US1619310A - Grain-car door - Google Patents

Description

- 1,619,310 I. D. PARKER GRAIN CAB DOOR March 1 1927.

Filed Aug.l9, 1926 Patented Mar. 1, 1927.

UNITED STATES IRA D. PARKER, OF MINNEAPOLIS, MINNESOTA.

GRAIN-CAR DOOR.

Application filed August 19, 1926. Seria1'No. 130,286.

, This invention relates to improvements in grain doors for freight cars and used as a means for confining grain at the doorway of the car. I It has been the usual custom for purposes of shipping grain to nail boards across the door casing of the car, and at the time of unloading to break or tear away these boards. This procedure is both expensive and cumbersome. Many types of grain doors have also been devised, but these generally have been too expensive to manufacture or have been attended with certain ob- .jectionable features which would preclude their use.

An object'of the present invention resides in the provision of a simple and inexpensive construction of grain car doors which can be readily applied to the car, is readily moved to open position at the time it is desired to unload the grain, and which is provided with a safety device which serves to prevent the improper attachment of the door to the car door frame.

Other objects and advantages of the illvention will be apparent from the following description when taken in connection with the accompanying drawing, in which:

Figure 1 is a fragmentary elevation of the inside of a grain car, showing my improved door in place.

Figure 2 is a similar view of the outside of a car.

Figure 3 is a horizontal section through the door, showing, in dotted lines, the door partly open.

Figure 4 is an enlarged perspective view of one end of the door, showing the protector plate, and

Figure 5 is a similar view of a portion of the door with parts broken away to show the fastening means.

Referring to the drawing in greater detail, the numeral 1 indicates a freight car or grain car of ordinary construction and provided with the usual doorway 2, posts 3 and sliding door (not shown).

The grain door of the present invention, and which is shown as extending across the doorway at the bottom thereof, comprises two overlapping sections 4 and 5 whichare hinged together. asindicated by numeral 6. These sections are each provided with a notched or cut-away portion which cooperate so that the two sections when moved into alignment form a door of uniform thickness. I

The section 4 is provided with a slotted plate 7. adapted to receive fastening elements or eyes 8 mounted on the section 5, and by inserting a pin 9 in the eyes 8 after the latter have been passed through the plate 7 the two door sections are rigidly secured in alignment.

After the two door sections have been secured in the manner described, the door may be fastened within the doorway of the car, and for this purpose the outer end of each of the sections 45 is provided with a longitudinal slot 10 adapted to receive nails or other fastening means 11 by which the door is anchored to the posts 3 of the car. The door is intended to be opened outwardly, as indicated by dotted lines in Figure 3, and, by reason of the slots 10 which extend to the very end of sections 4 5, it will be apparent that when the door is opened after the removal of pin 9 the slotted end 10 will slide off of the fastening means 11 and thus permit the door to be entirely removed from the car.

In order that when attaching the door the fastening means 11 will always be passed through slots 10 rather than through the material of which the sections are formed, metal plates 12 are provided and are formed with slots 13 which are arranged to register with the slots 10 of the door section-s. With these metal plates 12 in place it will be apparent that whatever fastening means may be used for securing the door to the posts 3 must be passed through the slots 13-10.

In the practical use of the improved door the same is secured to the posts 3 in the manner and position shown, and boards or the like (not shown) may be secured across the doorway above the door, or the upper portion of the doorway may be closed in any other preferred manner. hen it is desired to discharge the grain from the car the pin 9 is withdrawn from the eye-bolts 8 and the weight of the grain in the car will cause the sections 4.5 to swing about their hinge or pivot 6, thereby drawing the slotted ends 10 off of the fastening means 11 and permitting the removal of the door, which is, of course, in perfectly good condition for further use in the samecar or'in another car of the same type.

From the foregoing description taken in connection with the accompanying drawings it will be apparent that I have devised an exceedingly simple and inexpensive grain car door which may be readily and accurately secured to the car and which is sus ce tible of repeated use.

11 accordance with the patent statutes, I have described what I now believe to be the best embodiment of the invention, but obviously various minor changes and modifications may be made in the structure thereof without departingfrom the spirit of the invention, and all such I aim to include within the scope of the following claims.

Having fully described my invention, what I claim as new and desire to secure by Letters Patentis:

1. A grain car door com rising two overlapping door sections hinged together, the free end of each door section being provided with a longitudinal slot extending therethrough, whereby the door may be secured to the door posts by driving nails through said slots.

2. A grain car door comprising two overr.

lapping door sections hinged together, the free end of each door section being provided with a longitudinal slot extending there through, and a slotted metal plate attached to each door section with its slot in register with the slot otthe respective door section, whereby the door may be secured to the door posts by driving nails through said slots.

3. The combination with a grain car including a doorway and posts, of a door comprising overlappin sections hinged together, each section iornied with a slot at its flee end, and fastening means extending through said slots into said posts.

IRA D. PARKER.

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