I have a 7 enclosed trailer with rear ramp door that has 2 torsion springs.
Trailer ramp spring adjustment.
Big tex lh torsion ramp spring 90 deg.
We are a spring manufacturer that offers a wide.
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.
Torsion spring trailer ramp common for trailer ramp lift assist.
The springs used for trailer ramps doors hatches gates and lids are torsion springs.
When starting a new torsional trailer spring design you must know the following parameters.
Zinc plated finish.
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.
The ramp springs that we carry fit 1 1 2 inch diameter hinge pins and are designed for use with heavy duty steel ramps like those on equipment trailers or car haulers.
These springs are made up of round wire helically wound to make coils.
The ends of torsional springs are known as legs for the wire on the end coils sticks out as if it were a lever.
Initial fabrication of trailer ramp assist spring.
You will find that design assistance here in this article.
Stock 7107108 big tex plain finish left hand torsion ramp spring with 90 degree leg angle is designed for a shaft no larger in.
Hinge latch door closer trailer miscellaneous stove spring handle spring.
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.
The the torsion spring legs are what allow for your gate ramp door hatch.
The winding pucks face each other.
Have two new cables and know how they came off the drums.
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.
Cables are wound on drum and 1 shaft is clamped with vise grips to prevent.