Matches 1 - 28 out of 28


Match Document Document Title
6186480 Triaxial positioning actuator and control methods using same  
A positioning actuator with three axes includes a base having a movable supporting member and a device for moving the member up and down, and a shaft connecting the movable head of the actuator to...
6089246 Umbrella support  
An apparatus for supporting an umbrella. The apparatus of the invention includes a base plate which is placed on the surface of the area in which the umbrella is desired, a hollow cylinder...
5460474 Aircraft landing gear trolley  
An aircraft landing gear trolley (1) for supporting a landing gear (2) and adjusting the position of pintle bearings (39, 71) thereof in relation to pintle mountings on an aircraft is provided....
4886284 Dolly for supporting objects with adjustable height and inclination  
A dolly to transport articles such as wheel assemblies and transmissions, to present them with adjustable height and inclination. Support member on a base member are both controlled by seaparate...
4865293 Hydraulic jack  
A hydraulic jack, for lifting a heavy-weight structure such as a wing of an airplane, comprises a vertical primary cylinder, a ram vertically movably inserted in the primary cylinder, a lock nut...
4825771 Rail guided jack for lifting derailed rolling stock  
The invention provides a lifting device for re-railing railroad vehicles comprising a guide rail which is adapted to be disposed substantially horizontally in use, having an outer surface...
4629391 Powered lifter  
A powered lifter that enables one person to move loads such as cars, trucks, farm equipment, trailers and the like from one location to another. The device includes a rear frame supported by a...
4566673 Hydraulic device for rerailing vehicles  
A vehicle rerailing device for use in difficult climates and the full range of temperature conditions present in such climates comprising rerailing elements connectable to and acting on a derailed...
4506866 Vehicle hoist  
A vehicle hoist has an inclined column along which a carriage having normally horizontal support members is moved. The carriage is moved by a hydraulic cylinder and engages the column in a...
4486936 Apparatus for removing a roller or workpiece  
An apparatus for laterally removing a workpiece, such as a guide roller on an endless track vehicle or motor from a piece of heavy equipment, from a space having limited vertical access. The...
4427178 Accessory for wheeled floor jack  
An attachment or accessory to a wheeled floor jack of the type that rolls during use is disclosed. The accessory comprises a flat, elongated guard sized to receive and carry the wheels of the jack...
4321976 Machine stepper  
A machine stepper has a machine-supporting platform that normally stands on the floor by means of fixed support posts. A substantially rectangular frame is provided underneath this platform and...
4200419 Assembly for positioning portable structures  
A jacking assembly for positioning portable structures, mobile homes or the like includes at least two vertically operating jacks arranged as a pair on an elongated roller bed, which may be...
4198797 Method and fixture for lateral and longitudinal positioning of mobile or modular home units  
A method and fixture for lateral and longitudinal positioning of mobile home or modular housing units on the foundation site is disclosed, particularly related to positioning more than one module...
4102463 Transporter for slab casting tables  
A mobile transporter for use in transporting equipment during the construction of a building, said transport comprising a lower section supported on ground engaging means for movement thereon, a...
4048936 Apparatus and method for selectively supporting, conveying and mounting a propeller and rudder  
An apparatus and method wherein a pair of frame members each having four jacks and placed one upon another are provided with other jacks which are horizontally movable to change the relative...
3923286 Shoring and jacking rig  
A shoring and jacking rig is provided in which a pair of compression members pivoted at one end to a bracket or brackets for engaging a shored member are pivoted at their opposite end to the upper...
3840210 SKID JACK FOR MOBILE HOMES  
This is a skid jack for mobile or trailer homes. It consists of a substantially rectangular frame having mobility provided by a pair of castor wheels and a pair of power wheels on an axle having a...
3796276 CARRIAGES FOR TRANSPORTING HEAVY ARTICLES AND CONTROLLING POSITIONS THEREOF  
A carriage for transporting heavy articles comprises a base frame, a plurality of supporting legs secured to the base frame, a plurality of vertical fluid pressure cylinders connected to the lower...
3779399 ADJUSTING MECHANISM OF REMOVING HEAVY ARTICLE  
A mechanism for moving heavy articles such as blocks for use in constructing vessels, buildings or the like, for example, both vertically and horizontally by means of a vertically moveable jack...
3734465 TRAVELING JACK ASSEMBLY  
A traveling jack assembly comprising a movable jack carriage support frame mounted above a support base of similar size and configuration with an intermediate roller assembly therebetween, such...
3640503 STEEL-CONVERTER-HANDLING VEHICLE  
The disclosure relates to a steel-converter-handling vehicle for mounting and dismounting a converter in a converter stand and for transporting a converter between two or several converter stands,...
3585938 AUTOMATIC JOURNAL BOX LID OPERATOR  
The invention relates to mechanism for automatically closing or opening the lids of journal boxes for lubricating railway cars. A bottom carriage is provided movable parallel to a railroad track,...
3490605 TRAVELING BEAM FOR THE PRODUCTION OF BRIDGE SECTIONS  
3362351 Re-railing apparatus for railway vehicles  
2981202 Mass transportation systems  
2927770 Grain car door opener  
2831551 Safety device for lifting jacks  

Matches 1 - 28 out of 28