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US 6,206,456 B1Granted
Camping trailer lift
OwnerVirgil H. Steury, Edwin J. Steuryinventors
Life of this patent
Estimating the term…
Abstract
A lift for a travel trailer top is disclosed which includes novel corner posts or jacks each of which comprises a plurality of telescoping channel members for strength and rigidity and formed with integral marginal portions for receiving actuator push-pull elements.
Claims19
A lift for raising and lowering the top of a mobile trailer comprising:
- a plurality of telescopic jacks respectively adjacent corners of a trailer body and supporting a trailer top, an actuator mechanism mounted on the trailer body, and a plurality of flexible push-pull elements connected with and extending from said actuator mechanism to said jacks for actuating the jacks to raise the top, each of said jacks being comprised of a plurality of telescoping channel members having spaced apart opposite upstanding portions connected together, at least one of said opposite upstanding portions receiving an end of one of said flexible push-pull elements and substantially enclosing said end of said one flexible push-pull element therewithin and resisting buckling of said one flexible push-pull element.
A lift for raising and lowering a top of a mobile trailer comprising:
- a plurality of corner jacks adjacent corners of a trailer body, each of said jacks including a lower channel member, an upper channel member and at least one intermediate telescoping channel member, each said lower, upper and intermediate channel member including a central wall section and opposite spaced apart integral marginal portions attached to said central wall section;
- a plurality of flexible push-pull elements respectively extending into said channel members of each of said jacks, each said push-pull element being generally surrounded by a portion of said central wall sections and one of said marginal portions of each said channel member, and actuator means connected with said push-pull elements for extending and retracting the push-pull elements for raising and lowering a trailer top.
Dependencies are inferred from the claim text.