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US3605239A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for external installation of resilient seals

Assignee: Individual
•
Filing: 1970-01-16
•
Granted: 1971-09-20
•
Expires: 1990-01-16
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Abstract

Abstract AN APPARATUS FOR AUTOMATICALLY INSTALLING DISTENSIBLE ANNULAR COMPONENTS SUCH AS O-RINGS SEALS ONTO A SHAFT OR THE LIKE. A FEEDING MECHANISM TRANSPORTS THE SEAL TO A POSITIONING HEAD WHERE IT REMAINS UNTIL AN APPLICATOR MECHANISM PICKS IT UP AND STRETCHES IT. THE SEAL IS THEN TRANSPORTED OVER THE SHAFT AND ONCE IT IS IN POSITION IT IS STRIPPED AUTOMATICALLY FROM THE APPLICATOR MECHANISM WHEREUPON THE SEAL CONTRACTS ABOUT THE SHAFT IN THE REQUIRED POSITION.

Inventors

  • 👤 Harald Eschholz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 03:09
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/08; B23P19/084; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53039; Y10T29/53061; Y10T29/53074; Y10T29/53478; Y10T29/53657

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

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