← Back to Patent Explorer
US3826154A Expired / Lapsed US ⏱️ 0.0 years remaining

Means for controlling chain take-up in a hand brake mechanism

Assignee: Miner Enterprises Inc
•
Filing: 1972-08-07
•
Granted: 1974-07-30
•
Expires: 1992-08-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A HAND BRAKE MECHANISM HAVING A ROTATABLE OPERATING SPINDLE, A ROTATABLE PINION ADAPTED TO BE COUPLED TO THE OPERATING SPINDLE, AND A ROTATABLE WINDING DRUM UNIT INCLUDING A GEAR MESHING WITH THE PINION AND A DRUM UPON WHICH BRAKE CHAIN MAY BE WOUND. THE PINION HAS A PLURALITY OF STANDARD TEETH OF UNIFORM FACE WIDTH AND AT LEAST ONE SPECIAL TOOTH WITH A LATERAL EXTENSION PORTION, THE GEAR HAS A PLURALITY OF TEETH WITH STOP MEANS INTERMEDIATE AT LEAST TWO ADJACENT OF THE TEETH AT THE ENDS THEREOF, AND THE LATERAL EXTENSION PORTION OF THE SPECIAL TOOTH OF THE PINION IS ENGAGEABLE WITH THE STOP MEANS TO PREVENT INTERENGAGEMENT OF THE SPECIAL TOOTH BETWEEN THE TWO ADJACENT TEETH OF THE GEAR WHEREBY TO LIMIT ROTATION OF THE WINDING DRUM UNIT. D R A W I N G

Inventors

  • 👤 U Motus
  • 👤 R Hammarlund

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 19:20
CPC Classifications
B; B61; B61H; B61H13/00; B61H13/02; B61H13/04; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19637; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/2048

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-07-29 1978-01-28 1978-07-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-29 1982-01-28 1982-07-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-29 1986-01-28 1986-07-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag