Patent ID: 8567763
Filing Date: 2013-10-29
Classification: B66F

Abstract:
1. A tire lifting apparatus comprising: a base frame; an upper frame; a lifting assembly coupled to and extending between said base frame and said upper frame, said lifting assembly being extendable to urge said upper frame away from said base frame, said lifting assembly being retractable to draw said upper frame towards said base frame, said lifting assembly including an actuating bar slidably coupled to said upper frame; said lifting assembly further including a first pair of scissor arms and a second pair of scissor arms, said first and second pairs of scissor arms being coupled to said actuating bar, said upper frame and said base frame; a shaft coupled to said actuating bar, said shaft being manipulatable to slide said actuating bar relative to said upper frame whereby said first pair of scissor arms and said second pair of scissor arms act on said upper frame and said base frame to change a distance between said upper frame and said base frame, said shaft being coupled to said upper frame; and a threaded portion of said shaft extending through and engaging said actuating bar such that rotation of said shaft slides said actuating bar relative to said upper frame.