US1095594A - Brake arrangement for six-wheel trucks. - Google Patents

Brake arrangement for six-wheel trucks. Download PDF

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Publication number
US1095594A
US1095594A US78514413A US1913785144A US1095594A US 1095594 A US1095594 A US 1095594A US 78514413 A US78514413 A US 78514413A US 1913785144 A US1913785144 A US 1913785144A US 1095594 A US1095594 A US 1095594A
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Prior art keywords
lever
pivotally connected
brake
wheels
extremity
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US78514413A
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John A Pilcher
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H13/00—Actuating rail vehicle brakes
    • B61H13/20—Transmitting mechanisms
    • B61H13/26—Transmitting mechanisms for cars or bogies with more than two axles or bogies, the mechanisms at each side being interconnected

Definitions

  • the object of this invention is to provide a simple and efiicient means for. the opera-- tion of the brakes on six wheel trucks for railway cars, with which object in view it consists of the arrangement and combination of parts as herein described and claimed.
  • Figure 1 represents in plan view a. truck with my invention applied
  • Fig. 2 is a longitudinal cross section taken on the line A B, Fig 1, and'Fig. 3
  • 1 represents the bolster-of a six wheel truck
  • 2 the side frames of the same and 34 and 5 the pairs of wheels on their respective axles.
  • the brake beams 67 and 8 p are hung from the side frames 2 or from some other suitable part in the customary manner by means of U-shaped hangers 9 which are use in braking the wheels 4 is actuated by means of a dead lever 15 which is permanently fulcrumed at a point 16 to some suitable part of the truck. This point 16 is at the lower extremity of'the lever '15. Between the extremities of the lever 15, at 17 the brake beam 7. is pivotally connected lothe lever 15.
  • a pull rod 18 is pivotally connected to the upper extremity of the dead lever 15 at 19 in sucha manner that a pull in the rod 18 Wlll force the brake shoes of the beam against the wheels 4.
  • the other end of the pull rod 18 is pivotally connected at 20 to the upper extremity of a floating lever 21, to which lever is. pivotally connectedbetween its extremities at 22 the brake beam 6 for the wheels 3.-
  • a pull rod 24 To the lower extremity of the floating lever 21 s pivotally connected at 23 a pull rod 24:
  • the opposite end of the pull rod 24 is .pivotally connected at 25 to the lower extremity of a live lever 26 to which. is pivotally connected, between its extremities, at
  • the brake beam 8 for the wheels 5. To the upper extremity of the live lever 26 is pivotally connected at 29 a pull rod or other tension member 30 which is actuated from the brakingv means on the car body.
  • the live lever 26 is soarranged that a pull in the rod 30 will force the shoes llof the a i n which 1s so arranged that a pull 1n this rod beam 8 up against the wheels 5, and the live lever 26, then fulcrumlng about 27 will pull on the rod 30 and apply the brakes on the other two pairs of wheels as already described.
  • I'n'a -brake arrangement for s x wheel trucks the'combination of adead lever fulcrumed at one extremity, a brake beam pivotally connected to said dead lever between the extremities thereof, a tension member pivotally connected at one end to the other extremity of said dead lever, a floating lever to which is pivotally connected atone extremity the other end of the said tension member, a second brake beam pivotally connected to said floating lever between the extremities thereof, a second tension member pivotally connected at one end to the other extremity of said-floating lever, a live lever v to which is pivotally connected at one extremity the ether end of said second tension In teet-imon'y whereof I ufiix my signature 'member, n Hn'rd brake beam pivotally eon in presence 0 two witnesses.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Description

J; A. PILUHER. BRAKE ARRANGEMENT FOR SIX-WHEEL TRUCKS. APPLIOATION FILED AUG. 16,1913.
1,095,594. Patented May 5, 1914.
'rrrcn JOHN PILOHER, J5 ROANOKE, VIRGINIA.
BRAKE ARRANGEMENT FOR SIX-WHEEL TRUCKS.
Specification of-Letters Patent. Application filed Augiist 16, 1913. Serial No. 785,144. I
' Patented May 5, 1914.
To all whom it may concern:
Be it known that I, JoHNA. PILGHER, a
' citizen of the United States, residing at Roanoke, in the county of; Roanoke and State of Virginia, have invented certain new and useful Improvements in Brake Arrangements for SiX-l/Vheel Trucks, of which the following is a specification.
The object of this invention is to provide a simple and efiicient means for. the opera-- tion of the brakes on six wheel trucks for railway cars, with which object in view it consists of the arrangement and combination of parts as herein described and claimed.
In the drawings, Figure 1 represents in plan view a. truck with my invention applied, Fig. 2 is a longitudinal cross section taken on the line A B, Fig 1, and'Fig. 3
an end elevation of the same.
Referring to the drawings in which lik parts are similarly designated, wherever they occur, 1 represents the bolster-of a six wheel truck, 2 the side frames of the same and 34 and 5 the pairs of wheels on their respective axles. The brake beams 67 and 8 p are hung from the side frames 2 or from some other suitable part in the customary manner by means of U-shaped hangers 9 which are use in braking the wheels 4 is actuated by means of a dead lever 15 which is permanently fulcrumed at a point 16 to some suitable part of the truck. This point 16 is at the lower extremity of'the lever '15. Between the extremities of the lever 15, at 17 the brake beam 7. is pivotally connected lothe lever 15. A pull rod 18 is pivotally connected to the upper extremity of the dead lever 15 at 19 in sucha manner that a pull in the rod 18 Wlll force the brake shoes of the beam against the wheels 4. The other end of the pull rod 18 is pivotally connected at 20 to the upper extremity of a floating lever 21, to which lever is. pivotally connectedbetween its extremities at 22 the brake beam 6 for the wheels 3.- To the lower extremity of the floating lever 21 s pivotally connected at 23 a pull rod 24:
will force the shoes 14 of the brake beam 6 up against the wheels 3, and the floating lever 21, then 'fulcruming about 22, will apply the brakes to the wheels 4 through the pull rod 18. The opposite end of the pull rod 24 is .pivotally connected at 25 to the lower extremity of a live lever 26 to which. is pivotally connected, between its extremities, at
:27, the brake beam 8 for the wheels 5.. To the upper extremity of the live lever 26 is pivotally connected at 29 a pull rod or other tension member 30 which is actuated from the brakingv means on the car body. The live lever 26 is soarranged that a pull in the rod 30 will force the shoes llof the a i n which 1s so arranged that a pull 1n this rod beam 8 up against the wheels 5, and the live lever 26, then fulcrumlng about 27 will pull on the rod 30 and apply the brakes on the other two pairs of wheels as already described. It should be noted that the same results will be attained if the pull rod 30- is attached to the opposite end of the system of levers at 16 and the permanent fulcrum betransferred from 16 to 29, in which case the lever 15 becomes the live lever of the system and the lever 26 becomes the dead lever; v
By correctly proportloning the various levers, a perfectequalization of the braking power will be obtained among the three pairs of wheels. 1
Having thus described my invention, what I claim is, r
I'n'a -brake arrangement for s x wheel trucks the'combination of adead lever fulcrumed at one extremity, a brake beam pivotally connected to said dead lever between the extremities thereof, a tension member pivotally connected at one end to the other extremity of said dead lever, a floating lever to which is pivotally connected atone extremity the other end of the said tension member, a second brake beam pivotally connected to said floating lever between the extremities thereof, a second tension member pivotally connected at one end to the other extremity of said-floating lever, a live lever v to which is pivotally connected at one extremity the ether end of said second tension In teet-imon'y whereof I ufiix my signature 'member, n Hn'rd brake beam pivotally eon in presence 0 two witnesses.
nected to said live lever between the ex- T 'tremities thereof. and means for actuating JOEL P 5 the other extremity of said live lever from Vitnesses:
the brake mechanism of the car body, sub- R01 K. BROWN,
sl'antially as described. HARRY B. WADE.
US78514413A 1913-08-16 1913-08-16 Brake arrangement for six-wheel trucks. Expired - Lifetime US1095594A (en)

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US78514413A US1095594A (en) 1913-08-16 1913-08-16 Brake arrangement for six-wheel trucks.

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US78514413A US1095594A (en) 1913-08-16 1913-08-16 Brake arrangement for six-wheel trucks.

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