US895036A - Grain-car door. - Google Patents

Description

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of.. Hmmm j I V GRAIN ,om @0011. PPLIO-TIOK I'Imm 14, 1906 2 SHEETS-SHEET l.

PATBNTBD A UG14', 19o.

o. NELSON. GRAIN CAR 130011.'

APPLIGATIOE YILEDMAB. 14, 190B.

HEBT 2./

' ATTORNEYS A. l. TEDsTATns ORVIS NELSOX, 0F MINNEAPOLIS, MINNESOTA. -Y A':

y No. 895,636.

To -all 'whom 'it may concern:

Be it known that I, ORvls NELSON. a citizen ot the United States, residing at Minneapolis, in the county of Hennepin and State of Minnesota, have invented a new and useful Grain-Car Door, of which the following is a specification.

This invention relates tograin-car doors, and has for its object to vprovide a door capable of bein(7 adjusted vertically and also swung laterallby within the car to elevated position to facilitate the introduction and removal of the grain or other contents of the car.

A further object of the invention is to provide improved means for locking the door, and means for moving the latter to operative position.

A further object of the invention is to generally improve this class'of devices so as to add to their utility and durability as well as to reduce the cost of manufacture.

Withtllese and other obiects in ien the invention consists in the constructie; and novel combination and arrangement ci parts hereinafter fully described, illustrated in the accompanying drawings and pointed out in the claims hereto appended.

In the accompanying drawings forming a part of this specication:--Figure 1 is a longitudinal sectional viewof the interior of a grain-car showing my improved door in position thereon. Fig. 2 is a side elevation of a portion of the exterior of the car. Fig. 3 is a transverse sectional view. Fig. 4 is a derail transverse sectional View of the lor-king 4 mechanism. Fig. 5 is a similar view o a portion of the grain-door and the adjacent post or standard. Fig. 6 is a. side elevation of a hook for supporting the grain-doors in elevated position.

Similar numerals of reference indicare corresponding parts in all of the figures of the drawings.

The improved door may be used in connection with different kinds ofcars and by vrav of illustration is shown applied to s graincar of the ordinary construction in which 5 designates the body of the car provided with spaced side posts or jambs 6. definingr a door receiving opening 7. Disposed Within the opening 7 is a vertically sliding door the opposite edges of which are provided with reinforcing members or plates 9 each having an -v extension 10 adapted .tobesr against the in- Specfrcaon of Letters Patent.

GBADLCAR DOOR.

there being suitable rollers 11"ournaled in P .filrnnr OFFICE.

Patented 4, 19.08. "l

y Applicationmeemch 14, 190s. seriainaeoaoso.

`the plates 9 at theupper and lower ends of the door for engagement with a wear-plate 12, fastened in any suitable manner to said posts. Secured to the inner face of the door 8 is a circular plate or disk 13 provided with a cylindrical extension 14 journaled in a socketor bushing 15 secured to the outer face of said door and to which is keyed or otherwise rigidly secured a hand operated lever 16.

Eccentrically mounted on the plate 13 by means of suitable pivoted pins 17 are links 18 to which are secured links 19, the latter being pivotally connected at 20, to locking bars or movement in suitable guides 22 and adapted to engage keepers 23 fastened to side posts or jambs as shown. i

Secured to the side posts 6 and preferably spaced inwardly from Vthe opening 7 are vertical guide-rods 24 which engage eyes or loops' 25 extendino' laterally from clips or brackets 26 secured to the upper edge of the door. The up er ends of the oruide-rods 24 are preferably ent laterally to torni loops 27 olts 21 slidably mounted for longitudinal adapted to receive the eyes 25 when the door is a( justed vertically and swung inwardly to the elevated osition shown in Fig. 3 of the drawings, sai doors being locked in elevated position by means of hooks 28 depending rom the top of the car and engaging the adjacent edges of the doors as shown.

As a means for moving the door to elevated position suitable cords or cables 29 are secured to the u per edge of the door and thence pass over rol ers or pulleys 29' to a drum or reel 30 mounted. 'for rotation on one of the posts or jambs 6. The drum is rotated to elevate the door by means of a handle 31 provided with a spring ratchet tooth 32 adapted to engage the ratchet teeth on the drum as the handle is rotated, backward movement of the ratchet-wheel 33 being prevented by a suitable locking pawl 34.

The hand operated lever 16 is provided with a locking tooth 35 adapted to engage the notches or teeth of a segmental rack 36 secured to the outer face of the door S so that the bolts 21 may be locked in either operative or inoperative position.

In operation when it is desired to release the door, the handle 16 is rotated in one direction which causes the levers 18 to exert a longitudinal pull on the'links 19 and thereby withdraw the bolts 21 from the keepers 23.

ner face of the adjacent side post as shown, A The door ,may then be `elevated above the 2 y 1 f p 895,036

flower of the car by rotating the handlel to Wind the cord 29 on the drum 30.

When it is desired to support the doors in elevated or inoperative position, said doors are adjusted vertically until the eyes 25l en the loops 27, the doors being then swung inwardly and upwardly into engagement. with the pivoted hook 28. v

' Secured to the door near the bottom thereoE its a bracket or cleat 37 adapted to receive the .pointof a cross-bar or similar tool to assist m elevating the door when the pressure or? T.the grain is excessive or when frost or smear causes the door to stick. y

Attention is called to the fact that the doors S are preferably of such a'height that Winnen tliesame are swung upwardly to inop" emaive position the free ends of the doors over-lap and thus permit a single hook or other fastening device 28 to retain the doors im elevated osition.' It will of course be understood t at either or both of said doors many be elevated, the hook being so dis osed thmzt the bill thereof will engage one et ge of etlber door as shown.

B3' having the locking bolts secured to thev rotating dislr or late 13 in the manner described, said bolrts may be simultaneously mowed to operative and ino erative posl- Ems, the construction and re ative dispositiem of the several levers and connecting limits being such as to permit the operation of the bolts with a minimum expenditure of the weer. .A

Havin thus described the invention what is clairnc( isz T he combination with a car including .spaced posts forming a door receivingv openlng, wear plates secured to the inner aces of the posts, a doorslidably mounted for vertical movement between the wear plates and formed of a plurality of superposed transverse strips, substantially rectangular casings secured to the vertical edges of the door and forming housings for the opposite ends of the transverse strips and each provided witha laterally extendmg flange forming a continuation of one slde of the casing and ada ted to bear against the longitudinal edge of t 1e adljacent wear plate at the inside of the car, a {eeper secured to the inner face of each post in spaced relation to the -adjacent wear plate, keepers secured to the casings and disposed in horizontal alinement with the kee ers on the posts, lockinvr members slidab y mounted on the door an ada ted to engage the kee ers on the casings an' posts, respectively, or forcing the flanges o said vcaslngs in engagement wltli the adjacent wear plates,

means ihr elevating the door, and means for su porting the door in elevated position.

n testimony that I claim the foregoing as my own, I have hereto affixed my signature in the presence of two Witnesses.

R ORVIS NELSON. Witnesses:

, E. Driven,-

. E. CLARK.

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