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No-load breakable electrical contact especially for connected appliances or vehicles

  • US 5,024,604 A
  • Filed: 11/22/1989
  • Issued: 06/18/1991
  • Est. Priority Date: 11/25/1988
  • Status: Expired due to Term
First Claim
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1. Electrical contact for electrically connecting at least two coupled appliances or vehicles;

  • comprising a first electrical contact part and a second part located adjacent said electrical contact part and forming reversible mechanical junction means for the electrical contact, said mechanical junction means being configured so as not to affect the integrity of the electrical contact part during extraction or contact-breaking, said mechanical junction means including external engagement elements independently of the electrical contact part, said engagement elements including at least two articulated arms secured to the periphery of the electrical contact part diametrically opposite each other, said arms having spring pushers connected thereto for engaging elastically during the closing of the contact onto a retention profile on the body of a movable contact portion of said electrical contact part upon the arms being locked during operation and positioned along the body of a fixed contact portion of said electrical contact part, said spring pushers being calibrated to a specific force in order to allow the safety release of the said movable portion of the electrical contact part responsive to a specified separating force, whereby the junction is makeable manually under no voltage and breakable under no voltage in response to said separating force.

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