Patent US3344895A successfully refreshed from Google Patents.
US3344895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand brake arrangement
Assignee: ACF Industries Inc
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Filing: 1966-03-02
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Granted: 1967-10-03
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Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 Roy J Holden
- 👤 Ronald P Bolte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:11
CPC Classifications
B; B61; B61H; B61H13/00; B61H13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A HAND BRAKE ARRANGEMENT FOR A RAILWAY CAR HAVING A SUPPORTING TRUCK WITH A PLURALITY OF WHEELS AT EACH SIDE THEREOF, SAID HAND BRAKE ARRANGEMENT COMPRISING A BRAKE CYLINDER MOUNTED ON EACH SIDE OF THE TRUCK, A PISTON ROD EXTENDING FROM EACH BRAKE CYLINDER, A CYLINDER LEVER CONNECTED TO EACH PISTON ROD, BRAKE SHOES OPERATIVELY CONNECTED TO EACH CYLINDER LEVER FOR ENGAGING THE RESPECTIVE ADJACENT WHEELS, A SINGLE FLEXIBLE MEMBER CONNECTED BETWEEN THE CYLINDER LEVERS AND EXTENDING ACROSS THE TRUCK, GUIDE MEANS FIXED TO EACH SIDE OF THE RAILWAY CAR BODY TO GUIDE THE FLEXIBLE MEMBER BETWEEN THE CYLINDER LEVERS AND TO PERMIT PULLING OF THE PISTON RODS IN A DIRECTION LONGITUDINALLY OF THE CAR, A FLOATING SHEAVE IN ENGAGEMENT WITH SAID FLEXIBLE MEMBER AT A POSITION INTERMEDIATE THE SIDES OF THE TRUCK, A HANDWHEEL ADAPTED TO BE ROTATED FOR SETTING THE BRAKES, AND MEANS OPERATIVELY CONNECTING THE HANDWHEEL AND FLOATING SHEAVE WHEREBY ROTATION OF SAID HAND WHEEL IN ONE DIRECTION MOVES SAID SHEAVE IN A DIRECTION GENERALLY LONGITUDINALLY OF THE RAILWAY CAR TO PULL SAID FLEXIBLE MEMBER IN A DIRECTION TO ACTUATE SAID CYLINDER LEVERS FOR SETTING OF THE BRAKES.
Claim 2
Dependent Claim
191 words
A HAND BRAKE ARRANGEMENT FOR A RAILWAY CAR HAVING A SUPPORTING TRUCK WITH A PLURALITY OF WHEELS AT EACH SIDE THEREOF, SAID HAND BRAKE ARRANGEMENT COMPRISING A BRAKE CYLINDER MOUNTED ON EACH SIDE OF THE TRUCK, A PISTON ROD EXTENDING FROM EACH BRAKE CYLINDER, A CYLINDER LEVER CONNECTED TO EACH PISTON ROD, BRAKE SHOES OPERATIVELY CONNECTED TO EACH CYLINDER LEVER FOR ENGAGING THE RESPECTIVE ADJACENT WHEELS, A SINGLE FLEXIBLE MEMBER CONNECTED BETWEEN THE CYLINDER LEVERS AND EXTENDING ACROSS THE TRUCK, GUIDE MEANS FIXED TO EACH SIDE OF THE RAILWAY CAR BODY TO GUIDE THE FLEXIBLE MEMBER BETWEEN THE CYLINDER LEVERS AND TO PERMIT PULLING OF THE PISTON RODS IN A DIRECTION LONGITUDINALLY OF THE CAR, A FLOATING SHEAVE IN ENGAGEMENT WITH SAID FLEXIBLE MEMBER AT A POSITION INTERMEDIATE THE SIDES OF THE TRUCK, A HANDWHEEL ADAPTED TO BE ROTATED FOR SETTING THE BRAKES, AND MEANS OPERATIVELY CONNECTING THE HANDWHEEL AND FLOATING SHEAVE WHEREBY ROTATION OF SAID HAND WHEEL IN ONE DIRECTION MOVES SAID SHEAVE IN A DIRECTION GENERALLY LONGITUDINALLY OF THE RAILWAY CAR TO PULL SAID FLEXIBLE MEMBER IN A DIRECTION TO ACTUATE SAID CYLINDER LEVERS FOR SETTING OF THE BRAKES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |