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US3626719A Expired / Lapsed US ⏱️ 0.0 years remaining

Mechanical power transmission coupling

Assignee: Individual
•
Filing: 1970-06-26
•
Granted: 1971-12-14
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Expires: 1990-06-26
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Abstract

Abstract A MECHANICAL POWER TRANSMISSION COUPLING STRUCTURE PARTICULARLY SUITABLE FOR USE WITH A ROLLING MILL HAVING A ROLL WITH A NECK OR DRIVE SHAFT CONNECTED TO THE ROLL, IN WHICH THE COUPLING STRUCTURE INCLUDES LANDS ON THE ROLL NECK AND A CONNECTOR WITH A BORE HAVING CORRESPONDING LANDS THEREIN FOR MOUNTING ON THE ROLL NECK. FLUID OPERATED PISTONS DISPOSED IN CYLINDERS IN THE NECK ENGAGE THE LANDS ON THE ADAPTER TO FORM A FIRM CONNECTION BETWEEN THE COUPLING AND THE ROLL. THE FLUID, WHICH IS PREFERABLY HYDRAULIC, IS TRANSMITTED TO THE CYLINDERS IN THE ROLL NECK THROUGH PASSAGES IN THE ROLL. WHEN THE PISTONS ARE ACTUATED, THE LANDS ON THE ROLL NECK SEAT ON THE LANDS OF THE ADAPTER, THEREBY ELIMINATING OR MINIMIZING MOVEMENT BETWEEN THE PARTS AND PREVENTING FRETTING, EXCESSIVE WEAR, AND BACKLASH.

Inventors

  • 👤 Robert M Church

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 07:02
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/10; B; B21; B21B; B21B35/00; B21B35/14; B21B35/141; B21B35/142; B21B35/143; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7098

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) 1974-12-13 1975-06-14 1975-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-12-13 1979-06-14 1979-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-12-13 1983-06-14 1983-12-14 $7700.00 Window Closed / Lapsed

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