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Patent US3621746A successfully refreshed from Google Patents.
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US3621746A Expired / Lapsed US ⏱️ 0.0 years remaining

Trimmers

Assignee: Individual
•
Filing: 1970-04-24
•
Granted: 1971-11-23
•
Expires: 1990-04-24
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Abstract

Abstract THE MACHINE FOR TRIMMING TAPES HAS A BASE HAVING AN OPENING THEREIN ADJACENT ONE EDGE. A ROLL IS JOURNALED IN THE OPENING AND IS PROVIDED WITH A CUTTING END. A SECOND ROLL COOPERATES WITH THE FIRST ROLL AND HAS AN ENLARGED PORTION PROVIDING A CUTTING SHOULDER WHICH ENGAGES THE CUTTING END OF THE FIRST ROLL. A SHAFT ON THE BASE CARRIES THE SECOND ROLL WHICH IS AXIALLY SLIDABLE THEREON. BEARINGS ON THE BASE AT THE ENDS OF THE SHAFT YIELDABLY MAINTAIN THE ROLLS IN PERIPHERAL CONTACT. INTERMESHING GEARS ON THE ROLLS ROTATE THE ROLLS IN OPPOSITE DIRECTIONS TO FEED A TAPE THERETHROUGH WHEN CAUGHT IN THE BITE OF THE ROLLS. A SPRING ON THE SHAFT YIELDABLY URGES THE CUTTING SHOULDER INTO CONTACT WITH THE CUTING END OF THE FIRST ROLL TO LONGITUDINALLY SEVER THE TAPE PASSING BETWEEN THE ROLLS. AND GUIDES ON THE BASE DIRECT THE TAPE INTO THE BITE OF THE ROLLS IN DESIRED RELATION TO THE CUTTING SHOULDER.

Inventors

  • 👤 Hudson Womack

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 03:09
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/24; B26D1/245; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6592; Y10T83/6598; Y10T83/727; Y10T83/744; Y10T83/745; Y10T83/768; Y10T83/7793; Y10T83/7797; Y10T83/7809; Y10T83/783; Y10T83/7834

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) 1974-11-22 1975-05-24 1975-11-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-11-22 1979-05-24 1979-11-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-11-22 1983-05-24 1983-11-23 $7700.00 Window Closed / Lapsed

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