ELECTRICAL CONTACT DEVICE

• US 3,748,373 A
• Filed: 04/14/1972
• Issued: 07/24/1973
• Est. Priority Date: 04/14/1972
• Status: Expired due to Term

• Current Assignee: Roger Remy
• Original Assignee: Roger Remy
• Inventors: Remy, Roger
• Primary Examiner(s): Gilheany, Bernard A.
• Assistant Examiner(s): Grimley, A. T.
• Application Number:
  US05/244,122
• Time in Patent Office: 466 Days
• Field of Search: 174/28,29,12R,113R,115 200/61.41,61.24,61.23,85,86 340/272
• US Class Current: 174/115
• CPC Class Codes: H01B 7/10 Contact cables, i.e. having conductors which may be brought into contact by distortion of the cable

Abstract

A linear electrical contact device comprising a central conductor, a tubular braid of metallic threads, and a tubular braid of interwoven insulating threads separating the central conductor and the tubular braid of metallic threads. The tubular braid of intermoven insulating threads forms a cord helically wound around the central conductor and is thermo-welded to the central conductor so as to be permanently secured thereto. The contact device can be used in combination with a vehicle window slide to activate when an object is caught in the window as the window is rolled up.

Claims

1. A linear electrical contact device comprising a central conductor, a tubular conductor surrounding said central conductor and consisting of a braid of metallic threads, and a tubular braid of interwoven insulating threads separating said conductors and forming a cord helically wound on said central conductor, said cord being secured to at least one conductor so as to prevent sliding thereof with respect to said one conductor, said tubular braid of metallic threads being impregnated with a composition ensuring an homogeneous, waterproof and flexible contact device.

2. A contact device as defined in claim 1, wherein said central conductor is made of stainless steel having a certain resistance and wherein said cord is made of interwoven superpolyamide threads, said cord being secured to said central conductor by passing current through the central conductor which will cause thermal welding of the cord onto the central conductor.

3. The combination of an extruded profile used in a vehicle window slide and having an edge with a tubular housing, with a linear electrical contact device inserted in said tubular housing, said linear electrical contact device comprising a central conductor, a tubular conductor surrounding said central conductor and consisting of a braid of metallic threads, and a tubular braid of interwoven insulating threads separating said conductors and forming a cord helically wound on said central conductor, said cord being secured to at least one conductor so as to prevent sliding thereof with respect to said one conductor, said tubular braid of metallic threads being impregnated with a composition ensuring an homogeneous, waterproof and flexible contact device.

4. A contact device as defined in claim 3, wherein said central conductor is made of stainless steel having a certain resistance and wherein said cord is made of interwoven superpolyamide threads, said cord being secured to said central conductor by passing current through the central conductor which will cause thermal welding of the cord onto the central conductor.