US926067A - Box-freight-car door. - Google Patents

Description

Patented June 22, 1909.

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B0X FREIGHT OAR Doon.

APPLICATION FILED JULY 30, 190B.

l Patented June 22, 1909.

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, MM BY G. W. LOHMAN. l BOX FREIGHT GAB. DOOR.'

ABPLIOATION rum) JULY so, 190s.

Patented .Tune 22, 1909.

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e@ M L PATENT OFFICE.

GEORG W. LOHMAN, OF BERWICK, PENNSYLVANIA.

BOX-FREIGHT-CAR DOOR.

To all whom 'it 'may concern:

Be it known that I, Gnone W. LOHMAN, a citizen of the United States, and a resident of Berwick, in the county of Columbia and State of Pennsylvania, have made certain new and useful Improvements in Box- Freight-Oar Doors, of which the following is a speciiication.

The object of my invention is to provide box-freight cars, also barns, carriage houses and other inclosures with an improved door adapted to slide parallel to the side of the car or other structure and to swing into the door-way thereof so as to lie flush with the adjoining sides of the same and to be locked thereto.

The details of construction will be hereinafter described and illustrated in the accompanying drawings in which- 2O Figure 1 is a side view of a portion of a box-ear body provided with my improved door which is shown closed Fig. 2 is a vertical cross-section on the line 2-2 of Fig. 1 Fig. 3 is a horizontal section on the line 3 3 of Fig. 1; Fig. 4 is a side view of a portion of a box-car with my improved door in the open position; Fig. 5 is a mere regular vertical cross-section on the line 5 5 of Fig. 4; Fig. 6 is a horizontal section on the line 6 6 of Fig. 4; Fig. 7 is an inside view of the car door, illustrating particularly the locking mechanism, a portion of the plates covering the same being removed and the mechanism shown in the locking position; Fig. 8 is another view of the locking mechanism in the retracted position Fig. 9 is a perspective view of a portion of the car door with one of the swinging hangers; and Fig. 10 is a detail perspective of a portion of the locking mechanism.

In the several views l indicates the car door and 2 the side of a box-car to which it is applied. As indicated in Figs. 4 and 6 the vertical side edges 3, 3a of the door are beveled and in Fig. 6 the vertical side edges 4, 4a of the door-way are correspondingly beveled. The door is hung from a fixed L-shaped track 5 secured to the car body above the door-way as shown in Fig. b.

This track 5 inclines inward or toward the end which is adjacent to the doorway by which arrangement it facilitates closing and opening the door. In other words, when the door is slid on the track for closing it, the

front beveled edge 3 is guided inward and engages the beveled edge 4fL of the door-way Specification of Letters Patent.

Application filed July 30, 1908.

Patented June 22, 1909.

Serial No. 446,119.

as indicated by dotted lines, Fig. 6. It is apparent that in opening the door the opposite beveled edge 3 is guided out of the door-way and away from the side of the car in a manner which would not be practicable without the bevel referred to.

The track 5 is provided with a slotted guideway 5, Fig. 1, in which grooved-rollers 7-see Fig. 5-are adapted to run, the same being journaled in L-shaped hangers 8 which are pivoted to the swinging hangers 9 attached to the car. There are two swinging hangers which are attached to the outer side of the door adjacent to its opposite side edges. The hangers proper are in skeleton form and are secured to plates 9n which are in turn secured by bolts, screws, or rivets to the door 1.

The skeleton hangers may be constructed in several different ways, but I prefer to form them of parallel bars which are connected by transverse links, one of the bars being hinged to a plate 9 and the outer bar indicated by 10 projecting above the top of the hanger and passing through the lower or horizontal portion of the Lshaped wheel hanger S. A lug 11 is applied to such upper end ol' the bar for the purpose of connecting it permanently with the L-shaped hanger 8. It is apparent that by this construction and arrangement of the hangers 9 they are adapted to swing in a horizontal plane and thus to open out from, or close against, the side ol' the door. In Figs. 4, 5 and 6, the door 1 is open and the hangers are closed parallel to the same, or flat against its side, while in Figs. 1, 2, and 3, the door 1 is shown in the closed position and the hangers are swung outward or stand at an angle to the door. The lower or horizontal portion 8u of the hangers 8 is eX- tended inward far enough to approach closely to the side of the car, or, more strictly, to the pendent portions of the track, whereby they are adapted to serve as guards or stops preventing the wheel brackets 8 from swinging too far inward when the door is being closed, as they would otherwise do.

I propose to employ any suitable mechanism :l'or locking the door in the closed position whereby it is held flush with the adj acent side ol' the car body or other structure; but I have devised and employ in connection with the door and the swinging brackets a very efficient locking mechanism which will now be described. T he same comprises-see Figs. 7 and 10three slidable bars 12, 13,

and 14, and a rotatable disk 15. The two bars 12 and 13 are arranged practically horizontal, and their inner ends are pivoted eccentrically to the disk 15 and on opposite sides of its pivot. rlhe third har 14 is i'orked at its outer end and provided at its inner end with a slot 14a that receives a guide-pin 16 iixed in the plate .vhere'on the eccentric is pivoted. The latter is provided with an eccentric flange 17 on which the inner end oi' the locking har 14 is supported and rides. lt is apparent that it' the disk be rotated in one direction, it will push all the hars 12, 13, and 14, outward and cause them to sockets 18, which, as shown in 7, are iiXed in the sides and top of the doer-way; while, if the disk he rotated in the opposite direction, the several hars will he retracted to the position shown in Fig. 8, thus unlocking the door. For operating the disk eniploy a pivot holt 19, see especially Figs. 4 and 5. The saine is squared where passing the disk 15 and its enlarged head lies outside the lace of the door 1. A lever hasp 20, is pivoted to the head of the holt and extended on one side so that it inay he conveniently grasped and operated Vl'or rotating the holt and thereby rotating the disk 15 as before described. The opposite end ol' the hasp 20 is provided with a loop 20u-sce Figs. 1, 4, and -whieh is adapted to receive an eyeholt 21 that is Yfixed to a plate on the l'ront ol' the door. -When the lever hasp 2O is in the position shown in Fig. 6, -with its eye 20 passed over the eye-holt 21, it may be locked by passing a padlock er other device through the eye-holt, and thus the several locking bars 12, 13, and 14, will be held in locking position. ln one such position they lo ck the door 1 in the door-way llush with the sides 2 of the car or other structure; lout when the door is released and moved out of the doorway and slid to one side of the latter as shown in Figs. 4 5, and 6, the locking bar 14 may he forced up so that its forks pass through the slotted horizontal portions of the wheel hangers 8. In Fig. 5 such engagement of the hars 14 with the hangers 8 is shown. Thus the door 1 is held, when in the open position, locked to the wheel 1nrackets and closed against the hinged hangers 9, In hriei', hy the locking mechanism provided, the door may not only he locked in the closed position, lush with the side of the ear, hut it may loe locked to the hinged hangers and supports 9 .vhen in the open position, so that it will run freely and he kept trein hard trictional contact with the side of the car.

'he lower portion of the door may be provided with handles 22 as shown, to Vfacilitate nioveinent of the door to the closed position and for retracting it to the open position.

l claim:

rlhe combination, with an inclosure having a door-way and a track iiXed thereover, ol a slidahle door, track hangers having a horizontal lower portion provided with a socket, swinging hangers hinged to the door in vertical position and pivetally connected with the wheel hangers, and the' locking mechanism including a slidahle bolt adapted, when the door is in the open position and parallel to the side o'll the inclosure, to engage the sockets et' the wheel hangers and thus lock the door parallel to said side, substantially as described.

GEORG YV. LHMAN.

lxitnesses:

H. S. WTILLiAMs, Gin BinsHLrNn.

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