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US3562871A Expired / Lapsed US ⏱️ 0.0 years remaining

Endless belt assembly with insert coupling

Assignee: L M and L Corp
•
Filing: 1969-04-04
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Granted: 1971-02-16
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Expires: 1989-04-04
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Abstract

Abstract A CONTINUOUS BELT ASSEMBLY SUITABLE FOR USE IN HIGHVELOCITY, MODERATE-LOAD POWER TRANSMISSION APPLICATIONS COMPRISING, IN COMBINATION A NOVEL INTERNAL COUPLING MEANS AND A TOUGH EXTENSIBLE, FLEXIBLE AND TEAR RESISTANT POLYMERIC BELTING. THE FASTENING MEANS COMPRISES SHARP HOLDING EDGES AT EITHER END THEREOF, SUCH EDGES BEING ADAPTED TO INDENT, DEFORM, CUT AND GRIP THE WALLS OF THE BELTING WHEN SAID FASTENING DEVICE IS INSERTED INTO HOLLOW SECTIONS OF THE BELTING AND THE BELTING IS SUBSEQUENTLY MOUNTED ON MACHINERY. THE SHARP EDGE INSERT IS FREE OF SHARP PRONGS AND UNDERCUT BARBS, BUT INCLUDES SHARP SPADE-LIKE EDGES DEFINING A FIGURE OF GREATER PERIPHERY THAN THE INSIDE DIAMETER OF THE HOLLOW TUBULAR BELTING, THE CORNER EDGES HAVING OBTUSE ANGLES ON THE PERIPHERY TO LIMIT FRACTURE WHILE DEFORMING THE TUBE INTO A TIGHT STRETCH AROUND THE PERIPHERY.

Inventors

  • 👤 Arnold G Peterson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 18:29
CPC Classifications
F; F16; F16G; F16G3/00; F16G11/00; F16G11/08; Y; Y10; Y10T; Y10T24/00; Y10T24/16; Y10T24/1676

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) 1974-02-15 1974-08-17 1975-02-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-15 1978-08-17 1979-02-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-15 1982-08-17 1983-02-16 $7700.00 Window Closed / Lapsed

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