Abstract: A positioning apparatus for a transmission jack saddle is provided in which a first arm has a pivot joint that allows an angle between a first arm and a second arm to be adjusted and each arm further defining an edge wall having ratchet teeth that allows movement and securement using a locking pawl mechanism.

Abstract: A tire lifter is provided having a horizontal frame in a vertical support, the horizontal frame providing for wheel movement of the tire lifter. A drive lift mechanism is positioned within the vertical upright of the frame and includes a screw drive that is used to raise and lower a pair of support arms which cradle a tire or a tire and wheel combination. Further, the support arms which cradle the tire can also be adjusted in a forward and rearward direction to allow for easier placement of a tire relative to an automobile.

Abstract: A tire lifter is provided having a horizontal frame in a vertical support, the horizontal frame providing for wheel movement of the tire lifter. A drive lift mechanism is positioned within the vertical upright of the frame and includes a screw drive that is used to raise and lower a pair of support arms which cradle a tire or a tire and wheel combination. Further, the support arms which cradle the tire can also be adjusted in a forward and rearward direction to allow for easier placement of a tire relative to an automobile.

Abstract: A wheel or tire lifter according to the present invention comprises a base, consisting of a base frame and a vertical strut, said base frame being provided with a rolling wheel for the base movement, a drive lift means arranged in said vertical strut; a driving means to drive said drive lift means, and a wheel or tire bracket connected with said drive lift means, on which the tire to be installed is directly placed. According to the wheel or tire lifter provided by the present invention, the tire to be installed can be put or placed on the wheel or tire bracket directly, so said wheel or tire bracket is driven by the said drive lift means and moved upward and downward to a desired height or position, and the tire can easily be moved to the wheel installation position of a car.