US691201A - Car-brake. - Google Patents

Description

UNITED STATES PATENT FFICE.

HENRY S. STIER, OF ST. LOUIS, MISSOURI.

CAR-BRAKE.

SPEGIFIGATION forming partof Letters Patent No. 691 ,201 dated January 14, 1902. Application filed October 23, 1901. Serial No. 79,783. (No model.)

To all whom, it may concern:

Be it known that I, HENRY S. STIER, aresident of St. Louis, Missouri, have invented certain new and useful Improvements in Car- Brakes, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming a part hereof.

This invention relates to car-brakes; and it consists of the novel construction, combination, and arrangement of parts hereinafter shown, described, and claimed.

This invention is in the nature of an improvement over the brake described in Letters Patent No. 684,124, which were issued to me under date of October 8, 1901.

Figure 1 is a side elevation of the brake with parts removed. Fig. 2 is a bottom plan View of the truck. Fig. 3 is a section showing the connections between the brake-shoes and the transverse operative rod whereby the shoes are applied to the wheels. Fig. 4 is a sectional view of one of the disks to which the connections leading to the brakeshoes are attached.

A plate 1 is secured to each end of the lower bolster 2, and the brake-shoes 3 are pivotally connected to the said plates 1 by means of the links or hangers 4. The plates 1 are in alinement with the car-wheels, so that the brake-shoes will be applied to the wheels whenever the operating-rod is moved. Bearings 5 are attached to the lower parts of the truck-frames, and a transverse rod 6 is supported in the said bearings. A casting 7 is mounted on each end of the rod 6 in alinement with the brake-shoes, and said casting is provided with two recesses 8, within which the ends of the connecting-rods 9 rest, the opposite ends of said rods being connected to the brake-shoes, as shown. The recesses 8 are formed in diametrically opposite sides of the casting 7 and are of sufficient depth to receive the ends of the rods 9 to brace them, so

that it is impossible for the rods to be moved 5 laterally by the breaking of the bolts whereby theyare supported to the casting 7. The shoulders 10 at the sides of the recesses 8 serve as abutments for the ends of the rods 8, strengthening them in their positions, so that when the rod 6 is turned to apply the brakes the connections 9 will be forced out Wardly, thereby applying the brake-shoes to the wheels. A lever 11 has its lower end fixed to the rod 6 and projects upwardly above the truck-frames, and a connecting-rod 12 is pivoted to the upper end of the said lever 11, and the opposite end of the said rod 12 is connected to an operating-lever, which is pivotally supported by some portion of the car-body.

To apply the brake, the lever 11 is moved to rotate the rod 6 in its bearings, so that the connections 9 are moved to force the brakeshoes against the surfaces of the wheels, in which position they may be held as long as desired. When the lever 11 is released, the brake-shoes will automatically move away from the wheels to their normal positions.

I claim In a car-brake a supported plate secured to each end of the lower bolster, links pivoted to said plates, brake-shoes connected to said links, a transverse rod supported by the lower bolster, a casting having recesses formed therein fixed to each end of said rod, rods 9 having their ends pivoted within said recesses connecting the casting to the brake-shoes, so that when the transverse rod is turned the brake-shoes will be applied to or removed from the wheels, and an operating-lever connected to the said transverse rod.

In testimony whereof I affix my signature in presence of two witnesses.

HENRY S. STIER.

Witnesses:

ALFRED A. EIoKs, J. D. RIPPEY.

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