US359013A

US359013A - Cae staetek

Info

Publication number: US359013A
Authority: US
Publication date: 1887-03-08
Anticipated expiration: 1904-03-08

Description

(No Model.) 3 sheets-sheet 1.

J. M. ERTS.

GAR STARTER.

No. 359,013. Y Patented Mar. 8, 1887..

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GAR STARTER.

(No Model.)

No. 359,013. Patented Mar.' 8, 1887A.

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J. M. ERTS. GAR STARTER.

Patented Mar. 8, 1887.

WITNESSES m R o T T A UNITED STATES PATENT OFFICE.

JOSEPH M. ERTS, OF POUGHKEEPSIE, NEV YORK.

CAR-STARTE R.

SPECIFICATION forming part of Letters Patent No. 359,013, dated March 8, 1887.

Application filed August 20,1886. Serial No. 211,448. (No model T0 aZZ whom it may concern.-

Be it known that I, JOSEPH M. Ears, of the city of Poughkeepsie, in the county of Dutchess and State of New York, have invented a new and Improved Car-Starter, of which the following is a full, clear, and exact description.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.

Figure 1 is a plan view of the under side of astreet-car having my inventionapplied thereto, the car being inverted. Fig. 2 is a broken longitudinal sectional elevation. of the car in upright position, taken on line x x of Fig. l. Fig. 3 is an end view of the car and starting mechanism. Fig. 4 is a detailed plan of the bottom of the car, showing an automatic safety detaching device to prevent injury t0 the starting mechanism. Fig. 5 is an enlarged side view of one form of safety detaching device. Fig. 6 is an enlarged inverted plan view of the car, showing-a modification of the safety detaching mechanism. Fig. 7 is a sectional elevation of the same, the car being upright, taken on the line y y of Fig. 6; and Fig. 8 is an enlarged side view ofthe detaching device.

The invention will rst be described in connection with the drawings, and then pointed ont in the claims.

Upon the axle A of the car is placed loosely the two gearwheels B G. rlhese are adapted to be locked to revolve with the axle by the sliding clutches D E, placed upon the axle and controlled by levers F G at either end ofthe car, the said levers being attached to the rods H I, and the latter connected to the clutches, respectively, by the forked arms J K, so that by shifting the levers the rods may be turned and the arms J K caused to slide the clutches to engage or disengage the clutches of the wheels B C, as desired, to operate the starting nicchanism.

The gear-wheel B meshes with a gear-wheel, L, secured upon the short shaft, L/, jonrnaled in hangers L'Z L, depending from the bottom of the car. The gear-wheel C meshes with a gear-wheel, M, secured upon a short shaft, M,

rol journaled in the hangers L3 and L4. The short shafts L and M are journaled in different planes, and are connected together by the two pinions c b, secured upon the said shafts, respectively, so that the revolution of either shaft will communicate a reverse motion to the other.

To the shaft M is secured the inner end of a coiled spring, N, the outer end of which is attached to the bottoni of the car, so that the spring may be wound up by causing` the shaft M to revolve in the proper direction, which may be done by properly manipulating the levers F G, as next described. The spring N is by preference inclosed by the two side plates, c c, secured to the shaft M', so that the spring cannot get out of place or receive injury.

'lhe operation is as follows: The car being drawn in the direction of the arrow, Fig. 2, both clutches D E being moved away from the clutches of the gear-wheels B C, the axle A and said clutches D E revolve independently of the starting mechanism. Now, when the car is to be stopped, lever F is to be moved to the left to engage clutch D with the clutch of the gear-wheel B. rlhis will cause gear-wheel B to revolve with the axle, which motion will cause the short shafts M L to revolve in the proper direction to wind up the spring N. The car having been brought to a standstill, lever G will-be moved to the right to engage clutch E with the clutch of the gear-wheel C. This done, and the car ready to start again, the le ver F will be moved to disengage clutch D from the clutch of the gear-wheel B, whereupon the tension of the spring N will exert a forward motion to the axle through the shaft M', gear-wheels M C, and clutch E, and assist in starting the car. Vhen the car is reversed and drawn in the direction opposite to that indicated by the arrow in Fig. 2, the sequence of movements of the levers F G will be exactly reversed fromv that above described.

In case the brakeman should fail to detach the clutch D or E at the proper time, to avoid injury to the spring N, which would result from such neglect, I attach to the shafts LM antomatic clutclrshifting devices O, for shifting the clutches on the axle out of engagement with the clutches on its wheels B C, thus releasing all strain, upon the springs. This automatic device consists of several circular disks or plates, m n o p q, Fig. 5, each of less diameter than the disk next to it. The disks are each formed with a projection, o', that stands in the IOO same plane with the disk, and with a projection, r', that stands at right angles to the plane of the disk. The disk q is made fast to the shaft, while the other disks are loose thereon, and the largest disk, m, in Fig. 5, is formed with a cam, m', at the outer edge to strike against a flange, c', upon the clutch, so that by the revolution of the plate my the cam will move the sliding clutch out of engagement with its corresponding clutch on the cog-wheel. The plates or disks m n o p q, Fig. 5, are arranged so that the shaft may revolve independently of the disk m a number of revolutions, the number corresponding with the number of disks, as each disk must make a complete revolution before it revolves the next larger disk.

It will be understood that the whole action of the safety device is derived from the plate q, which revolves with the shaft until its projection 1'- strikes the projection a" of the disk p. These two disks will now revolve together until the. projection rot' the disk p strikes the projection i" of the disk o, when the latter will revolve and in turn revolve plate n, which in turn will revolve plate m and cause the cam m' to act upon the clutch and disengage it from the clutch on the cog-wheel, so that the starting mechanism will thereby be thrown entirely out of action, and all danger of injury to the spring N and other parts ofthe starting mechanism avoided.

In place of the cam min each of the devices for shifting the clutch, I may form the plates q, which are loose upon the auxiliary shafts,

with arms q'. (See Fig. 8.) To these arms I attach the central arm, s, of double bell-crank leverS by the rods s' s. (See Figs. G and 7.) The double bell-crank lever S is pivoted upon the lower end of a stud, S', attached to the bottom of the car. The arm s2 of this double lever is connected by rod t and arm t' to the rod H, while the arm si is connected by the rod t2 and arm t to the rod I. Constructed in this manner, when the car is not stopped in time, the auxiliary shaft will make as many revolutions as there are disks,or until the projectionrof the outer disk, m, (which revolves with the shaft,) causes the disk q t0 revolve. When this latter disk is caused to turn, the arm q turns the double bell-crank S on its pivot and causes it to turn the rods H I, which will cause them, through their connections with the clutches D E, to slide said clutches away from the clutches on the cog-wheels, and thus entirely release the starting mechanism, so it is thrown entirely out of action automat ically, and thus saved from injury.

If the car should run with unusual speed, I can attach a friction-clutch to the clutches D E, so that if the spring should wind up before the car stops the frictionclutches will relieve the spring.

Having thus fully described my invention, I claim as' new and desire to secure by Letters Patentl. The axle A of the car, provided with the 'sliding clutches D E and loose gearwvheels B C, each formed with a clutch to receive the teeth of the clutches D E, in combination with two auxiliary shafts, L' M', j ournaledv in different plaues in fixed bearing, the spring N on shaft M', the gear-wheels L M, fixed yupon the auxiliary shafts L M', respectively, the

pinions a b, connecting the said two auxiliary' shafts, and means, substantially as described, for shifting the clutches D E on the axle A from the platforms ofthe car, substantiallyvas described.

2. The sliding clutches D E on the axle A, formed with flanges, the auxiliary shafts L' M', geared together and provided, respectively, with gear-wheels L M, the shaft M' being provided with the spring N, in combinatien with the clutch-wheel B C, loose on the axle A, and the automatic devices O, attached to the auxiliary shaft L' M' and revolving therewith, for shifting the clutches D E on the shaft A, substantially as and for the purpose described.

3. The automatic elutclrshifting device O, consisting of plates n op q, formed with horizontal and radial arms w", and placed loosely upon the auxiliary shaft, the disk m., made 'fast to said shaft, and the disk q, provided with the arm q', in combination with bell crank lever S, rods H I, connected by the sliding clutches and the connecting-rods t t2 s', and the arms t' t3, substantially as and for the purposes described.

JOSEPH M. ERTS. Vi tn esses:

JOHN H. MILLARD, HENRY Bosfrwrck.