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US4800243A Expired / Lapsed US ⏱️ 0.0 years remaining

Contactor rubber

Assignee: Polymatech Co Ltd
•
Filing: 1986-08-14
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Granted: 1989-01-24
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Expires: 2006-08-14
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Abstract

Abstract A rubber structure contact connector includes a support upon which is placed an electrical contact. An insulating material, such as rubber, is applied over the contact and overlies the support and it has a portion which is formed as a raised dome-shaped resilient compressible portion or actuating key. On the interior of the dome-shaped, resilient compressible portion, there is a surface which has an oil-resistant layer thereon and a conductive portion which overlies the oil-resistant layer. The conductive portion is aligned over the electrical contact. In another embodiment, instead of the covering on the interior surface of the key which includes only an oil-resistant layer and an electrical conductive part, there is an electro-conductive part on the interior surface followed by an oil-resistant layer and another electrical conductive part.

Inventors

  • 👤 Yasuhisa Osawa
  • 👤 Yasuko Kimura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 05:06
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/78; H01H13/785; H01H13/702; H01H2201/00; H01H2201/022; H01H2201/032; H01H2205/00; H01H2205/002

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 73 words
A rubber structure contact connector, comprising a support having an electrical contact, an insulating rubber portion overlying said contact on said support and having a raised dome-shaped resilient compressible portion with an interior face and an opposite exterior face, said opposite exterior face being formed as a key, said interior face of said compressible portion having an oil-resistant layer thereon, and a conductive portion overlying said oil-resistant layer aligned over said electrical contact.
Claim 2
Dependent Claim 73 words
A rubber structure contact connector, comprising a support having an electrical contact, an insulating rubber portion overlying said contact on said support and having a raised dome-shaped resilient compressible portion with an interior face and an opposite exterior face, said opposite exterior face being formed as a key, said interior face of said compressible portion having an oil-resistant layer thereon, and a conductive portion overlying said oil-resistant layer aligned over said electrical contact.
Claim 3
Dependent Claim 36 words
A rubber structure contact connector according to claim 1, including an additional electroconductive layer applied on said interior face of said compressible portion disposed between said oil-resistant layer and said interior face of said compressible portion.
Claim 4
Dependent Claim 18 words
A rubber structure contact connector according to claim 1, wherein the oil-resistant layer consists of an oil-resistant rubber.
Claim 5
Dependent Claim 19 words
A rubber structure contact connector according to claim 1, wherein the oil-resistant layer consists of a synthetic resin film.

References Cited (Backward Citations)

US4207443A Cited
US4528428A Cited
FR2576449A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-01-24 1992-07-25 1993-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-01-24 1996-07-25 1997-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-01-24 2000-07-25 2001-01-24 $7700.00 Window Closed / Lapsed

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