US129855A - Improvement in railway-car brakes - Google Patents
Improvement in railway-car brakes Download PDFInfo
- Publication number
- US129855A US129855A US129855DA US129855A US 129855 A US129855 A US 129855A US 129855D A US129855D A US 129855DA US 129855 A US129855 A US 129855A
- Authority
- US
- United States
- Prior art keywords
- brake
- railway
- improvement
- lever
- car brakes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 description 8
- 241001272996 Polyphylla fullo Species 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 239000002965 rope Substances 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/2245—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members in which the common actuating member acts on two levers carrying the braking members, e.g. tong-type brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/02—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with mechanical assistance or drive
- B60T13/04—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with mechanical assistance or drive by spring or weight
Definitions
- Patented m 23, 1872 Patented m 23, 1872.
- This invention relates to a peculiar arran gement of brakes for railway-wagons.
- the accompanying drawing represents my improved brake, which is brought into action by the application of a spring(acting by coning lifted off by the brakemau and held off until released also by the hand ofthe brakeman.
- a pulley, E under which a short length of lifting-chain, G, is passed, one end of such chain being secured to the framing at .9, while the other passes onto and is secured to a windlass, h, carrying a brake-wheel, t, round which a brake-strap is passed, connected to a weighted tipping-lever, u.
- the brake-lever D is lifted by turning the windlass by means of a handle for the purpose, and is maintained elevated, as shown, by the friction of the brakestrap.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Description
Patented m 23, 1872.
on O Y A N .W
Improvement in Railway-Car Brakes.
44 PIW TO-LITHOGWAPHIC OQMX/USBORNEI? PROCESS) W traction) and toggle-joint links, the brake be- WILLIAM NAYLOEOF MILDMAY PARK, ENGLAND.
IMPROVEMENT IN RAlLWAY-CAR BRAKES.
Specification forming part of lletters Patent N 0. 129,855, dated July 23, 1872.
SPECIFICATION.
I,W1LLIAM NAYLOR, of Mildmay Park, in the county of Middlesex, England, engineer, have invented Improvements in Bailway- Brakes andin apparatus connected th erewith, of which the following is a specification:
This invention relates to a peculiar arran gement of brakes for railway-wagons.
The accompanying drawing represents my improved brake, which is brought into action by the application of a spring(acting by coning lifted off by the brakemau and held off until released also by the hand ofthe brakeman. 1
On the end of the brake-lever D there is a pulley, E, under which a short length of lifting-chain, G, is passed, one end of such chain being secured to the framing at .9, while the other passes onto and is secured to a windlass, h, carrying a brake-wheel, t, round which a brake-strap is passed, connected to a weighted tipping-lever, u. The brake-lever D is lifted by turning the windlass by means of a handle for the purpose, and is maintained elevated, as shown, by the friction of the brakestrap. When the brake is to be applied the brakeman, as he passes along the wagons, merely throws over the tipping-levers u to the position indicated by the dotted line, whereupon, the windlass-barrels being released, the springs M and toggle-joint links H H will operate upon or depress the brake-levers D of the several wagons, or some of them, and through the ar-, rangement of levers and rods shown in the drawing will apply two brake blocks, S S, simultaneously to the two wheels on each side of a wagon. In orderto check the too sudden descent of the brake-lever D, I connect it with a plunger or piston working in a cylinder, 0-, containing liquid, which is slowly displaced by the descent of the piston, while it nevertheless admits of the piston rising again freely when the brake-lever is to be lifted. This result may be obtained by having a valve at the bottom of the cylinder opening inward, suchvalve having, moreover, a small additional opening made therein, so that on lifting the plunger the liquid, which may be contained in a jacket surrounding the cylinder, enters freely through the entire thoroughfare of the valve; but when the plunger descends the valve instantly closes and permits the liquid to pass only through the small opening made in such valve, and thus controls the descent of the brake-lever.
Having now described my invention, I would observe that what I claim is-- 1. The combination, with a brake-lever, of a piston or plunger working in a cylinder containing air or liquid, and operating substantially as hereinbefore described.
2. The weighted tipping-lever u, in combination with the brake-strap, windlass h, and rope or chain for holding out of action a carbrake, substantially as hereinbefore described, and illustrated by the drawing.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
WM. NAYLOR.
Witnesses:
WM. LEYSTER HOLT,
7 Great Manchester street buildings,
London. FRED. WALKER,
47 Lincolns Inn Fields, London.
ATENT OFFICE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US129855A true US129855A (en) | 1872-07-23 |
Family
ID=2199273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US129855D Expired - Lifetime US129855A (en) | Improvement in railway-car brakes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US129855A (en) |
-
0
- US US129855D patent/US129855A/en not_active Expired - Lifetime
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