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8181984 |
Trailer accessory device
A trailer accessory featuring a first half base and a second half base slidably attached to the first half base via a sliding mechanism, the first half base can slide in a first or second direction...
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8181983 |
Vertically adjustable mount for jack assembly
A jack assembly for adjusting the height of a trailer is provided. The jack assembly is moveable between an operable and a stowed position. The assembly includes a tube having a slot portion and a...
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8096529 |
Semitrailer landing gear
A semitrailer landing gear, particularly for supporting trailers, including a supporting element, which can be telescopically displaced in the height thereof and which has an outer sleeve and an...
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8091922 |
Trailer jack capable of rapid gross and incremental adjustments in the height of a trailer
A trailer jack capable of rapid gross and incremental adjustments in height adapted for attachment to a trailer. The jack is comprised of an inner member nested within an outer member, a collar, a...
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7963506 |
Vehicle leveling apparatus
The present invention may be used for leveling a land vehicle. A frame lifting assembly may have a frame cross-member adjustable in length for attachment at each end to each side of a vehicle...
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7954829 |
Retractable wheel assembly for a jackstand
A receiver extends from the top of a retractable wheel assembly to receive the lower end of a jackstand or the like. Upon exerting pressure on a foot operated plate, a wheel is extended from the...
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7370844 |
Universal utility trailer tilter
The “Universal Utility Trailer” Tilter is designed to be portable and lightweight. This will enable the user to insert it into a standard 2″ receiver hitch on a tow vehicle. Upon attaching the T...
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7303210 |
Secure crank locking device for trailer landing gear assembly
A secured crank locking device automatically secures a hand crank in its operative position to an input shaft of a gearing mechanism, with the locking device being easily disengaged to move the...
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7290799 |
Disposition introduced to hydropneumatic jack
“DISPOSITION INTRODUCED TO HYDROPNEUMATIC JACK”, according to description of the report and the annexed illustrations, it is about a new disposition for a hydropneumatic device that is used to lif...
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7216851 |
Method and apparatus for trailer jack mount
The subject invention pertains to a method and apparatus for providing a trailer jack mount. The subject invention also pertains to a method and apparatus for providing a trailer jack mount for use...
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7192011 |
Telescoping jack unit
The present invention is directed toward an apparatus for quickly configuring a jack to raise a load from its rest position. In particular, the present invention provides a jacking mechanism that...
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7097158 |
Lift mechanism for fifth wheel trailer tube and foot pad
A lift mechanism for a fifth wheel trailer tube and foot pad that is both functional and accessible. A tee handle is made with curved ends and a smooth finish, making it comfortable to grip when...
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7097159 |
Jack pin removal device
A device for removing a clip pin from a jack utilizing a lever having a first portion, a second portion, and a fulcrum therebetween. The arm is linked to the fulcrum of the lever and extends...
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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...
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6926261 |
Trailer tongue jack
A trailer tongue jack includes a grease (or zerk) fitting for providing grease to internal parts The jack includes an outer tube and an inner telescoping tube. A threaded insert (or nut) is fixedly...
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6874764 |
Mechanical screw jack having stroke limiting nut
Disclosed herein is a mechanical screw jack comprising: a housing; a mechanical jack stroke limiting nut connected to the housing, the nut having a nut wall, the wall defining an interior female...
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6840541 |
Trailer level
A trailer tongue arrangement is provided having a power jack. The power jack is removably engaged with the tongue and includes a circular level unit thereon which indicates a level condition in the...
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6764065 |
Trailer jack assistance apparatus
An apparatus for assisting in the operation of a conventional trailer jack. The jack assistance apparatus is attached to a conventional trailer jack having telescoping tubes with a coarse...
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6726236 |
Jack assembly and methods of use
The present invention relates generally to a jack stand and methods of making and using same. In particular, but not by way of limitation, the present invention relates to a jack stand having (1) a...
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6718747 |
Rotary cutter parking stand
A towed rotary cutter includes a self-leveling hitch equipped with a parking stand mounted in a centered position beneath the hitch. Through the operation of the leveling links, the hydraulic lift...
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6651963 |
Portable drive system
A portable drive system for automating the rotation of drive systems designed to use hand cranks. The portable drive system includes an housing designed for being held in position by a human using...
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6607183 |
Implement jack lock-out device
A detachable jack assembly for attaching to a hitch, including a leg having a first member movably connected to a foot member; a crank assembly disposed on the first member and having a rotatable...
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6517112 |
Combined trailer crank and locking mechanism
A combination trailer crank and locking mechanism. The device includes a crank portion having a handle portion separated from a coupler portion by a generally S-shaped body portion. When the...
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6494005 |
Telescopic linear actuator
An inner leg telescopically fits within an outer leg and includes a motor coaxially mounted to an end remote from the outer leg. A drive screw is coupled to the motor shaft and extends through a...
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6485002 |
Split trailer jack
A trailer tongue jack system which in an exemplary embodiment has separable upper and lower housings which must be coupled together to form a complete operable system, and a driveshaft with a...
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6439545 |
Motorized jack for trailers
A motor-driven trailer swivel jack is described that includes a detachable steering assembly. The steering assembly is fastened to the jack by both electrical and mechanical fasteners. The...
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6311954 |
Trailer tongue with vertical lift geometry
A trailer tongue includes a support and a support leg slidingly and pivotally engaged with the support. When the support leg is raised or lowered the trailer tongue moves in a substantially...
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6213491 |
Vehicle trailer having spare time adapter apparatus
A vehicle trailer is provided having an adapter apparatus for providing a temporary spare tire. Typically, the trailer will be equipped with removable brackets by which the adapter apparatus can be...
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6173941 |
Vehicle mobile service trailer
A mobile vehicle service trailer provides a portable maintenance facility for motor vehicles (passenger cars, pickup trucks and sport utility vehicles, etc.) without need to transport the vehicle...
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6145813 |
Manual vehicle jack assembly
A vehicular jack system is provided including a mounting bracket fixedly coupled to a frame of a vehicle. Also included is a jack assembly connected to the mounting bracket for elevating the...
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6102370 |
Trailer with expandable sides and retractable wheels
A trailer with expandable sides and retractable wheels used for performing on site vehicle maintenance and repair services. The trailer has a rectangular frame mounted on wheels with a conventional...
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6003892 |
Boat trailer tongue lowering jack
Small boats being trailer launched from steep ramps are in danger of spilling water over the transom if the bow is held high by the trailer. The invention is for a two component jack screw...
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5904342 |
Landing gear crank handle
A landing gear crank handle for raising and lowering vehicle landing gear is provided that includes a first hand hold that is horizontal when the handle is in a full extended position, a second...
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5823558 |
Trailer loading support
A load frame which mounts on a trailer between the trailer hitch connection and the trailer frame front cross member. The load frame is a wishbone-shaped structural unit which mounts to the trailer...
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5755430 |
Trailer jack leveling adapter
Disclosed is a trailer jack leveling adapter for improving a fifth wheel trailer jack stand having a pair of downwardly telescoping leg assemblies whereby one of the leg assemblies may be adjusted...
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5542647 |
Two-speed jack
A jack of the type having inner and outer legs and a screw for extending and retracting the inner leg relative to the outer leg. The screw is mounted on a base fixed to the outer leg for rotating...
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5435523 |
Trailer tongue jack
An improved trailer tongue jack including an outer tube and an inner tube which is slidable within the outer tube. The lower end of the inner tube carries a terrain engaging member, such as a...
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5426989 |
Method and a device in spindles
For carrying out a method to displace an object from a resting position to to a working position or vice verse, a device (1) is arranged comprising a screw (3) with two threads (7, 9) with...
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5421555 |
Quick release trailer jack
A quick release trailer jack comprises a vertical support mast extending through a jack body. Pinion and worm gears housed in the body couple a crank to a rack gear on the mast for vertically...
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5340143 |
Slidable support for heavily loaded trailer jack post
The present invention provides a slidable support assembly which is affixed to an extensible jack leg of a typically heavily loaded commercial trailer and is used to support the front end of the...
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5282605 |
Rotatable trailer jack mechanism
A trailer jack mounting assembly which is rotatable has an outer support member which has a cylindrical bore and is mounted to a trailer frame adjacent to its hitch end with the outer support...
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5174550 |
Mounting for a screw jack
A screw jack incorporating a quick retract mechanism to permit movement of the jack into engagement with the ground such that only limited rotation of the screw is necessary for elevating the...
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5087063 |
Retractable trailer tongue support jack
A combination, retractable jack and support apparatus for trailer tongues. The jack is pivotally connected to counterbalance which is used to raise or lower the support apparatus. The design...
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5067692 |
Swivel jack for a trailer tongue
A jack is mounted on a trailer tongue by a swivel connection to pivot between a vertically disposed active position and a horizontally disposed stowed position. The swivel connection includes a...
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5011119 |
Conveniently attached hydraulic trailer jack
A hand-operated hydraulic jack rotatably mounted on a trailer to assist in removably attaching the trailer to the hitching mechanism of a towing vehicle. The jack can be rotated to a vertical...
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5009445 |
Trailer hitch cable puller
The invention apparatus provides a winching mechanism which is detachably secured to the forward end of the tongue of a trailer. In a first embodiment, a slip nut on a crank operated vertical...
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5009444 |
Slideable jack stand
A trailer hitch device comprises a jack shaft receiving socket mounted on a ground engaging support and slideable on a very low friction surface thus enabling the jack shaft to be shifted to...
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4978104 |
Quick release jack
A quick-release rack and pinion safety jack assembly for mounting upon the tongue of a conventional trailer. The jack assembly comprises a vertical support stanchion extending upwardly from a...
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4921269 |
Landing gear/stabilizer for small trailer
Disclosed is a utility trailer having one or more stabilizers attached thto. The stabilizer is comprised of a pair of flat arms pivoted to the trailer and extending away therefrom, the arms...
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4889357 |
Parking stand for supporting the tongue of a parked trailer
A parking stand for supporting the tongue of a parked trailer. The parking stand has a coupling ball at its upper end for engagement in the socket of a coupling part on the front end of the trailer...
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