Device for interchange of tools

Details Device for interchange of tools Device for interchange of tools

1988-09-06

1990-01-30

Spar, Robert J.

Material or article handling

Vertically swinging load support

Grab

29568, 279 1B, 294 8228, 294 864, 403225, 901 28, 901 41, B25J 1700

Patent

active

048970140

ABSTRACT:
A device for interchanging tools on a mechanical manipulator arm includes a male locking cone unit, a female receptacle cone unit and a motor unit. The male locking cone unit has 3, 6 or 12 equal size balls captured in a male conical cage to extend through its external surface. The female receptacle cone unit that carries a tool includes a dished member having an internal conical surface mating with the external surface of the locking cone, a groove in the conical surface contoured to embrace portions of the balls positioned therein and lands in the groove dividing it into 8 sections of substantially equal length. The lands prevent the balls when in the groove from moving from one of the sections to another. The motor unit, which axially connects via a power take off system with the tool to operate it, is mounted on the female receptacle cone unit.

REFERENCES:
patent: 4603998 (1986-08-01), Bober et al.
patent: 4652203 (1987-03-01), Nakashima et al.
patent: 4776232 (1988-10-01), Beyer

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