Trailer Ramp Spring Adjustment

The winding pucks face each other.

Trailer ramp spring adjustment.

Initial fabrication of trailer ramp assist spring. I have a 7 enclosed trailer with rear ramp door that has 2 torsion springs. The ends of torsional springs are known as legs for the wire on the end coils sticks out as if it were a lever. Torsion spring trailer ramp common for trailer ramp lift assist.

Have two new cables and know how they came off the drums. Hinge latch door closer trailer miscellaneous stove spring handle spring. These springs are made up of round wire helically wound to make coils. The springs used for trailer ramps doors hatches gates and lids are torsion springs.

Zinc plated finish. Pj trailer black painted torsion ramp spring with 90 degree leg angle is designed for a shaft no larger in diameter then 1 3 4. Trailer ramp springs are heavy duty torsion springs which work as a lift assist to take the majority of weight off of the gate ramp lid. Big tex lh torsion ramp spring 90 deg.

Cables are wound on drum and 1 shaft is clamped with vise grips to prevent. When starting a new torsional trailer spring design you must know the following parameters. Page 1 of 2 trailer ramp door torsion spring winding posted in trailer talk. A typical horse trailer or utility trailer ramp uses 3 4 inch hinge pins and would require two ramp springs with a 3 4 inch inner diameter.

You will find that design assistance here in this article. 1 1 2 shaft 7180085. The the torsion spring legs are what allow for your gate ramp door hatch. Stock 7107108 big tex plain finish left hand torsion ramp spring with 90 degree leg angle is designed for a shaft no larger in.

A trailer ramp spring is installed at the hinge mount where a ramp connects to the trailer in order to make it easier for the ramp to be lifted up or lowered down.