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US3960027A Expired / Lapsed US ⏱️ 0.0 years remaining

Bicycle pedal attachment

Assignee: Individual
•
Filing: 1975-10-08
•
Granted: 1976-06-01
•
Expires: 1995-10-08
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Abstract

Abstract A supporting strip to which is applied upward spring tension has an inwardly inclined heel member to be urged against the heel of a bicyclist. The heel member permits upward force on the crank of a bicycle such that driving force can be applied from each pedal to the crank most of the time during each revolution.

Inventors

  • 👤 Leo D. Magnuson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 13:29
CPC Classifications
B; B62; B62M; B62M3/00; B62M3/08; B62M3/083; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2164; Y10T74/2168; Y10T74/217

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 194 words
A bicycle pedal attachment having a heel member for engaging the back of a bicyclist's shoe comprising: a supporting strip of sufficient length to extend rearwardly from a bicycle pedal below the sole of a bicyclist's shoe to the back thereof, means for attaching one end of said supporting strip to a pedal of a bicycle such that said strip extends rearwardly past that portion of a crossbar of a pedal that faces downwardly while said pedal attachment is being used, spring means for urging said rearwardly extending portion of said strip obliquely upwardly with respect to the face of a pedal against which the sole of a bicyclist's shoe is to be pressed, said heel member extending upwardly from the other end of said strip for engaging that portion of a shoe back of the upper portion of a bicyclist's heel, and said strip having sufficient freedom of motion and said spring means having sufficient spring tension to urge said strip and said heel member upwardly against the heel of a bicyclist's shoe for all normal inclinations of the heel during normal revolutions of a bicycle pedal to which said strip is attached.
Claim 2
Dependent Claim 194 words
A bicycle pedal attachment having a heel member for engaging the back of a bicyclist's shoe comprising: a supporting strip of sufficient length to extend rearwardly from a bicycle pedal below the sole of a bicyclist's shoe to the back thereof, means for attaching one end of said supporting strip to a pedal of a bicycle such that said strip extends rearwardly past that portion of a crossbar of a pedal that faces downwardly while said pedal attachment is being used, spring means for urging said rearwardly extending portion of said strip obliquely upwardly with respect to the face of a pedal against which the sole of a bicyclist's shoe is to be pressed, said heel member extending upwardly from the other end of said strip for engaging that portion of a shoe back of the upper portion of a bicyclist's heel, and said strip having sufficient freedom of motion and said spring means having sufficient spring tension to urge said strip and said heel member upwardly against the heel of a bicyclist's shoe for all normal inclinations of the heel during normal revolutions of a bicycle pedal to which said strip is attached.
Claim 3
Dependent Claim 26 words
A bicycle pedal attachment as claimed in claim 1 wherein said supporting strip and said spring means comprises a strip of steel that has spring characteristics.
Claim 4
Dependent Claim 70 words
A bicycle pedal attachment as claimed in claim 2 wherein said means for attaching one end of said strip includes a longitudinal slot through said one end of said supporting strip and a yoke adapted to extend through said slot and over a barrel of a bicycle pedal, said slot providing longitudinal adjustment of said supporting strip with respect to a pedal to which the strip is to be attached.
Claim 5
Dependent Claim 81 words
A bicycle attachment as claimed in claim 1 wherein said means for attaching one end of said strip includes an eye to be mounted about the barrel of a pedal, said supporting strip being easily pivoted on said eye about a barrel to which it is attached, and said spring means comprises a coiled spring adapted to be connected between a crossbar of a pedal to which said strip is to be attached and an adjacent portion of said supporting strip.

References Cited (Backward Citations)

US639132A Cited
US1120460A Cited
US1157140A Cited
GB485748A Cited
GB703040A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-06-01 1979-12-01 1980-06-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-06-01 1983-12-01 1984-06-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-06-01 1987-12-01 1988-06-01 $7700.00 Window Closed / Lapsed

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