Matches 1 - 50 out of 185 1 2 3 4 >
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7611127 Tire changing kit  
A tire changing kit includes a jack movable between lowered and raised configurations and an impact wrench. An electrical plug is configured for electrical communication with an automobile battery...
7383922 Load stopping system  
A load stopping system for mechanically stopping a load in a relatively slow and controlled manner using rotational and frictional forces. The system includes a glide rod, a guide collar that moves...
7367546 Tire jack  
A tire jack for lifting a spare tire onto a vehicle wheel includes a base component with a lifting pan superimposed thereon. A rotatable drive shaft raises and lowers a lifting arm, which in turn...
7328884 Motor drive for a camper jack  
A motor drive for camper jacks or screw jacks that rapidly operates the screw jack between a retracted position and an extended no load position. A manual operator then operates the screw jack...
7311295 Cylinder apparatus for hydraulic lift jack with transmission  
A cylinder apparatus is provided for a hydraulic lift jack with a transmission device so that the ascending velocity is high with no load and the ascending velocity is low when there is a load. The...
7255204 Apparatus for moving elevator equipment  
An apparatus for moving elevator equipment, particularly an elevator car when stuck in a shaft, comprises a suspension point which is connected to the elevator equipment by an adjustable-height...
7188824 Appliance lift tool  
An appliance lift tool is provided which includes a cart having a frame includes a support platform having a horizontal orientation, a bottom frame, and a lift mechanism engaged between the support...
7163087 Portable vehicle lift  
The disclosed invention is a portable vehicle lift for elevating a motor vehicle. The lift includes spaced apart beams which are positioned under the vehicle, each beam has a plurality of hinged...
7159849 Vehicle jack positioning device and method  
A novel device and method for positioning a vehicle jack in relation to a vehicle. The device uses a sensor which communicates with an indicator located at the point on the vehicle frame for proper...
7111825 Non-metallic laboratory jack  
A non-metallic laboratory jack comprises two oppositely disposed reinforcing elements having I-beam cross-sectional configuration disposed in the central elevational region of the jack; a base...
7100898 Lifting jack  
A lifting jack includes a lifting mechanism pivoted to a base and a support bracket member so as to lift or lower the support bracket member relative to the base, a driving shaft journalled on a...
7073763 Support rod for stabilizing an existing scissor jack  
A support rod that is engageable with the bottom surface of an existing scissor jack. The rod includes an adjustable top portion selectively movable between raised and lowered positions. An...
7040059 Method and adjustable apparatus for anchor-free masonry wall bracing  
Adjustable apparatus for bracing one or both sides of a wall being fabricated from masonry blocks and having an opening near the base of the block wall. Bracing system includes strong rigid members...
7025332 Mechanical arm assembly and method therefor  
A mechanical arm includes a base that mount on a selected support. A proximal arm member has a proximal end portion pivotally secured to the base and a distal end portion pivotally secured to a...
6974124 Automobile lifting jack  
A vehicle jack of the type known as “Y” jacks having a vehicle support arm ( 2 ) and a support leg ( 1 ) on which the vehicle support arm pivots. The free end of the vehicle support arm ( 2 )...
6957803 Slim pantograph jack with bearing spacer  
A pantograph jack includes a base, a load rest, first and second lower arms each pivotably coupled at a first end to the base, and first and second upper arms each pivotably coupled at a first end...
6910677 Portable power jack device  
A battery driven reversible motor and speed reduction gear assembly coupled to a worm-screw scissor jack, all mounted on a flat, stable platform (base plate) for use in raising and lowering the...
6910676 Displacement nut for a lifting device, and corresponding lifting device  
A motion nut for a lifting device, especially a car jack, in which a basic body has an internal thread and a threaded spindle is seated in the internal thread. The basic body together with the...
6799749 Slim pantograph jack  
A jack includes a base, a load rest, first and second lower arms each pivotable to the base, and first and second upper arms each pivotable to the load rest. The first lower arm and the first upper...
6779635 Mechanism for providing motion and force while maintaining parallelism between a base structure and a movable structure  
A mechanism is disclosed that provides motion and force while maintaining parallelism between a base structure and a movable structure. This is accomplished by opposed pairs of pivoting arm...
6739580 Electrically operable vehicle jacks  
A lightweight, portable jack for a wheeled vehicle is provided. The jack includes a high-torque electric motor adapted to use the electric power supply from the vehicle through electrical...
6726180 Jack  
The invention relates to a jack comprising a stand body, which rests on the ground ( 4 ) and which consists of a stand column ( 1 ) and foot ( 2 ), and comprising a supporting arm ( 5 ), which is...
6695289 Motor driven scissor jack with limit switches  
A motorized scissor jack is provided including upper and lower limit switches. The motor is connected with a drive assembly that extends and retracts the jack through a displacement screw. The...
6619622 Automotive jack  
An automotive jack with a vertical main structure resting on a ground and provided with a leg, a foot, and a load supporting arm swingable around a fixed horizontal axis on the leg. A threaded...
6619621 Car jack  
Jack with an erect component in the form of a leg ( 1 ) that rests against the ground ( 4 ) and of a foot ( 2 ) articulated thereto and with a vehicle-lifting arm ( 6 ) that pivots around a fixed...
6601827 Economical lifting device-trunk jack  
The specification describes economical lifting devices. A consumer jack comprising a rectangular base; a pair of connecting arms that are pivotally attached to the front end of the base, and a pair...
6601826 Low-level lift  
A description is provided of a lift which is defined as “low-level”, owing to the fact that in the articulation position in which the scissors are closed, the oleodynamic cylinder which...
6575432 Jack for vehicles  
A vehicle jack with a reinforced nut and a device to eliminate noise when the jack is in the folded position. The nut is composed of two bodies ( 5, 5 ′), outer and inner, respectively, which...
6565068 Economical lifting device-power unit for use with a jack stand and lift bridge  
The specification describes economical lifting devices. A consumer jack comprising a rectangular base; a pair of connecting arms that are pivotally attached to the front end of the base, and a pair...
6527251 Jack with urethane brake  
A scissor jack assembly with double-lead Acme threaded screw. Through use of urethane or similar material as a braking means, the jack assembly is operable with a self locking action over a wider...
6464206 Jack with an insertion trunnion  
In the case of a jack with a supporting element, at which the insertion trunnion ( 11 ), which can be folded vertically over a joint ( 12 ), is mounted with a stop ( 16 ) limiting the depth of...
6431319 Height-adjustable equipment cart with detachable table  
A height-adjustable cart is provided and includes an undercarriage having a wheeled frame, a double scissor-type lift mechanism and a support frame which is height-adjustable relative to the...
6375161 Scissor jack  
A scissor jack assembly with double-lead Acme threaded screw. Through use of urethane or similar material as a braking means, the jack assembly is operable with a self locking action over a wider...
6338470 Powered lift for raising a two-wheeled vehicle  
A lifting rack for elevating motorcycles or other two-wheeled vehicles for ease of maintenance. The rack comprises a channel with a base plate that may be laid flat on a ground or floor surface,...
6334605 Pantagraph-type jack  
In a pantagraph-type jack, a base comprises an upper base member and a lower base member which are connected to each other relatively movably in the vertical direction, inner ends of a pair of...
6299138 Directly driving electromotive jack device for releasing torsional force  
A directly driving electromotive jack device for releasing a torsional force comprises a jack with a driving screw rod, an electromotive motor arranged with a deceleration gearbox, a torsional...
6286812 Portable lifting apparatus  
A lifting apparatus which is readily portable between locations and whose design allows for readily replacement and/or repair of component parts thereof to enhance both serviceability and...
6234451 Leveling of leg supported devices  
This invention relates to the leveling of devices, and more particularly, to the leveling of leg supported devices, such as pool and billiard tables. In accomplishing the foregoing and related...
6189865 Jack for lifting a vehicle  
The invention relates to a jack, the jack comprises a base for placing on the ground and an elevator mechanism which bears against the base via a leg (1) linked to the base by a device so that the...
6161816 Pantagraph-type jack, and process for producing the same  
A pantagraph-type jack includes a pair of lower arms and a pair of upper arms. Upper ends of the lower arms and lower ends of the upper arms are connected to each other through first and second...
6073915 Motorcycle jack  
A motorcycle jack including a support assembly (SA) for engagement with a first part (S) of a motorcycle and a lifting assembly (LA) for engagement with a second part (S) of the motorcycle, the...
6068239 Vehicle jack  
A vehicle jack of the type known as "Y-jacks". It has a base plate (1) with perforated fins that receive and fix, in a particular way, the protruding necks on the wings of the jack body. A nut (13)...
6050547 Articulated jack  
This is an articulated jack with two pairs of arms, connecting at one end with a nut (11) and at the other with a bar (12). Both these are in turn connected by a spindle worked by a crank winding...
6045122 Safety vehicle lift  
A safety vehicle lift having a base, a lifting assembly, a drive mechanism, a handle, and a ramp. The base is made of flat rigid construction which may be in one or two sections and may be of solid...
6029950 Jack assembly  
A jack assembly includes two lower arms each having an upper end portion and a lower end portion pivotally attached to a base, two upper arms each having an upper end portion pivotally mounted to a...
6022001 Lightweight jack  
A lightweight vehicle jack of the "Y" type includes aluminum, particularly in the arm (2) and the central body of the device (1). A gripping device (7) provides a larger surface area to take the...
6012706 Pinless jack  
This invention relates to the construction of a pantograph jack and, in particular, to an improvement in the construction of a pantograph jack wherein the pins connecting the arms to the base and...
5988594 Half scissor jack structure  
A jack configuration, which may be characterized as a half scissor jack, which achieves the objects of simplifying manufacture by reducing component parts and limiting overall size of the jack...
5979877 Jack for vehicle  
A vehicle jack that provides a rotation shaft (4) for the support plate (3) on the vehicle support arm (2) and a nut to be received in the end of the jack support leg (1), through which the...
5975497 Multipiece trunnion for a scissor type jack  
The present invention relates to a multi piece trunnion. More specifically, this invention relates to a multi piece trunnion for use in scissor-type jacks. The multi piece trunnion allows the use...
Matches 1 - 50 out of 185 1 2 3 4 >