Patent US3224600A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3224600A Expired / Lapsed US ⏱️ 0.0 years remaining

Draft gear rigging for railroad cars

Assignee: Standard Car Truck Co
•
Filing: 1964-06-08
•
Granted: 1965-12-21
•
Expires: 1984-06-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert W Gierlach

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 20:59
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/04; B61G9/12; B61G9/16

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 172 words
A RAILROAD CAR, A CENTER SILL EXTENDING LONGITUDINALLY THEREOF, A DRAFT RIGGING ADJACENT THE END OF THE CAR INCLUDING HORIZONTAL AND VERTICAL DRAFT YOKES, ONE WITHIN THE OTHER AND EACH YOKE FREE TO MOVE LONGITUDINALLY WITH RESPECT TO THE OTHER AND WITH RESPECT TO THE SILL, OPPOSED FOLLOWER BLOCKS ENCLOSED IN, SUPPORTED AND GUIDED BY THE YOKES, A DRAFT CUSHION INTERPOSED BETWEEN THE BLOCKS, ONE OF THE BLOCKS ABUTTING ON ONE OF THE YOKES, THE OTHER BLOCK ABUTTING ON THE OTHER, A SHANK INTEGRAL WITH EACH YOKE, THE SHANKS EXTENDING INWARDLY OF THE CAR FROM THE YOKES, ONE OF THE SHANKS BEING SLOTTED, A KEY EXTENDING THERETHROUGH AND HELD AGAINST MOVEMENT THEREIN PERPENDICULAR TO THE YOKE AXIS, THE CENTER SILL BEING SLOTTED TO PERMIT MOVEMENT OF THE KEY AND YOKE LONGITUDINALLY OF THE SILL, DRAFT STOPS IN THE PATH OF THE KEY TO POSITIVELY LIMIT OUTBOARD MOVEMENT OF THE YOKE, MEANS FOR APPLYING PRESSURE TO THE YOKE IN WHICH THE COUPLER SHANK IS SOCKETED TENDING TO MOVE IT TOWARD THE COUPLER SHANK.

References Cited (Backward Citations)

US1132819A Cited
US1187976A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-20 1969-06-21 1969-12-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-20 1973-06-21 1973-12-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-20 1977-06-21 1977-12-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag