Abstract: The present disclosure provides a liquid metal conductive paste and an electronic device, and relates to a technical field of new materials. The liquid metal conductive paste provided by the present disclosure includes: 1%-50% by weight of a liquid metal microcapsule, 30%-80% by weight of a conductive powder, 1%-25% by weight of a base polymer and 10%-40% by weight of a solvent. A capsule wall of the liquid metal microcapsule is made of a coating polymer, and a capsule core is made of a liquid metal. Melting point of the liquid metal satisfies: the liquid metal is in a liquid state at least when the wire made of the liquid metal conductive paste is deformed. The present disclosure can achieve a better flexible wire.

Abstract: A three-level vehicle lift. The lift includes a four-post configuration in which each post includes a pair of vertically extending, side-by-side channels. Two platforms are provided. Each includes a carriage configured to engage a respective one of the channels in each post and a hydraulic actuator and lifting cable system disposed within the platform for lifting the platform. An actuation system having a single hydraulic pump is provided with a valve for selectively supplying hydraulic power to either an upper- or a lower-platform hydraulic circuit. The simplified lift and actuation system configuration reduces manufacturing, shipping, installation, and materials costs and complexities.

Abstract: An aircraft loader comprises a chassis, a cab, a loading floor and a load lifting apparatus. The load lifting apparatus includes a frame, a first horizontal platform and a second horizontal platform. The frame includes a pair of vertical columns. Each column has a front slider and a rear slider configured to be displaced vertically along the columns. The first platform is displaceable through movement of the rear sliders between a loading floor height and an aircraft loading height. The second platform is displaceable through movement of the front sliders and the first platform between an intermediate height and the aircraft loading height. When the first platform is raised from the loading floor height and reaches the intermediate height, the first and second platforms engage to so as to travel in unison, thus defining a loading deck which is displaceable between the intermediate height and the aircraft loading height.

Abstract: A load-balancing device can be used to assist the lifting and lowering of heavy objects. In some examples, a load-balancing device includes a housing, a first movable pulley, a second movable pulley, a stationary pulley positioned between the first movable pulley and the second movable pulley, and a cable wound at least partially around the first movable pulley, the second movable pulley, and the stationary pulley. In operation, a pressurized control fluid may be introduced into a pressure chamber defined between the housing, the first movable pulley, and the second movable pulley. This can cause the first movable pulley and the second movable pulley to move away from the stationary pulley, withdrawing the cable into the housing and lifting a load attached to the cable.

Abstract: A support member configured for use in a machine room of an elevator system is provided including a base having a car end and a counterweight end. The counterweight end is arranged substantially parallel to a wall of the machine room, and the counterweight end is arranged at an angle relative to the car end. An idler sheave having a plurality of grooves is mounted to the base in an orientation generally parallel to the car end. The idler sheave is configured to rotate about a first axis of rotation. A plurality of individual sheaves is mounted to the based in a staggered configuration substantially complementary to the angle of the counterweight end relative to the car end. Each individual sheave is configured to rotate about a second axis of rotation parallel to the first axis of rotation.

Abstract: A “Linear Motion Elevator Suspension Machine” in which motion is achieved using Linear Mechanical Actuators, a mechanical device that converts energy to power from air, electricity or liquid, creating motion in a straight line; and is used in this application as a force for lifting a vertically travelling elevator. Consisting of an arrangement of cables and pulleys, which trade force for distances, and driven by an Integrated Power Unit, in which to raise the car, and operate the doors; sequentially, applied to the linear actuators in a manner which is well known and therefore need not be described further in its description. An integral auxiliary Hydraulic Actuator, with linear or rotor motion “(Car Top Arraignment Only)”, attached to the Frame, and the Door Header, and serves as a Door Operating Device for the opening and closing of the Elevator Car Doors, wherefore, eliminating the needs for traditional motors and door operators.

Abstract: Hand truck with a frame provided with a substantially vertical guide, two wheels which are situated near the bottom side of the guide and which are rotatable about a transverse shaft, a handle which is situated near the upper side of the guide, a lifting device comprising a lifting element which is displaceable along the guide and a lifting drive which is connected to the lifting element for displacing the lifting element, a motor for driving the wheels and a brake cooperating with the wheels for blocking the rotation of the wheels, in which a control device is provided which can be operated via the handle for switching the lifting drive and the motor on and off, characterized in that, in a lower driving position of the lifting element, the brake is released and, when the lifting element is moved from the lower driving position to a lifting position, the brake is engaged, in which case the wheels can be driven via the motor at a positioning speed.

Abstract: A pit platform (10) within a pit (11) located in a floor, having a deck (12) that can be raised and lowered by a lifting means (14) between a raised position in which the deck is substantially level with the floor and a second position in which the deck is beneath the level of the floor. The deck is supported by a plurality of cables (18) controlled by the lifting means to effect substantially vertical movement of the deck within the pit. A method of moving the deck between the raised and second positions is also described. The pit platform has particular application to a workshop, enabling workers standing on the platform to position themselves at a comfortable height below a vehicle that is being worked upon. In the raised position the platform provides a safety cover for the pit.

Abstract: A platform lift apparatus enables the safe movement of objects to and from an attic storage space. The platform lift apparatus includes a frame, a drive mechanism, and a platform. The frame includes internal and external mounting surfaces. The drive mechanism is substantially disposed within the frame and is coupled to the internal mounting surfaces. The drive mechanism includes a plurality of rotatable, parallel shafts with each shaft further including at least one lift drum having an associated lift tether at least partially wound thereon and having an end hanging therefrom. The platform is coupled to each lift tether end and is thereby suspended from the frame. The platform is selectively movable by operation of the drive mechanism within in a vertical dimension between raised and lowered positions. The drive mechanism further comprises an electric motor operatively coupled to the plurality of parallel shafts.

Abstract: An elevating platform assembly is provided. In accordance with one exemplary embodiment a platform is present and is moveable along a travel distance of a mast. A cylinder is provided and is capable of being actuated. The cylinder is used to move the platform along the travel distance.

Abstract: A hydraulic elevator for an elevator shaft having guide rails for an elevator cab is disclosed. The hydraulic elevator has no machine room and includes an assembly disposed between the guide rails and comprising a tank, a pump mounted in the tank, a motor mounted in the tank for driving the pump, and a control valve unit mounted on the tank and in working relationship with the pump. One of the pump and the motor is disposed above the other of the pump and the motor. The hydraulic elevator further includes a hydraulic drive mounted on the tank, the hydraulic drive being configured to move the elevator cab by a cable; and an emergency operating and monitoring device disposed outside of the elevator shaft and connectable to the control valve unit by a measuring line.

Abstract: An elevating platform assembly is provided. In accordance with one exemplary embodiment a platform is present and is moveable along a travel distance of a mast. A cylinder is provided and is capable of being actuated. The cylinder is used to move the platform along the travel distance.

Abstract: A hydraulically operated vertical vehicle lift for working under the vehicle or for storing one vehicle over a second vehicle. The vehicle lift utilizes four large U-shaped columns which house most of the moving parts. Particularly, cables traverse through the columns and around pulleys attached to cross members supporting the vehicle ramps. A hydraulic cylinder under a ramp pulls the cables around the pulleys causing the cross members and ramps to elevate. The orientation of the cables and pulleys direct the force generated while elevating and suspending a vehicle straight down from the internal top center of each column. This directional force provides a stable vehicle lift and the columns and ramps shield the moving parts from operator contact and protect the parts from exposure thereby increasing their useful life of the lift.

Abstract: An elevator includes a special propelling fluid dynamic device which uses as a plunger the duly balanced car counterweight. The car conveys people and things upwards and downwards within a vertical conduit or hoistway supported by a cable extending to an upper pulley. When changing the direction, a counterweight is extended to balance the car. The pulley is supported from the hoistway walls and is kept in a freely-rotating condition while the balanced counterweight is a hollow piston-counterweight, accommodated in the cylinder vertically disposed in the hoistway itself and adjacent to the car. Both are integral with the propelling fluid dynamic device that produces the upward and downward movements of the car, which is completed with a circuit having a fluid flow conduit and a driving pump coupled to the valve mechanism.

Abstract: A self-balancing synchronization assembly has a support beam pivotally mounted on a guide rail adjacent a hydraulic elevator jack. A synchronization bracket is pivotally mounted at one end of the beam and a pair of synchronization cables is connected between the bracket and a telescoping part of the jack. A return cable is connected between the other end of the beam and the hoistway pit to balance the load and includes a turnbuckle for retensioning the synchronization cables. A second synchronization bracket can be pivotally mounted at the one end of the support beam to synchronize a three-stage jack.

Abstract: A description is provided of a vehicle lift (10) of the type with four columns, in which the vertical movement of the cross-beams (14) and of the runways (16) along the columns (12) is controlled by means of two pistons (18), each of which is accommodated inside a respective cross-beam (14), of which it controls the movement. The lift (10) provides considerably simplified assembly, and the possibility of replacing or displacing the runways (16).

Abstract: In a hydraulic elevator, first and second hydraulic jack units are disposed within a hoistway so as to straddle the vertically projected area of a car from both sides. Each of the first and second hydraulic jack units are composed of a hydraulic jack. Suspension ropes are wound around two suspension sheaves, moved up and down by the hydraulic jacks, respectively. Each suspension rope has a hoistway side fastening end fastened to a bottom portion of the hoistway and a car side fastening end fastened to a lower end portion of the car.

Abstract: The invention relates to a drive device for an elevator of the type comprising a cage secured to a frame (16, 18) co-operating with vertical guide means (12, 14). The device comprises: a moving horizontal cross-member (20) that is independent of the frame and that co-operates with the vertical guide means (12, 14); an actuator comprising a cylinder (24) and a vertically movable rod (26), the actuator cylinder being secured to the frame (16, 18) and the end (26a) of the actuator rod being secured to the moving cross-member; first and second sets of pulley wheels (32, 34) mounted to rotate freely about first and second horizontal axes (56, 60) respectively secured to the moving cross-member and to the frame; and a cable (36) passing over said sets of pulley wheels to constitute a pulley block system, a first end (40) of said cable being secured to the top end of the elevator shaft and the other end (38) thereof being secured to one of said two elements.

Abstract: A hydraulic elevator having a hydraulic jack which acts directly on the elevator car. To reduce the amount of building work associated with this elevator concept, the hydraulic jack projects through the car floor into the car. The jack and the car are fastened together at the car floor by a supporting plate attached to the jack cylinder. If the jack is fitted with a mechanical synchronization device, the ends of the ropes or chains which until now have been fastened to the building also pass upwards through the car to a crossbeam to which they are fastened.

Abstract: A roped hydraulic elevator has a hydraulic jack whose upper end, preferably the plunger end, is secured to an upper region of the elevator hoistway, and whose lower end is free to move vertically. A first sheave is supported by the lower end of the jack, and at least one overhead sheave is supported in the upper hoistway region. A rope has one end secured to the hoistway near the top of the hoistway. The rope extends downwardly, around the first sheave, upwardly from the first sheave to the overhead sheave, and downwardly from the overhead sheave to the car, where it is secured. Preferably, a counterweight is supported by the lower end of said jack. Also, preferably one or more guide rails and guide shoes are used to guide the movement of the jack lower end and counterweight. The elevator is relatively simple in design, and the roping system produces a 2:1 ratio of car movement to jack movement, which allows the use of a shorter jack or, alternatively, a greater range of car travel.

Abstract: A vehicle including an elevatable cargo box to facilitate cargo loading and unloading. The vehicle includes a U-shaped cargo area within which the cargo box is located by mounted guides. The cargo box is movable between elevated and lowered positions by cables, which is operated by a drive system and is laterally secured in the elevated position by cones being fully registered within blocks. In a preferred embodiment, the cargo box is retrofitted to an existing vehicle. A series of cables is connected to corners of the cargo box and a drive is operably connected to the series of cables for retracting and extending the cables effecting the movement of the cargo box.

Abstract: A hydraulically-operated hoist is disclosed. The hoist includes a plurality of hydraulic piston/cylinder arrangements, each having an upper end. Two guide rails are disposed in parallel with the hydraulic piston/cylinder arrangements. A self-aligning yoke is connected between the upper ends of the hydraulic piston/cylinder arrangements and is raised and lowered along the two guide rails by the hydraulic piston/cylinder arrangements. The yoke comprises a beam with the two ends. An arm is connected to each end of the beam, extends obliquely upward from the beam, and terminates in a remote end rotatably connected to the upper ends of the hydraulic piston/cylinder arrangements. At least two sheaves are rotatably connected to the beam, each of which are capable of running its own wire line.

Abstract: An assembly for use on a road vehicle, consisting of an additional thin deck (4) vertically movable along a plurality of upright posts (8, 9) most of which are collapsible and stowable in an inoperative position within the body of the additional deck (4), and a drive member (7) secured to the additional movable deck for actuating same when required to provide wither a second vertically movable loading deck or, once the posts have been stowed away, a normal free cargo space. The assembly is of interest to all road hauliers and particularly to body mounting businesses.

Abstract: A vehicle is provided with an elevatable cargo box to facilitate cargo loading and unloading. The vehicle includes a U-shaped cargo area within which the cargo box is located by mounted guides. The cargo box is movable between elevated and lowered positions by cables in response to a drive system, the cargo box being laterally secured in the elevated position by cones that engage within corresponding spaces in blocks. In a preferred embodiment, the cargo box is retrofitted to an existing vehicle.

Abstract: A hydraulic elevator includes a hydraulic ram and a counterweight that are directly roped. The hydraulic ram includes a single-acting cylinder, piston and yoke that are placed within the hoistway adjacent to the path of motion of an elevator car. The counterweight is positioned adjacent to the hydraulic ram and on the same side of the car as the hydraulic ram. The combination of the directly counterweighted hydraulic ram and the arrangement of the hydraulic ram, counterweight and car results in minimal power and space requirements.

Abstract: Pallet level loading apparatus with a three-sided opened top enclosure and a bottom in which a cantilever-supported lifting platform is vertically movable. The lifting platform is driven by a hydraulic system housed in the rear wall of the enclosure. The platform may be locked in position at a predetermined height within the three-sided enclosure to permit its movement from place to place by a hand pallet or forklift. The apparatus further includes a torsion shaft. The torsion shaft arrangement distributes eccentric loads on the cantilever supported lifting platform so that the platform will not experience lateral tilt. Two vertical guide masts are arranged for receiving a roller arrangement of the lifting platform in order to prevent front and back platform tilt.

Abstract: A device for stacking and unstacking loads has a base made up of an upright housing and a pair of spaced, parallel outriggers extending from the housing. Vertical guide rods are mounted on the exterior of the housing, and a platform assembly is movable up-and-down on the guide rods. In its lowermost position, the platform assembly sits on the ground between the outriggers. The platform assembly comprises a carrier, a platform on the carrier having a circular opening, a turntable mounted on the carrier within the opening, and a braking system for the turntable. The platform is movable up-and-down with respect to the turntable. When the platform assembly is in a raised position, the platform is located below the turntable and the braking system is disengaged. The platform rises to the level of the turntable, and the braking system engages, in response to arrival of the platform assembly at ground level.

Abstract: The invention relates to a suspension arrangement for a hydraulic elevator. In addition to a normal diverting pulley mounted on the top end of the piston of the hoisting cylinder, the arrangement includes an additional diverting pulley placed at the bottom end of the cylinder. The first ends of the elevator ropes are fixed to a rope anchorage in the car frame of the elevator, from where the ropes are passed over the diverting pulley on the top end of the piston to the additional diverting pulley, from which additional diverting pulley the ropes are further passed to an adapter moving with the top end of the piston, with the second ends of the ropes being attached to the adapter.

Abstract: The invention comprises a lifting apparatus having a mobile housing with three telescoping sleeves slidably mounted in one another and in said housing to slide upward in telescoping relation out of said housing. The housing has a hydraulic piston and cylinder mounted upright in the housing, with the piston fixed to the housing and the cylinder is hydraulically actuatable to telescope upward in the housing relative to the piston. Rollers are mounted to the top of the cylinder and the first two of the sleeves. A first chain has one end mounted below the roller on the cylinder and its other end mounted to the lower end of the first of the sleeves. A second chain is mounted to the housing below the roller on the first sleeve and its other end mounted on the other side of the roller to the lower end of the second sleeve.

Abstract: Pallet loading apparatus including a three-sided enclosure open at top and bottom in which a cantilver-supported lifting platform is vertically reciprocable and driven by a hydraulic system housed in the rear wall of the enclosure, the rear wall being comprised of relatively widely spaced panels and the side walls being relatively narrow. The platform may be locked in position at a predetermined height within the three-sided enclosure to permit its movement from place to place by a hand pallet jack or forklift.

Abstract: An apparatus for reducing the driving power required for an hydraulic elevator in which the elevator car is suspended in the shaft by a cable connected with a piston rod of an hydraulic piston-cylinder drive providing two units of distance of car travel for each unit of distance of piston movement. A counterweight is connected to the head end of the piston rod for travel equal in distance and opposite in direction to the car travel. The counterweight is selected to balance the weight of the car and the most frequently occurring car load. A pump supplies pressured fluid to the cylinder of the drive and, during upward travel of the elevator car, a control system provides a differential circulation of the fluid whereby a smaller fluid volume can be used for the dimensioning of the pump.

Abstract: An elevator system includes an elevator support for supporting an elevator cab, a pair of elevator support rails, a hydraulic jack having a piston, and a sheave mechanically coupled to the piston to form a piston-sheave assembly. The elevator support rails have opposing guide members on opposite sides thereof and extending therefrom. A first pair of opposing guide members face away from each other and extend outwardly away from their respective elevator rail. A second pair of opposing guide members face each other and extend inwardly away from their respective elevator rail. An engaging system permits the travelling of both the elevator support and the piston-sheave assembly on the guide members of the elevator support rails. A cable is operatively connected to the elevator support, the sheave, and a fixed reference, such that the hydraulic jack and the sheave are confined between the opposing ends of the elevator rails during operation of the elevator.

Abstract: A home elevator system consisting of a combination of a single vertical guide rail consisting of two C-shaped channels that are interconnected along the entire vertical height of the guide rail, an elevator platform having a central portion which is slidably mounted within the single vertical guide rail, a hydraulic jack, and a rope and pulley arrangement interconnecting the platform, guide rail and hydraulic jack comprising a first pulley mounted on the top of the single vertical guide rail, a second pulley adjacent the bottom of the hydraulic jack, a third pulley connected to the outer end of the hydraulic jack and a rope travelling over pulleys.