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Sealed joint for a robot and the like

  • US 4,678,952 A
  • Filed: 08/13/1985
  • Issued: 07/07/1987
  • Est. Priority Date: 08/13/1985
  • Status: Expired due to Fees
First Claim
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1. A sealed joint as for a robot comprising,first and second closed, laterally adjacent sleeves mounted for a rotation about a common axis, the sleeves separated by a rotary seal having two contacting members, one associated with each sleeve, and means for adjustably positioning the seal between the sleeves,a motor having a rotor and a stator mounted within the first sleeve, the rotor parallel to the axis of the sleeves, the second sleeve having a driven member, the two sleeves having a link member internally joining the rotor and the driven member, whereby the rotor transfers power to the link member so that the first sleeve drives the second sleeve, and means for sealing the two sleeves containing the motor, driven member, and link member assembly, anda fluid coolant tube extending into a sealable port of the first sleeve and communicating thermally with said motor.

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