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Linear actuator and method of making a linear actuator

  • US 5,918,505 A
  • Filed: 06/17/1997
  • Issued: 07/06/1999
  • Est. Priority Date: 12/23/1994
  • Status: Expired due to Term
First Claim
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1. A linear actuator comprising:

  • an electric motor and a transmission,a spindle connected with the electric motor and the transmission for rotating the spindle,a nut which by the rotation of the spindle can be displaced along the spindle,an expelling rod in the nature of a tube, one end of which is mounted to the nut and surrounding at least a length of the spindle,wherein said nut is made of an elastomeric material and joined to the expelling rod by intermeshing embossing on at least a part of the outer surface of the nut and at least a part of the interior surface of the expelling rod for the transfer of axial forces as well as torques.

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