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Tool interface for robot end effectors

  • US 4,615,101 A
  • Filed: 03/08/1985
  • Issued: 10/07/1986
  • Est. Priority Date: 03/08/1985
  • Status: Expired due to Fees
First Claim
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1. A tool interface for a robot end effector comprisinga tool changer rotatable about a longitudinal axis and having a socket on the longitudinal axis with means for clamping a tool in said socket,sleeve means for engaging said means for clamping,means axially positioned behind said sleeve means for pushing said sleeve means into engagement with said clamping means,a piston having an annular portion radially spaced from said sleeve, and a radial portion integrally connected to said annular portion and spaced apart from walls of said socket to form a chamber, said radial portion being in contact with said pushing means in a position capable of pushing longitudinally back against said pushing means, and a fluid supply line for supplying pressurized fluid to said chamber, said piston and said fluid supply line forming a fluid pressure means for forcing said pushing means away from said sleeve means and releasing a tool from said clamping means, andmeans disposed on said longitudinal axis for rotating said tool changer about said longitudinal axis.

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