AUTOMOBILE JACK Russian patent published in 2003 - IPC

FIELD: automotive industry; automobile maintenance and repair facilities. SUBSTANCE: invention relates to hand-operated jacks. Proposed jack contains housing accommodating lifting device including screw drive, intermediate device and drive. Intermediate device consists of rigidly interconnected lower and upper members. Lower member is installed concentrically relative to housing and is fixed in axial and redial directions. Lower member of said members of intermediate device is made in form of cup with radial bearing placed between wall of cup and wall of housing also made in form of cup. Cup of lower member of intermediate device is made on lower section in form of step over entire perimeter with bottom and support parts forming angular zone. Housing is also provided with angular zone formed by wall and bottom part. Thrust bearing is installed between angular zones of cups of housing and lower member of intermediate device and upper member of intermediate device is coupled with drive mechanism. EFFECT: improved reliability. 5 cl, 7 dwg