US595659A

US595659A - Trolley-stand

Info

Publication number: US595659A
Authority: US
Publication date: 1897-12-14
Anticipated expiration: 1914-12-14

Description

(No Model.)

S. H. SHORT.

TROLLEY STAND.

' No. 595,659. PatenfiedDeo. 14,1897

NITED STATES SIDNEY H. SHORT, CLEVELAND, OHIO.

TROLLEY-STANDi SPECIFICATION forming part of Letters Patent No. 595,659, dated December 14, 1897.

Application filed September 26, 1896. Serial No. 607,112. (No model.)

To all whom it may concern:

Beit known that I, SIDNEY H. SHORT, a citizen of the United, States, residing at Cleveland, in the county of Ouyahoga and State of Ohio, have invented certain new and useful Improvements in Trolley-Stands; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to certain improvements in trolley-standsthat is to say, the devices for connecting a trolley-arm to the top of a motor-car.

The principal object of the invention is to provide a novel trolley-stand which will support a trolley-arm in such manner that it may have free vertical motion, but no lateral mo-, tion when in service, but which may be turned around-that is to say, may be made to extend toward the opposite end of the car on which it is mounted.

Another object of the invention is to construct a trolley-stand capable of operating, as described, in such manner that in drawing the trolleyarm down the locking device, which normally prevents the lateral movement of the trolley-arm,will be released,whereby the position of the trolley-arm may be reversed.

Another pbject is to provide a novel combination of mechanical parts for holding the trolley contact device against the conductor The invention consists in the construction and combination of parts hereinafter described, and pointed out definitely in the claims. I

In the drawings, Figure 1 is a side elevation of the stand when the parts are in position for reversing the trolley-arm. Fig. 2 is a side elevation of my new trolley-stand when the parts are in the relative position they occupy when in service. Fig. 3 is a plan view of said stand. Fig. 4 is a transverse vertical sectional view of the same. All of these figures show the parts in the relative positions they-will occupy when the trolley is in service.

Referring to the parts by letters, A represents the base of the stand, which is intended to be bolted on the top of a motorcar. The

- trolley-support B is pivoted upon said base on a vertical pivot. The pivot, as shown, is

a cylindrical stud a, formed integral with the base, and the trolley-arm support is a sleeve which embraces this stud. The lower endof the trolley-arm C is bifurcated. Two ears Z7 are formed upon the sleeve B. The two forkarms 0 c are pivoted on a horizontal pivot b to said ears.

D represents a forwardly-projecting rod or tube,which is screwed or otherwise secured in a boss 21 on the sleeve B. A collar E, which embraces and is movable upon this rod, is connected by the linkse with the lower ends 0 c of the trolley-arm below the pivot b. The lower ends or fork-arms c of the trolley-arm are bent so that they stand in approximately vertical positions when the trolley-arm is inclinedat the angle common to trolley-arms when in service. I V

A coil-spring F embraces the rod D and lies between the collar E and a nut or flange d, secured or formed on the end of said rod. This spring thrusts endwise against the collar E and the nut d and thus acts, through the links e,to move the trolley-arm,so as to press its free end upward.

A second coil-spring F surrounds the rod between the collar E and the boss 19 and acts as a buffer-spring.

In the tops of the stud a and the sleeve B transverse slots a h are respectively cut, and a latch G engages in these slots and thereby prevents any movement of the sleeve upon the stud, and consequently prevents any lateral movement of the trolley-arm so long as this engagement is maintained. The latch is a horizontal bar, through which a bolt H passes, the nut it being above the bar. This bolt also passes down through the stud a. A coil-spring h surrounds the bolt above its head It and lies in a recess a in the stud a. It will be seen from the foregoing description that this spring acts constantly to draw the latch-bar downward and to cause it to engage in said slots a b when they are in line. This latch-bar extends laterally on both sides of the sleeve B over the ends 0 c of the trolley-arm. The sleeve B projects above the stud a, Wherefore when the latch-bar is raised out of engagement with the slots a in the stud it still remains in the slots 6 in the sleeve. Under normal conditions-that is to say, when the trolley-stand is in service-the latch is in engagement with both of these slots; but when it is desired to reverse the position of the trolley-arm said arm is drawn down to an approximately horizontal position. The forked lower ends 0 of said trolley-arm engage beneath the laterally-projecting ends of the latch-bar and lift it out of engagement with the notch (t whereupon the trolley-support 13 may be turned upon the base A, the trolley-arm and latch-bar moving with it. Vhen said trolley-arm support has moved one hundred and eighty degrees, the latchbar G is automatically drawn down by its spring into the notch a thereby again connecting the trolley-arm and base and preventing any lateral movement of the trolley-arm.

Having described my invention, I claim- 1. In a trolley-stand, the combination of a base, a trolley-arm support pivoted thereto on a vertical axis, and a spring-carrying rod secured to said support, with a trolley-arm pivoted upon a horizontal pivot to said support, a collar movable upon said rod, links connecting said collar and downward extensions of the trolley-arm, and a spring which embraces said rod, and lies between the collar and a flange or nut 011 the end of the rod, substantially as and for the purpose specified. I 2. In a trolley-stand, the combination of a base A, a trolley-arm support 13 mounted on a vertical axis upon said base, and a trolleyarm pivoted on a horizontal pivot to said support, with the rod D secured to said support, ;the collar E which slides upon said rod, the links 6 e and the two springs F F, which embrace the said rod, substantially as and for the purpose specified.

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

SIDN EY lI. SHORT.

Witnesses:

E. L. THURSTON,

E. B. GILcHRIsT.