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8905701 Lift hand truck  
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...
8297410 Elevating workshop pit platform  
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...
8292031 Platform lift apparatus for attic storage space  
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...
8210319 Hydraulic elevating platform assembly  
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...
7143869 Hydraulic vehicle lift  
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...
6662905 Elevator which counterweight is also the plunger of the propelling fluid dynamic device which produces and controls the movements thereof  
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...
6659231 Self-balancing synchronization assembly for a hydraulic elevator  
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...
6550584 Vehicle lift of the type with four columns  
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...
6290026 Hydraulic elevator  
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...
6148961 Lift driving device  
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...
6098759 Hydraulic elevator  
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...
6085872 Roped hydraulic elevator  
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....
6045317 Lifting system for vehicle having an elevating cargo box  
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...
6032929 Arrangement in connection with a yoke in a hoisting system for a derrick  
PCT No. PCT/NO96/00290 Sec. 371 Date Jun. 22, 1998 Sec. 102(e) Date Jun. 22, 1998 PCT Filed Dec. 17, 1996 PCT Pub. No. WO97/23705 PCT Pub. Date Jul. 3, 1997A hydraulically-operated hoist is...
6027290 Structural assembly forming an additional movable deck on a road vehicle  
PCT No. PCT/FR96/01737 Sec. 371 Date May 14, 1998 Sec. 102(e) Date May 14, 1998 PCT Filed Nov. 6, 1996 PCT Pub. No. WO97/18103 PCT Pub. Date May 22, 1997An assembly for use on a road vehicle,...
5951233 Vehicle with lift box  
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....
5901814 Hydraulic elevator having a counterweight  
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...
5887680 Pallet level loader  
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...
5782602 Device for loading and unloading pallets  
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...
5653311 Suspension arrangement for a hydraulic elevator  
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...
5586619 Lifting apparatus  
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...
5503247 Pallet level loader  
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...
5443140 Method and apparatus for reducing the power required by an hydraulic elevator drive  
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...
5361874 Confined, single shaft wall elevator lifting system  
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...
5351787 Elevator  
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,...
5339925 Hydraulic chain lift  
A lift for motor vehicles using hydraulic cylinders powered by a remote electrical hydraulic pump. The hydraulic cylinders lift pistons having an upper distal area adaptable for receiving the...
5285027 Hydraulic elevator and a control method thereof  
A hydraulic elevator comprises a car, a hydraulic jack to drive the car, a hydraulic pump, and control means for controlling a flow rate of fluid flowing to or from the hydraulic jack thereby to...
5281774 Drive control unit for hydraulic elevator  
A drive control unit for a hydraulic elevator comprises: an inverter for variably driving the motor; a speed detector for detecting a rotating speed of the motor; a current detector for detecting...
5238087 Advanced energy saving hydraulic elevator  
An hydraulic elevator utilizes a double acting cylinder to drive a counterweighted elevator upwardly and downwardly. The weight of the counterweight is approximately equal to the weight of the car...
5228537 Safety mechanism for a vertical reciprocating conveyor  
A vertical reciprocating conveyor having a safety mechanism for automatically locking the conveyor at an elevated level. The conveyor comprises a cargo-supporting carriage which is guided for...
5211264 Lifting apparatus  
Lifting apparatus for lifting equipment such as utility vehicles (e.g., three-wheeled commercial mowers, four-wheeled vehicles, outdooor power equipment, etc.) for inspection, servicing and repair...
5205379 Vertical conveyor  
A vertical conveyor for lifting materials between different vertical levels. The conveyor comprises a pair of spaced upright supports or beams and a carriage to support a load or cargo is guided...
5119906 Lift locking system  
A lift locking assembly for the vertically movable platform in a stacking apparatus includes toothed locking devices at each corner of the platform which are triggered simultaneously into...
5056627 Hydraulic elevator  
A hydraulic elevator system of the type having a vertically travelling car includes a hydraulic actuator means disposed on a side of an elevator shaft and a car suspension means. The concentrated...
4977980 Indirect-plunger hydraulic elevator  
The present invention is an indirect-plunger hydraulic elevator having a car frame. The car frame has short-sized bracing members fixed respectively to the lower ends of vertical frames and a car...
4830146 Fluid-pressure elevator  
A fluid-pressure elevator comprising an elevator frame for supporting a cage; a fluid pressure cylinder attached to the elevator frame and adapted to vertically move the cage by controlling the...
4674938 Vehicle parking system  
A frame supported by a base has at least an upper platform and a lower platform adapted to be nested together and supported at lower positions by the base. The upper and lower platforms are...
4658934 Elevating apparatus  
A lift or elevator for goods or passengers suitable for installation to existing low rise residential or commercial buildings. The lift comprises an upright hollow column (40) having a slot...
4526251 Chain retention device  
A retention assembly is disclosed for use with an elongated flexible member (22) such as the lift chain used in a lift truck (10). This assembly consists of a first member (30) affixed to the...
4496031 Material handling apparatus  
A lift truck mast arrangement minimizes stresses occurring in mast members using rearward chain anchor placement to apply a rearward counterbalancing moment to the mast so as to create a bending...
4491195 Adjustable mounting arrangement for a rotatable guide member  
The invention relates to an adjustable mounting arrangement (10) for a rotatable guide member (12) of a lift mast assembly (14) which eliminates the problems of inadvertent loosening, complexity...
4476960 Adjustable chain anchor for lift trucks  
The lift system for the mast assembly of a lift truck normally includes at least one hydraulic cylinder and a pair of lift chains for selectively raising and lowering a movable assembly (upright...
4438830 Stairway with fail safe power lift for lading, the infirm, wheelchair patients, and the like  
A combined stairway and power lift installable as a unit between upper and lower levels and including a fluid-powered lifting platform propelled along the stairs over an underlying pressure...
4401191 Upright for lift truck  
A truck upright sections, and a load carriage mounted on a telescopic upright section. A sole asymmetric lift cylinder assembly is located adjacent one side of the upright in a position which...
4319869 Loader drive compensator and safety device  
A loader safety device for a tire curing press that has a frame with a pair of vertically extending side members and a support platform operatively mounted on the side members for vertical...
4312426 Chain anchoring arrangement  
The invention relates to an anchoring arrangement which includes a lock clip fitting about the anchor arrangement and being in longitudinally slidable relative thereto. The lock clip includes a...
4276961 Mast and carriage assembly  
A mast and carriage assembly for an industrial truck which includes a stationary upright assembly (12) a movable upright assembly (14) and a telescopic cylinder (18) which is suspended between the...
4262777 Hydraulic elevator  
A self-contained elevator structure including a pair of vertical, laterally spaced, parallel standards mounting a carrier or carrying cage for vertical travel therealong. Movement of the cage is...
4238004 Hidden chain assembly for lift truck mast  
A hidden chain assembly adaptable for use in multi-stage telescopic masts for lift trucks. A lifting chain is positioned transversely between two juxtaposed elongate upright members within an...
4227463 Apparatus for removing and installing batteries  
An apparatus for removing and intalling batteries from equipment, such as a lift truck. The apparatus includes a mobile frame and a bed is mounted for vertical movement on the frame so that the...

Matches 1 - 50 out of 81 1 2 >