US1148064A - Grain-car door. - Google Patents

Description

N. c. VIDAL & 1. A. MATHERS.

GRAIN CAR DOOR.

APPLICATION FILED MAYI. m4.

Patented July 27, 1915.

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s'ra'rns PATENT onnio NORMAN C. VIDAIJ AND JOHN A. MATHERS, OF GRENFELL, SASKATCHEWAN, CANADA.

GRAiN-GAR noon.

Specification of Letters Patent.

Patented July 27, 1915.

Application filed May 1, 1914. Serial No. 835,589.

To aZZ whom it may concern Be it known that we, NORMAN C. VIDAL and JOHN A. Martians, both subjects of the King of Great Britain, residing at Grenfell, Province of Saskatchewan, Oanada,.have invented certain new and useful Improvemerits in Grain-Car Doors; and we do hereby declare that the following is 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.

' The invention to be hereinafter described relates to grain car doors.

In order to more clearly disclose the construction, operation, and use of the invention, reference should be had to theaccompanying drawings forming part of the'pres ent application.

Throughout the several figures of the drawings like reference characters designate the same parts.

In the drawings: Figure 1 is a front elevation of the door raised; Fig. 2 is the same lowered; and Fig. 3 is a sectional view on line 83 of Fig. 2 looking down.

The main obJects of the invention are, to provide a neat, durable, compact, and easily operated grain car door, which may be quickly and easily secured in either open or closed position and will have no tendency to fall either inwardly or outwardly.

Referring to the drawings in detail, 1 designates the car provided with the usual door frame 2. In the lower portion of the door frame there is slidably mounted a door 3, of any suitable construction. Door 3 is provided on its inner face with lateral flanges 4 which are vertically slidable in recesses 5 of the side pieces 6 of the door frame, the recesses 5 being of the same depth as the thickness of the flanges 4, so that the inner face of the door is flush with the inner face of the door frame, as clearly shown in Fig. 3.

On the outer face of the door there are pivotally mounted two horizontal toggle arms 7 connected at their inner ends by a toggle joint 8 and having their outer ends provided with integral studs 9. Studs 9 fit into sockets 10 in the inner faces of the side pieces 6 of the door frame, and act to secure the door against falling inwardly. The top of each recess 10 is given a considerable upward slant for a purpose to be later disclosed. To insure true operation of arms 7 stirrup irons 11 are spaced thereover and secured to the door. A link 12 has its lower end-pivotally secured to one of the arms 7, near the inner end thereof, and has its upper end pivotally i secured to a block '13 which is fixedly secured to the lower end of a pivotally mounted lever 14. A short distance to one side of lever 14 a U shaped keeper 15, of usual construction, is secured to the door 3.

The operation is as follows :lVhen loading grain the lever 14 is in the position shown in Fig. 2. This secures the door in lowered position andprevents any tendency for the door' to fall either inwardly or outwardly, due to flanges 4 and studs 9, as will be evident. 'Whenit is desired to unload the grain lever 14 is swung to one side, under keeper 15, so as to be retained thereby. This raises the inner ends of arms 7 and forces the door upwardly. The upward slant or inclination of the top of each recess 10, above mentioned, obviously facilitates the insertion of the corresponding lug 9 into said recess and its withdrawal therefrom. The ends of studs 9 rest on the bottoms of recesses 10 and thus maintain the door in raised position, as shown in Fig. 1. When the door is raised the grain flows out, in the usual manner. In order to permit proper operation of lever 7 the lower face of block 13 is rounded, as shown.

It should be noted that door 3 and its operating parts are flush with the inner face of the car and do not extend out quite as far as the outer face of the car. This feature is deemed of great importance, as the usual car door can be used to protect the grain against bad weather, theft, or the like. Also, this door can be readily installed on the ordinary car, at very small expense, as will be evident. 7

When not in use this door can be placed in the inner face of the sliding door of the car, soas to be out of the way and yet always at hand when required. This arrangement'is very simple, due to the fact that the grain door is of slightly less width than the car door and is very thin. By slightly recessing the side beams of the car door to receive the lateral flanges of the grain door, the latter can be fitted snugly on the car door, on the inner face thereof, so as to be out of the way, and can be secured in posiable means.

It is thought that the construction, operation, and use of the invention will be clear from the preceding detailed description.

Changes may be made in the construction, arrangement, and disposition of the several parts of the invention without in any Way departing from the field and scope of the same, and it is meant to include all such within this application wherein only a preferred form has been disclosed.

Having thus fully described our invention, what we claim as new and desire to secure by Letters Patent is:

1. The combination with a grain car door frame and grain door therefor of two levers pivoted to the door and pivotally connected to each other and so arranged that when the three pivots are in line the free ends of these levers project beyond the edges of the door and engage recesses in the door frame, and a third lever pivoted to the door and so connected to the previously mentioned levers that it will operate to pry up the door or when turned at'right angle to the previously mentioned levers will maintain them in position to lock the door.

2. Thecombination with a grain car door frame and grain door therefor of two levers pivoted to the door and pivotally connected to each other and so arranged that when the three pivots are in line the free ends of these levers project beyond the edges of the door and engage recesses in the door frame having their tops inclined upward, to facilitate engagement and disengagement, and a third lever pivoted to the door and so connected to the previously mentioned levers that it will operate to pry up the door or When turned at right angles to the previously mentioned levers will maintain them in position to lock the door.

In Witness whereof we have hereunto set our hands in the presence of two witnesses.

- NORMAN O. VIDAL. JOHN A. MATHERS. Witnesses as to both signatures: THEODORE VAN SOMEREN, GEORGE PARLEY.

Copies of this patent may be obtained for five cents each, by addressing'the Commissioner of Patents. Washington, D. G.

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