← Back to Patent Explorer
US3077159A Expired / Lapsed US ⏱️ 0.0 years remaining

Variable stroke reciprocating mechanism

Assignee: Samuel M Langston Co
•
Filing: 1961-02-10
•
Granted: 1963-02-12
•
Expires: 1981-02-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 William F Ward
  • 👤 Jr Henry D Ward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 20:19
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/15; F; F16; F16H; F16H21/00; F16H21/10; F16H21/16; F16H21/18; F16H21/20; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18272

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 156 words
IN COMBINATION, A DRIVING ROLLER, A FIRST SHAFT POSITIONED SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID DRIVING ROLLER, SAID FIRST SHAFT HAVING AT LEAST ONE ECCENTRICALLY ARRANGED LONGITUDINAL BORE, GEAR MEANS TO IMPART ROTATIONAL MOTION OF SAID DRIVING ROLLER TO SAID FIRST SHAFT, A SECOND SHAFT ROTATABLY SECURED IN EACH SAID BORE IN SAID FIRST SHAFT, A RING GEAR MOUNTED ADJACENT AN END OF EACH SAID SECOND SHAFT, A WALKING GEAR MOUNTED ON EACH SAID SECOND SHAFT AND ADAPTED TO TRAVERSE ITS RESPECTIVE RING GEAR UPON ROTATION OF SAID FIRST SHAFT, AN IDLER ROLLER, MEANS INCLUDING A DRIVE BOSS MOUNTED ON EACH SAID WALKING GEAR, THE MOTION OF EACH DRIVE BOSS BEING ESSENTIALLY PLANAR, YOKE MEANS ROTATABLY CONNECTED WITH SAID DRIVING ROLLER AND SAID IDLER ROLLER AND ADAPTED TO RECEIVE EACH DRIVE BOSS, WHEREBY THE ESSENTIALLY PLANAR MOTION OF EACH DRIVE BOSS IS TRANSLATED INTO RECIPROCATORY MOTION OF SAID DRIVING ROLLER AND SAID IDLER ROLLER.
Claim 2
Dependent Claim 156 words
IN COMBINATION, A DRIVING ROLLER, A FIRST SHAFT POSITIONED SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID DRIVING ROLLER, SAID FIRST SHAFT HAVING AT LEAST ONE ECCENTRICALLY ARRANGED LONGITUDINAL BORE, GEAR MEANS TO IMPART ROTATIONAL MOTION OF SAID DRIVING ROLLER TO SAID FIRST SHAFT, A SECOND SHAFT ROTATABLY SECURED IN EACH SAID BORE IN SAID FIRST SHAFT, A RING GEAR MOUNTED ADJACENT AN END OF EACH SAID SECOND SHAFT, A WALKING GEAR MOUNTED ON EACH SAID SECOND SHAFT AND ADAPTED TO TRAVERSE ITS RESPECTIVE RING GEAR UPON ROTATION OF SAID FIRST SHAFT, AN IDLER ROLLER, MEANS INCLUDING A DRIVE BOSS MOUNTED ON EACH SAID WALKING GEAR, THE MOTION OF EACH DRIVE BOSS BEING ESSENTIALLY PLANAR, YOKE MEANS ROTATABLY CONNECTED WITH SAID DRIVING ROLLER AND SAID IDLER ROLLER AND ADAPTED TO RECEIVE EACH DRIVE BOSS, WHEREBY THE ESSENTIALLY PLANAR MOTION OF EACH DRIVE BOSS IS TRANSLATED INTO RECIPROCATORY MOTION OF SAID DRIVING ROLLER AND SAID IDLER ROLLER.

References Cited (Backward Citations)

US1408439A Cited
GB486889A Cited
US2155354A Cited
US2700335A Cited
US2915008A Cited
US2903966A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-02-11 1966-08-13 1967-02-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-02-11 1970-08-13 1971-02-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-02-11 1974-08-13 1975-02-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag