US337616A - Car-brake - Google Patents

Car-brake Download PDF

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US337616A
US337616A US337616DA US337616A US 337616 A US337616 A US 337616A US 337616D A US337616D A US 337616DA US 337616 A US337616 A US 337616A
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Prior art keywords
brake
car
lever
hanger
support
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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
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • 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

Definitions

  • My invention relates to that class of carbrakes in which two brake beams carrying the brake-shoes are swung simultaneously by means of a lever pivoted between the places of connecting the same by rods with said beams, and in which provision is also made for equalizing the pressure of the blzlkGSllOGS upon the car-wheels.
  • My invention consists in providing for a lateral movement of the pivot for the lever, preferably by pivoting the lever to a support or hanger which may slide, as hereinafter set forth.
  • Figure 1 is a plan of as much of a car and brake attachment embody ing my improvement as is need ful to illustrate my invention.
  • Fig. 2 is a section of carframe, taken ouline 1 1, Fig. 1, and shows a side view of parts of the brake mechanism.
  • Fig. 3 shows a plan view of the parts of Fig.
  • the frame (composed of the longitudinal pieces a, transverse pieces I), c, and d) and the wheels A, having axles f, may be those of any car or car-truck.
  • Each pair of brakeshoes B is fastened to a brake-beam, C, which is hung to the frame of the car or cartruck by means of links 9 in the usual manner.
  • a rod, 71 At or near the center of each brake-beam O is connected a rod, 71, which has a pivoted connection with a lever, D. Between the places of-connecting the rods h with the lever the latter is pivoted at i to a support or hanger, E.
  • the brake-beams may be simultaneously swung to cause the brakeshoes to press upon the wheels, rodsj extending from the outer ends of the lever D to the ordinary devices by which the power is applied.

Description

(No Model.)
B. L. RANDALL.
OAR BRAKE.
No. 337,616. Patented Mar. 9, 1886.
UNTTED STATES PATENT OFFICE.
BELLVILLE L. RANDALL, OF BOSTON, MASSACHUSETTS.
CAR-BRAKE.
SPECIFICATION forming part of Letters Patent No. 337,616, dated March 9, 1836.
Application filed Oetober24.1885. Serial No.180,872. (No model.)
To all whom it may concern:
Be it known that I, BELLVILLE L. RAN- DALL, a citizen of the United States, residing at Boston, in the county of Suffolk and State of Massachusetts, have invented a new and useful Improvement in Gar-Brakes, of which the following is a specification, reference being had to the. accompanying drawings.
My invention relates to that class of carbrakes in which two brake beams carrying the brake-shoes are swung simultaneously by means of a lever pivoted between the places of connecting the same by rods with said beams, and in which provision is also made for equalizing the pressure of the blzlkGSllOGS upon the car-wheels.
My invention consists in providing for a lateral movement of the pivot for the lever, preferably by pivoting the lever to a support or hanger which may slide, as hereinafter set forth.
In the drawings, Figure 1 is a plan of as much of a car and brake attachment embody ing my improvement as is need ful to illustrate my invention. Fig. 2 is a section of carframe, taken ouline 1 1, Fig. 1, and shows a side view of parts of the brake mechanism. Fig. 3 shows a plan view of the parts of Fig.
1 inverted.
The frame (composed of the longitudinal pieces a, transverse pieces I), c, and d) and the wheels A, having axles f, may be those of any car or car-truck. Each pair of brakeshoes B is fastened to a brake-beam, C, which is hung to the frame of the car or cartruck by means of links 9 in the usual manner. At or near the center of each brake-beam O is connected a rod, 71, which has a pivoted connection with a lever, D. Between the places of-connecting the rods h with the lever the latter is pivoted at i to a support or hanger, E. By means of the leverD the brake-beams may be simultaneously swung to cause the brakeshoes to press upon the wheels, rodsj extending from the outer ends of the lever D to the ordinary devices by which the power is applied. I fasten a socket, F, for each end of the support or hanger E to a transverse I the pivot of the lever D has been suspendedby links whereby it may swing; but such construction I do not consider of such practical utility as that of my invention, since it is desirable that this hanger should be held as stable as possible while providing for the lateral movement, as and for the purpose above specified.
I claim as my invention- In a carbrake, the combination of the lever D, connected with the brake-beams substantially as specified, a support or hanger, E, to which said lever is pivoted, and sockets F, in which said support or brace may slide, substantially as and for the purpose set forth.
BELLVILLE L. RANDALL.
\Vitnesses:
WILLIAM H. SoLoMoN, EDW. DUMMER.
US337616D Car-brake Expired - Lifetime US337616A (en)

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