| 摘要 |
This invention describes a jack for vehicles of the kind named in Y. It has a base plate (1) with perforated flappers which receive and fix, particularly, jack body wings projecting necks. A nut (13) which fastens body end, with an easy inlet in such end, and a fixation by skegs (14) which are bent on nut central portion. Jack arm (3) also shows two necks projecting inwards, wherein a crosspiece based on an U-shaped section piece is received, the wings of which, that embrace aforementioned necks, are made with U apertures. This crosspiece base is controlled by an easy entrance special grip in arm housing. An arm (30) specially conceived in shape acts in combination with a grip-crosspiece the seat of which for vehicle has a metallic insert (40). This grip-crosspiece is provided with an exterior stop, wherein spindle end is supported. This contributions set eliminates conventional pieces and make a faster and more effective mounting of various components.
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