumatic element drives the operating rod to rotate, enables the operating block to make contact with the spring bolt and can drive the spring bolt to realize rotation and compression. The electric auxiliary lock further comprises a first resetting mechanism enabling the operating rod to be reset and a second resetting mechanism enabling the spring bolt to be reset. The pneumatic element has the advantages that the noise is low and the air impermeability is good; according to needs, the first resetting mechanism can make the operating rod return to the unlocked state fast, and the second resetting mechanism can make the spring bolt return to the unlocked state fast.

A hood lifting assembly according to various implementations includes a re-latching feature that allows two slidably coupled plates to be reset, or locked, relative to each other by moving a head of a pin into a keyhole opening of a keyhole slot defined in one of the plates. In an initial position, the head of the pin is spaced apart from the keyhole opening, allowing the pin to move along the keyhole slot from the initial position to a deployed position and then to a reset position. In other implementations, a hood lifting assembly includes an energy absorbing feature. One exemplary energy absorbing feature includes a plate defining an elongated slot that has a narrowed width portion through which a pin travels during movement from the initial position to the deployed position.

The invention provides an electric luggage compartment door. The electric luggage compartment door is provided with a frame and a compartment door body; bearing seats are fixed to the parts, close tothe compartment door body, of the upper parts of the left side and the right side of the frame; the two bearing seats support a rotating shaft; curved swinging arms are fixed to the two ends of the rotating shaft; the ends of the swinging arms are movably connected with the middle part of the back of the compartment door body; each of the left side and the right side of the top of the frame is movably connected with a compartment door body electric strut and a first gas spring; the compartment door body electric struts and first gas springs have the identical inclination degrees and are parallel; the end of the compartment door body electric strut and the end of the first gas spring which are on each side are movably connected with the top surface of the upper part of the corresponding swinging arm; the middle parts of the left side and the right side of the frame are movably connected with second gas springs; the ends of the second gas springs are movably connected with the side surfaces of the upper parts of the corresponding swinging arms; at least one door lock is arranged on each of the left side and the right side of the compartment door body; and door lock tensioning mechanisms are arranged on the left side and the right side of the frame. The electric luggage compartment door is simple in structure and convenient to mount, the space usage rate of a luggage compartment is increased substantially, it is guaranteed that the compartment door body is normally opened and closed, and the electric luggage compartment door has the good opening-closing performance.

The present invention relates to a locking system, in particular a locking system for an aircraft, having at least one locking means which can be moved into at least one first position and into at least one second position, with the locking system having at least one switching apparatus by means of which the achieving of a defined end position of the locking means can be ensured and/or the locking system can be monitored.

The current disclosure relates to a tank trailer for transporting meat packaging by-products. The tank trailer has a cylindrical body having a sloped rear end. An opening is formed in the sloped rear end, and a gate selectively blocks the opening. A locking mechanism is provided to securely lock the gate to the cylindrical body, thereby sealing the cylindrical body. The sloped rear end forms a chute through which meat by-products can be poured. The chute extends for a distance rearwardly of the trailer's rear wheel assembly.

The invention relates to a bottom door opening-closing mechanism, a vehicle body and a hopper car. The bottom door opening-closing mechanism comprises an opening-closing lever, multiple connectors, two bottom door end plates, two hoisting bases, two operation levers, two lever round pins, two locking plates, two locking plate round pins and two bottom door locking pins. The vehicle body comprisestwo side wall assemblies, two end wall assemblies, a top cover assembly and a bottom frame assembly, and two bottom door opening-closing mechanisms. The two bottom door opening-closing mechanisms areinstalled at two sides of the vehicle body. The bottom door opening-closing mechanism can open or close a bottom door plate at one corresponding side in the bottom frame assembly. The bottom door opening-closing mechanism is capable of realizing the independent opening-closing control of the bottom door plates at the left and right sides of the vehicle body, simplifying an operating process, and improving discharging efficiency.

The invention relates to an escape window, a working method thereof, a security and protection system and a compartment. The escape window comprises a window opening driving mechanism, a main window frame and a sub window frame located in the main window frame, wherein the window opening driving mechanism is used for driving the sub window frame to open outwards. According to the escape window provided by the invention, the sub window frame is automatically opened through the window opening driving mechanism, and the escape window can be opened quickly without damage to window glass. Moreover,the window opening driving mechanism is simple in structure and convenient to operate. The escape window is applicable to a parallel shift-up escape window. When people escape through the escape window, the constraint of the size of the space outside a car is little. Moreover, the escape window is small in occupied space, thereby having little influence on other cars and pedestrians around the car.

A recreational vehicle (RV) with a central actuator that controls locking and unlocking of a plurality of access doors. Each of the access doors has a locking member that is interconnected to the central actuator. Thus, the central actuator may be configured to lock or unlock selected group of doors simultaneously. The central actuator is located inside the RV, and controlling input to the central actuator may be from a remote transmitter, or by direct manipulation of the central actuator. The locking members and the central actuator may be linked mechanically, electromagnetically, hydraulically, pneumatically, or in any number of ways. The central actuator advantageously permits an RV user to lock or unlock groups or all of the access doors simultaneously while inside the RV, or by using the remote transmitter.

The invention discloses a built-in sliding plug door system of a high-speed motor train unit. The system comprises a door leaf, a bearing driving mechanism and a pressing and locking device, the bearing driving mechanism is arranged at the top of the door leaf, the pressing and locking device comprises single-point pneumatic pressing and locking devices and a linkage pneumatic pressing and locking device, and the single-point pneumatic pressing and locking devices are arranged on the two sides of an inlet of the vehicle body; the linkage pneumatic pressing and locking device comprises an upper linkage pressing and locking device and a lower linkage pressing and locking device which are arranged at the upper end and the lower end of the door leaf respectively. Multi-point locking is achieved through the pressing and locking device, the door system is prevented from deforming in the working process, and the safety and the sealing performance of high-speed running of the train are guaranteed; a 90-degree plugging and pulling mode is adopted, and plugging and pulling adjustability is achieved.

The present invention discloses a locking mechanism for a container and a container. The locking mechanism comprises a lock rod constructed such that it can rotate between a first opening position and a first locking position; a locking member, one end of which is fixedly connected to the lock rod, and the other end of which can cooperate with a door of the container when the locking mechanism is mounted onto the container, the locking member can separate from the door when the lock rod rotates to the first opening position, and the locking member can lock the door when the lock rod rotates to the first locking position; a slide block capable of reciprocating movement; and a first drive linkage, one end of which is connected to the slide block, and the other end of which is fixedly connected to the lock rod, wherein the reciprocating movement of the slide block can drive the lock rod to rotate between the first opening position and the first locking position through the first drive linkage. This locking mechanism is characterized by simple operation and low costs, and has an adequate drive distance.

The invention discloses a two-stage unlocking mechanism for an engine cover. The two-stage unlocking mechanism for the engine cover comprises an automobile body. The engine cover is arranged on the automobile body. An engine cover two-stage lock is arranged on the inner side of the engine cover. The two-stage unlocking mechanism for the engine cover further comprises a fixed base. The fixed base is connected with a support through a rotary shaft. The support is sequentially provided with a first air cylinder, an unlocking rod and a guide groove. The fixed base and the support are connected through a second air cylinder. The two-stage unlocking mechanism which is simple in structure, reliable in performance and convenient to install and maintain is provided for an opening and closing endurance test conducted on the automotive engine cover.

A recreational or utility vehicle system comprising a motorized member that allows for opening of a cargo door utilizing motorized movement to release the cargo door as well as a manual activation device that allows for opening of the cargo door in a manual and mechanical manner. In one arrangement, the recreational or utility vehicle system provides the convenience of opening the cargo door by a simple press of a button which activates the motorized movement. This arrangement also provides for opening of the cargo door when the motorized member fails or when power is unavailable.

The invention discloses a lightweight sliding plug door system used for electric multiple units (EMUs). The lightweight sliding plug door system comprises a side vertical integrated mechanism, a sealing door frame, a load-bearing driving mechanism, a mounting frame, a door leaf, an internal emergency unlocking mechanism, an external emergency unlocking device and a step board, wherein the sealingdoor frame is mounted at an EMU door mounting area by bolts and used for sealing the door leaf when the door leaf is closed and locked; the side vertical integrated mechanism is positioned on one sideof the sealing door frame and mounted at the side of the EMU door mounting area by the bolts; the mounting frame is positioned above the sealing door frame and mounted on the upper edge of the EMU door mounting area; the load-bearing driving mechanism is mounted on the mounting frame; the door leaf is connected to the load-bearing driving mechanism by the bolts; and the load-bearing driving mechanism is used for driving the door leaf to be closed or opened. The lightweight sliding plug door system used for the EMUs is compact in structure, light in weight, suitable for the high-speed EMUs, high in energy utilization efficiency and reduced in power consumption, can achieve the energy saving purpose and has good application prospects.

A motor vehicle is disclosed having a safety system that includes an electronic controller controlling an electronically controlled mechanism in response to inputs from a number of rear parking sensors to prevent movement of a rear closure of the motor vehicle in a closing direction when more than one object is sensed to be within a rear protection zone and the rear closure member is in a fully open position.

The invention discloses an emergency unlocking device for a door system. The emergency unlocking device for the door system comprises an assembled unlocking support, a resetting torsional spring, a lead screw, a slide way, a wedge block, a locking torsional spring, a nut assembly, a transmission rack, a motor, an air cylinder, an air cylinder support, a connecting assembly, a support frame, a linkage rack, a roller, an unlocking rotating shaft, a switch assembly, a retainer ring, an unlocking spring, an anti-friction ring, a buffer head and a pull rod. By the emergency unlocking device for the door system, the door system can be ensured to be unlocked automatically under the condition that the door system does not have electricity or gas, so that a door leaf can be unlocked effectively under the emergency condition, and remote electric unlocking can be realized. The emergency unlocking device for the door system has few parts, is simple in structure and convenient to assemble, and has good application prospect.