MULTIPOSITION GRAB OF MANIPULATOR Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: device comprises base 1 carrying grab bodies 3 installed on which on axles 4 are grab levers with projections 6 positioned above axle 4 and projections 7 installed below said axle 4. Lever jaws are provided with corrugations 9. Bushings 10 installed rotatably on body 3 have gear rims 11 on one side and contour-following devices on the other one. Each of said devices is made of a flexible sheet material and provided with retainers. Secured to base 1 is the casing of power cylinder 17 whose rod is connected to manipulator arm. Said arm has guide columns while base 1 is loaded by springs 21. Rod of the power cylinder carries racks 24 meshing with gear rims 11. EFFECT: improved functional and operating characteristics. 5 dwg