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US 4,068,772 AGranted
Dual load trailer
OwnerC. R. Prudhommeinventor
Life of this patent
Estimating the term…
Abstract
A trailer is disclosed which includes a trailer base and a carrier frame, the trailer base receiving one load and a load platform of the carrier frame receiving a second load. The load platform is mounted on legs which are pivotable at both ends so that the load platform can be swung from a carrying position to a loading position and back.
Claims9
A dual load trailer comprising
- a trailer base having wheel means thereon and adapted to carry a first load thereupon;
- a carrier frame mounted on the trailer base;
- a load platform of the carrier frame movable between a carrying and a loading position and adapted to carry a second load;
- front and rear leg means on the carrier frame connecting the load platform to the trailer base and pivotally connected to both the load platform and the trailer base, the rear leg means being longer than the front leg means and being tilted rearwardly to bias the load platform to pivot rearwardly to lower the load platform to its loading position;
- and
- holding means to secure the load platform against rearward movement to hold the load platform parallel to the trailer base in its carrying position.
3 more elements
A dual load trailer comprising
- a trailer base adapted to receiving a first load;
- wheels on the trailer base;
- a carrier frame attached to the trailer frame;
- a vertically extending support post of the carrier frame;
- a pair of winch supports of the carrier frame secured to said support post;
- a winch secured to the winch supports;
- a base of the carrier frame including a pair of side base beams, a front base beam and a rear base beam;
- a load platform of the carrier frame including a pair of top frame side beams, a top frame front beam, a top frame rear beam and decking stretched therebetween;
- the load platform having a guide channel formed therein;
- a pair of front legs each pivotally attached to both a one of the top frame side beams and a one of the side base beams, the front legs both having a forward tilt;
- a pair of rear legs each pivotally attached to both a one of the top frame side beams and a one of the side base beams, the rear legs both having a rearward tilt the angle of which is greater than the angle of the forward tilt of the front legs;
- a pair of lifting and securing cables each attached to a respective one of the top frame side beams;
- a moving pulley block attached to each lifting and securing cable;
- a stationary pulley block attached to each side base beam;
- a pair of winch cables each having one end secured to a one of the side base beams and another end secured to the winch and each extending through a one of the moving pulley blocks and the stationary pulley blocks;
- a lifting strut extending forwardly at a fixed angle from each rear leg;
- a yoke at the end of each lifting strut;
- and
- a securement lock to secure the load platform to the support post.
16 more elements
Dependencies are inferred from the claim text.