63results about How to "Avoid reciprocating motion" patented technology

An open electrosurgical forceps includes a pair of first and second shaft members each having a jaw member disposed at its distal end. The jaw members are movable from a first position in spaced relation relative to one another to a subsequent position wherein the jaw members cooperate to grasp tissue. Each of the jaw members includes an electrically conductive scaling plate for communicating electrosurgical energy through tissue. A curved knife channel is defined along the length of one of the jaw members and is dimensioned to reciprocate a cutting mechanism. An actuator selectively advances the cutting mechanism from a first position proximal to tissue held between the jaw members to a subsequent position distal to tissue held between the jaw members. The cutting mechanism includes a generally hourglass-shaped flexible blade having a mutually aggregating notch.

A device and method is provided for easily and readily converting a semi-automatic firearm to a fully automatic firing firearm. An additional method is provided for preventing the conversion of a semi-automatic firearm to an automatic firing firearm.

A manually operated, vertically reciprocating liquid pump dispenser is removably connectable to a bottle containing liquid and simultaneously pumps liquid from the bottle and air from the exterior environment of the dispenser and mixes the liquid with the air to produce a foam that is dispensed from the dispenser. The dispenser includes a closure connector and a rotatable collar on the connector that provides a mechanism for venting the interior of the bottle to the exterior environment of the dispenser while avoiding leakage of the liquid from the bottle, and also incorporate a mechanism for locking the dispenser to prevent unintended pumping of liquid from the bottle.

The invention provides a press-fitting device of a battery cover cap. The device comprises an operation table, a conveyor belt is arranged on the operation table, a pressing and fitting table frame which extends along the direction of the conveyor belt is arranged above the conveyor belt, a clamping block is arranged on the inner wall of the press and fitting table frame, the clamping block is provided with at least one clamping hole allowing a spiral screw rod to penetrate through, and the spiral screw rod is connected with a press fitting head; and a supporting column is arranged on one side, of the conveyor belt, behind the press fitting head in the direction of the conveyor belt, a sucking head which is capable of being telescopic is arranged on the supporting column, and a plurality of battery fixing devices are further arranged on the conveyor belt. By adopting of the design, the automation degree is more accurate and efficient on the basis that automation electric appliance elements are reduced as much as possible, so that manufacturing cost and maintenance cost are indirectly reduced.

A slide block mechanism for a semi-automatic pistol that locks the slide in battery and prevents the slide from reciprocating when the pistol is discharged. The slide block mechanism consists of a pair of aligned notches formed in the bottom edge of the slide and the top of the frame, and a pivoting slide block lever mounted to the frame that selectively seats within either of the aligned notches. The slide block lever can be manually switched to engage and disengage the slide block mechanism and is independent of the fire control and slide stop assemblies. The slide block lever has a protrusion that seats within the slide notch when engaged to prevent the slide from moving rearward and seats within the frame notch when disengaged for allowing normal operation of the slide.

A manually actuated pump sprayer adapted to be mounted on a container of liquid to be sprayed upon pump actuation is provided, and includes a plunger head having a side wall containing a discharge orifice. The plunger head may be reciprocable relative to the pump sprayer. An overcap may be independently rotatably disposed on the plunger head, and include a side wall overlying the discharge orifice in a condition of non-use. The side wall may include an opening disposable in alignment with the discharge orifice upon rotation of the overcap relative to the plunger head. A container closure may be provided for affixing the plunger head and the overcap relative to the container. The plunger head may be axially reciprocable relative to the container closure and may otherwise be locked relative to the container closure when in first and second orientations.

An inflator (10) for a vehicle airbag module comprises an external housing (12) in which a combustion chamber (36) is formed, wherein the inflator (10) can be supported to be oscillating on a body-side component of the vehicle, especially on a component of the airbag module. Inside the external housing (12) a separate balancing weight (58) is arranged for adjusting the vibration behavior of the inflator (10), wherein the balancing weight (58) has no further inflator-specific function. In an airbag module for a vehicle including such inflator (10) the latter is supported by its retaining means on another component of the airbag module so that it is adapted to oscillate about a suspension plane.

The invention discloses a safe energy-saving bilateral elevator which comprises a first elevator car, a traction rope, traction machines and a PLC control system. One end of the traction rope is connected with the first elevator car and is subjected to traction of the traction machines, and the PLC control system is connected with the traction machine. The safe energy-saving bilateral elevator further comprises a second elevator car connected with the other end of the traction rope and an elevator car call box. The elevator car call box comprises a box body, an ARM processor, a key module, a fingerprint module, a power supply module, a display module, a first infrared transmitter and a second infrared transmitter. The ARM processor is connected with the PLC control system, and the key module, the fingerprint module, the power supply module, the display module, the first infrared transmitter and the second infrared transmitter are connected with the ARM processor. The first elevator car and the second elevator car are respectively provided with a first infrared receiver and a second infrared receiver which are connected with the PLC control system. The safe energy-saving bilateral elevator is quick and convenient to operate, high in safety and capable of preventing vibration from being produced in the elevator cars when suddenly stopping.

The invention discloses a novel quick printing spray head. The novel quick printing spray head comprises an extruding tube which is vertically arranged, a screw which is inserted into the extruding tube, a stock holder for storing printing materials, a ring-shaped spray nozzle, a movable valve, a motor for driving the screw to rotate, a motor for driving the valve to move, and a heating apparatuson the outer wall of the spray nozzle, wherein the movable valve is mounted inside the spray nozzle; the movable valve is connected to the motor for driving the valve to move through a rolling ball lead screw, and the motor can be controlled to drive the movable valve to move, so that the opening dimension of the spray nozzle can be changed. The novel quick printing spray head can change length ofthe spray nozzle in real time according to dimension changes of a model, increases the printing range of the spray nozzle, changes conventional dot printing into linear printing, and realizes once printing forming of each layer, so that printing speed is greatly increased; cooling time, in air, of each layer of the printing materials sprayed out by the spray nozzle is greatly reduced, and layerscan be guaranteed to be connected more tightly, so that strength of a printed part is greatly improved.

A torsional vibration reducing device includes a rotating body, rolling bodies, and a connection member. The rotating body includes guide holes, and the connection member includes accommodating portions that has at least two contact portions. The accommodating portions are positioned in the guide holes, and the guide holes accommodate the rolling bodies. The accommodating portions are configured to hold the outer peripheral surface of each of the rolling bodies with the contact portions, in a direction in which the rolling body reciprocates.

The invention discloses a bitmap volume display method for single screen circular translation. A two-dimensional image representing a three-dimensional scene cross section is shown on an imaging screen for circular translation, bitmap information of the two-dimensional image and a display position of the two-dimensional image on the imaging screen are updated dynamically according to a real-time position of the imaging screen, so as to form a parallel, time-division two-dimensional image sequence, and the two-dimensional image sequence is sensed and reduced by an observer by using a persistence-of-vision effect so as to obtain a three-dimensional scene. Compared with the display method in the background technology, voxels are uniform and force of inertia is balance, further, a drive mechanism is simplified remarkably, and a duty ratio of a display space and a duty ratio of display time are increased. The method is particularly suitable for accurate display of a three-dimensional imageand has a bright application prospect in fields relating to three-dimensional image display, such as industrial design, scientific research, teaching demonstration, medical CT analysis, and spatial mechanism motion.

The invention relates to the technical field of an unmanned aerial vehicle, in particular to a shock absorbing structure of the unmanned aerial vehicle, wherein the bottom end of the sleeve is sealed;The inner cavity of the sleeve is provided with an elastic element; The shaft body of the supporting shaft is matched with the inner bore of the sleeve; A support shaft is fixedly connected with oneend of that elastic element after being inserted into the sleeve; The other end of the elastic element is fixed on the sealing end face of the sleeve; Several energy absorption systems are uniformly distributed on the side wall of the sleeve; The energy absorption system is circumferentially distributed on the sleeve. The energy absorption system is used to absorb the kinetic energy of the supportshaft. When the invention is used, the support shaft can be quickly stationary relative to the sleeve by using the energy absorption system, the UAV can be prevented from reciprocating on the groundfor a long time during the landing process, the airframe parts are protected to a great extent, and the service life of the UAV is prolonged.

The invention discloses a precise weighing and automatic sorting production process. The process comprises the steps that A, products are placed on a cleaning station to be cleaned; b, after being cleaned, the product is conveyed into a product runner through a vibration disc; c, the product falls to a precise damping weighing device from the product runner and then is weighed; d, the product is subjected to first-step buffering through a buffering device; e, buoyancy damping is conducted on the product through a water pressure buoyancy damping device; f, feeding into corresponding graded packaging bags according to different grades; by arranging the spring damping device, the supporting disc is buffered through damping of a mechanical spring, so that a product above the supporting disc is prevented from vibrating the supporting disc, and the weighing speed and the weighing stability are improved; and the water pressure buoyancy damping device is arranged, and the supporting disc can descend and ascend more slowly through water pressure buoyancy damping, so that reciprocating motion caused by damping is avoided, and the supporting disc can be better and rapidly stopped stably for weighing.

The invention provides an electromagnetic lock which comprises an installing base and a locking hook and further comprises a drive mechanism, a transmission mechanism, a lock-up mechanism and a locking mechanism. The drive mechanism is arranged in the installing base. The transmission mechanism is arranged in the installing base and connected with the drive mechanism. The lock-up mechanism is arranged in the installing base and connected with the transmission mechanism, and is suitable for rotating under the effect of external force. The lock-up mechanism is provided with a locking position for being locked with the locking hook under the effect of the locking hook, and an unlocking position for being unlocked with the locking hook under driving of the drive mechanism. The locking mechanism is arranged in the installing base and arranged between the lock-up mechanism and the side wall of the installing base. The locking mechanism is suitable for moving in a reciprocating manner in thedirection of being close to or away from the locking hook. The locking mechanism is provided with a first position for being connected with the lock-up mechanism in an abutting-against manner so as tostop the lock-up mechanism from rotating at the locking position, and a second position for being separated from the lock-up mechanism so that the lock-up mechanism can rotate normally. According tothe electromagnetic lock, the locking mechanism stops rotating of the lock-up mechanism, and therefore the electromagnetic lock will not be unlocked automatically when being affected by external vibration.

The invention relates to an edge weaving device of a weaving machine, in particular to an edge weaving device of the weaving machine for weaving leno edges. The edge weaving device comprises an upper yarn guide and a lower yarn guide, wherein the upper yarn guide vertically swings and also transversely swings intermittently, and the lower yarn guide vertically swings. The upper yarn guide and the lower yarn guide vertically swing to form a back-and-forth crossed opening identical to the cloth fell size and the opening time of the weaving machine, accordingly two edge weaving yarns form a leno weave in the crossing changing process without leno healds, and therefore weaving motion of the weaving machine is simplified, reciprocating motion of a motor is avoided, control programs of the motor are greatly simplified, service life of the motor is prolonged, rotating speed of the weaving machine is greatly improved, and the edge weaving device is suitable for a new generation of water spray high-speed weaving machine. The edge weaving device is simple in structure and compact and stable in transmission, reduces fault rate of the weaving machine, greatly shortens the stroke of an edge weaving mechanism, accordingly shortens the yarn reciprocating motion path, is favorable for controlling yarn tension, reduces yarn breaking, improves the production efficiency of the weaving machine, and meets market demands.