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US5176544A Expired / Lapsed US ⏱️ 0.0 years remaining

Shape memory actuator smart connector

Assignee: Johnson Service Co
•
Filing: 1991-05-22
•
Granted: 1993-01-05
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Expires: 2011-05-22
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Abstract

Abstract A pivotal electrical connector for connecting a shape memory alloy element in the form of a coil spring to a fixed member, the connector including a strip of electrically conductive material having a clip or a pair of legs for securing the connector to one of the coils of the element. A pair of holes may be provided in the strip through which the coil is threaded. A rotational connector is provided in the strip for engaging the fixed member.

Inventors

  • 👤 II David N. AbuJudom
  • 👤 Paul E. Thoma
  • 👤 Roger V. Hajny
  • 👤 Steven A. Linstead
  • 👤 Bruce R. Schultz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:32
CPC Classifications
F; F03; F03G; F03G7/00; F03G7/06; F03G7/061; F03G7/0614; F03G7/06145; F03G7/063; F03G7/0633; F23; F23N; F23N3/00; F23N3/04; F23N3/042; F03G7/066; F23N2231/00; F23N2231/16; H; H01; H01H; H01H61/00; H01H61/01; H01H61/0107; H01H2061/0122; Y; Y10; Y10S; Y10S439/00; Y10S439/932

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 67 words
An electrically conductive connector for connecting a coil-shaped shape memory element to a pin, said connector comprising a strip of electrically conductive material, means at one end of said strip for connecting said connector to one of the coils of the element, said connecting means including a pair of holes, with the coil threaded through the holes and means in said strip for rotationally engaging the pin.
Claim 2
Dependent Claim 67 words
An electrically conductive connector for connecting a coil-shaped shape memory element to a pin, said connector comprising a strip of electrically conductive material, means at one end of said strip for connecting said connector to one of the coils of the element, said connecting means including a pair of holes, with the coil threaded through the holes and means in said strip for rotationally engaging the pin.
Claim 3
Dependent Claim 54 words
The connector according to claim 1 wherein said connecting means comprises a clip formed at the end of said strip by a first portion folded at a right angle to said strip and a second portion folded to a parallel relation with respect to said first portion to secure the coil in the clip.
Claim 4
Dependent Claim 37 words
The connector according to claim 1 wherein said connector is formed from a material having a thermal conductivity less than 60 BTU Ft./ Hr . Ft. 2.sub.°F. and an electrical resistivity less than 200 micro ohm. cm.
Claim 5
Dependent Claim 14 words
The connector according to claim 1 wherein said strip is formed from stainless steel.

References Cited (Backward Citations)

US4487053A Cited
US4284235A Cited
US4881981A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-01-05 1996-07-06 1997-01-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-01-05 2000-07-06 2001-01-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-01-05 2004-07-06 2005-01-05 $7700.00 Window Closed / Lapsed

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