Patent ID: 8375649
Filing Date: 2013-02-19
Classification: B66F

Abstract:
1. A support arm for a lifting platform for motor vehicles, comprising at least one relatively wide accommodating arm and an extension arm telescopically movable therein, the arms each being made of torsionally rigid and flexurally stiff hollow profiles, a support bearing at a rear end of the accommodating arm providing a pivotable hinging connection between a lifting carriage of a column and the accommodating arm, and a bearing foot at a free end of the extension arm, wherein at least the accommodating arm is cut from a steel plate blank and is shaped into the hollow profile, at least one transverse reinforcement mounted on at least the accommodating arm, and configured and arranged to strengthen the accommodating arm, and at least the accommodating arm has a square hollow profile and a continuous longitudinal slot in one wall, wherein the continuous longitudinal slot is formed by a first free end edge in the one wall and a second free end edge in the one wall that face each other at the slot and wherein a support plate is attached between upper and lower block-like flat irons to the free end of the extension arm, the extension arm having a first free end edge and a second free end edge that face each other to form a continuous longitudinal slot that overlaps the continuous longitudinal slot of the accommodating arm, and wherein the free end edges of the extension arm are different dimensions than the free end edges of the accommodating arm, and wherein the block-like flat irons are permanently connected to the support plate and to walls of the extension arm.