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US3922882A Expired / Lapsed US ⏱️ 0.0 years remaining

Power transmission assembly for use in motor vehicles

Assignee: Yazaki Corp
•
Filing: 1973-10-02
•
Granted: 1975-12-02
•
Expires: 1993-10-02
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Abstract

Abstract A tubing for holding therein a flexible shaft used in motor vehicles, characterized by its inner face provided with a plurality of portions for residence of a lubricant. The portions can easily be provided by making the inner face of the tubing polygonal in cross section. With such structure of tubing, the leakage-out of the lubricant can be effectively avoided.

Inventors

  • 👤 Isao Kimata

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:06
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/24; F16C1/02; F16C1/06; F16C1/26; Y; Y10; Y10S; Y10S464/00; Y10S464/902; Y10S464/903; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 57 words
A power transmission assembly for use in motor vehicles, comprising a tubular member having an inner face with a hexagonal cross section to form six corner sections to contain a lubricant, and a flexible shaft of circular cross section which is entirely supported with only the aid of the lubricant in coaxial alignment with the tubular member.
Claim 2
Dependent Claim 57 words
A power transmission assembly for use in motor vehicles, comprising a tubular member having an inner face with a hexagonal cross section to form six corner sections to contain a lubricant, and a flexible shaft of circular cross section which is entirely supported with only the aid of the lubricant in coaxial alignment with the tubular member.
Claim 3
Dependent Claim 31 words
A power transmission assembly according to claim 1, wherein the tubular member is provided on its outer periphery with a plurality of steel wires helically wound thereon or a steel braid.

References Cited (Backward Citations)

US2087373A Cited
US2012842A Cited
US2036528A Cited
US3224260A Cited
US3791898A Cited
US3481156A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-12-01 1979-06-02 1979-12-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-12-01 1983-06-02 1983-12-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-12-01 1987-06-02 1987-12-02 $7700.00 Window Closed / Lapsed

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