US2019511A - Hoisting device - Google Patents

Description

F. E. STAHL noxswn xe DEVICE Nov. 5, 1935.

Original Filed Jan. 21, 1933 FRANK E. STAHL A r fairwlsr Patented Nov. 5, 1935 UNITED STATES zbnsu PAENT orrics HOISTING DEVICE Application January 21, 1933, Serial No. 652,844 Renewed May 7, 1934 Claims.

My invention relates in general to hoisting devices and more particularly to a hand-operated hoisting device adaptable for use in railway box cars.

It is well known to those skilled in the art that it is the practice today to ship automobiles in railway box cars, and, so as to economize in space, one or both ends of the automobile is hoisted off of the floor and held suspended in a fixed position. Economy in head room is of the utmost importance, and it is most desirable that the dimensions of the hoisting mechanism be as small as possible. Small cable drums are desirable, and I have found that a hand-operated hoist of the worm and worm wheel type can be very conveniently used to operate the drums. It is also desirable that the hoisting devices be made a permanent part of the box car, and that they be secured to the upper part of the car so as to be out of the way when not in use. This arrangement permits the car to be used for other purposes when automobiles are not being carried.

It has, however, been diflicult to mount such a hoist in proper alignment with the drum shaft, due to the inclination of the roof of the car.

The principal object of my invention has been to provide means for mounting the chain hoist, whereby it may be conveniently and accurately aligned with the shaft carrying the drums.

Another object has been to provide a hoisting device which can be permanently secured in place and be made a part of the box car.

Moreover, my invention makes it possible to easily and quickly assembly the hoisting mechanism within the box car with the assurance that when the hoist is fastened in place it will run freely and will not bind as a result of being out of aligmnent.

Furthermore, my invention is simple and inexpensive to manufacture.

The above objects and advantages have been accomplished by the device shown in the accompanying drawing, of which:

Fig. 1 is a front elevation of my complete device.

Fig. 2 is an end, sectional elevation, taken on line 22 of Fig. 1.

Fig. 3 is a similar sectional view, taken on line 33 of Fig. 1.

Fig. 4 is an enlarged, perspective view of the hoist supporting bracket.

Referring to the drawing, my hoisting device comprises a shaft In which is rotatably mounted in suitable bearing brackets II and I2. The top flange [3 of each of these brackets is inclined as shown in Fig. l, the inclination being that of the roof of the box car which is illustrated by the lines M in Fig. 1. The inclination of the two brackets H and [2 are opposite to correspond to the inclination of the roof of the car. Each 5 bracket is also preferably provided with a vertically arranged flange portion [5 which is fitted against the end wall of the box car. The flanges I3 and I 5 are provided with suitable apertures whereby they can be permanently secured in place to the roof and end wall of the freight car. Rigidly mounted upon the shaft ID and preferably near each of the bearing brackets H and I2 is a wire rope or cable drum 2!]. These drums may be identical if desired, but are preferably pro- 15.

vided with grooves extending from opposite sides of the hoist, as shown in Fig. 1. For convenience of illustration, the wire rope or cable has been omitted and is shown diagrammatically, only, by broken lines at I9.

Any suitable hoisting mechanism which is compact enough may be attached to the end of the shaft H] which is preferably extended outwardly a considerable distance beyond the bearing brack et 12. I have found, however, that a hand hoist 2| of the worm and worm wheel type is the most suitable for this purpose. This hoist is of the type having a casing 22 within which the worm and worm wheel (not shown) are mounted. A hand chain wheel 23 is provided on this type of hoist over which a hand chain shown in a diagrammatic manner at 24 is passed.

The hoist 2| is suspended from the car roof 14 by means of a hoist supporting bracket 25. This bracket is provided with a top flange 26 and with a vertical flange 21. The top and vertical flanges are arranged at such an angle to each other that when the top flange 25 is secured to the roof of the car, the vertical flange will lie in a substantially vertical plane or parallel to the vertical face of the casing 22 of the hoist. The vertical flange 2! of the bracket carries attachment pads 28 and 29 each of which have an elongated slot 30 (Fig. 4). When the parts of my device are assembled, these pads will engage suitable attaching ears 3| formed on the casing 22 of the hoist and a bolt or stud 32 is passed through each of the slots 30 and into or through the ears 3|, whereby the hoist casing 22 is securely attached to the hoist supporting bracket. Because of the provision of the slots 30, the bracket 25 may be secured to the car roof before being attached to the hoist, and the hoist is then properly aligned and secured to the bracket. It will thus be clear that all time and labor in shimming of the bracket 25 is avoided because of the provision of the slots 30, which permit easy and perfect alignment of the shaft and hoist as well as permanent securement thereof to the box car.

It will be clear that the cdacting surfaces of the pads 28 and 29, and the ears 3| of the hoist casing may be serrated so as to prevent slippage due to vibration. This and other modifications of the details herein shown and described may be made without departing from the spirit of my in-. vention or the scope of the appended claims, and I do not, therefore, wish to be limited to the exact embodiment herein shown and described, the form shown being merely a preferred embodiment thereof.

Having thus described my invention, what I claim is:

1. A hoisting device comprising a shaft, bearings for rotatably supporting the shaft, said bearings being secured to a supporting surface above the shaft, hoist drums mounted upon the shaft, one end'of the said shaft protruding beyond the bearing therefor at that end, a chain hoist mounted upon the protruding end of the shaft, and a hoist supporting bracket carried by the supporting surface, separate from the bearing, and adjustably secured to the hoist.

2. A hoisting device comprising a shaft, bearings for rotatably supporting the shaft, said bearings being secured to a supporting surface, hoist drums mounted upon the shaft, one end of the said shaft protruding beyond the bearing therefor at that end, a chain hoist mounted upon the protruding end of the shaft, and a hoist supporting bracket carried by the supporting surface and adjustably secured to the hoist, said bracket comprising a. top attaching flange, and a vertically arranged flange, the vertically arranged flange being formed with elongated slots, and fastening means passing through the slots and secured to the casing of the hoist.

3. A hoisting device comprising a shaft, bearings for rotatably supporting the shaft, said bearings being secured to a stationary supporting surface, hoisting drums mounted upon the shaft, one end of said shaft protruding beyond the bearing therefor at that end, a chain hoist mounted upon the protruding end of the shaft, and a hoist supporting bracket carried by the supporting surface, separate from the bearings, and secured to the hoist.

4. A hoisting device comprising a shaft, a bearing for rotatably supporting one end of the shaft, said bearing being secured to a supporting surface, hoist drums mounted upon the shaft, 9. chain hoist mounted upon the other end of the shaft, and a hoist supporting bracket separate and spaced from the bearing and carried by said supporting surface, said bracket being secured to the hoist.

5. A hoisting device comprising a shaft, a bearing for rotatably supporting one end of the shaft, said bearing being secured to a supporting surface, hoist drums mounted upon the shaft, 9, chain hoist mounted upon the end of the shaft which is opposite to the bearing, and a hoist supporting bracket carried by the supporting surface and adjustably secured to the hoist, said bracket comprising a top attaching flange and a vertically arranged flange, the vertically arranged flange being formed with elongated slots, and fastening means passing through the slots and secured to the casing of the hoist.

FRANK E. STAHL.

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