US 2012/0267587 A1 · Portable Adjustable Motorcycle Prop Jack

Abstract

An adjustable motorcycle prop jack comprised of a hinging device with an over-centre locking action for lifting and holding in place a motorcycle's rear wheel by lifting the motorcycle's right side over the pivot line formed between the tip of its side stand and the contact point of the front tire to facilitate maintenance requiring the rear wheel to spin freely. The invention is comprised of a base and lifting arm, and a pin and spacers inserted between the two to form a hinge. The motorcycle is lifted by placing the base of the invention perpendicular to, and on the ground, and the lifting arm under a lifting point on the rear right side of the motorcycle with the invention forming an obtuse angle. Upon engagement, the invention lifts the rear of the motorcycle off the ground and locks in an over-centre position.

Claims8

Dependent claims

A portable adjustable jack for raising the rear wheel of a motorcycle parked on its side stand being comprised of:

a channel shaped base member;
a channel shaped lifting arm;
a connecting pin mounting the lifting arm within the base for pivotal movement between a folded position in which the lifting arm is contained within the base and an extended position in which the lifting arm moves over-center to extend outwardly from the base to an upper end for supporting the rear wheel;
the lifting arm having a web and two side flanges where the side flanges are connected to side flanges of the base;
the web being shaped at the upper end to a “V” cut out or other concave shape to contact with a lifting point on the motorcycle.

2 more elements

Dependencies are inferred from the claim text.

Portable Adjustable Motorcycle Prop Jack

Life of this patent

Portable Adjustable Motorcycle Prop Jack

Life of this patent

Abstract

Claims8