US1535814A - Car-docr mechanism - Google Patents

Description

April 28, 1925.

F. CREMEAN CAR DOOR MECHANQSM I Filed April 28, 192:5

. y I IN VEN TOR.

%4 AT ORNEYS.

Patented Apr. 28, 1925.

fumrso STATES,

PATENT OFFICE.

WILLIAM: F. CREMEAN, OF TOLEDO, OHIO.

CAR-DOGR MECHANISM.

Application filed April 28, 1923. Serial No. 635,192.

useful Improvements in Car-Door .Mechanisms; and I do hereby declare the follow ing to be a full, clear, andexact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to door mechanisms for railway cars or the like and has among its objects to provide a simple door securingmeans which will be economical of cost and of sturdy construction for meeting the conditions of service in'which it may be used. A further object of this invention is to provide a door supporting hook having a plurality of engaging ledges thereon and a member affixed to the door having thereon a plurality of coacting engaging ledges which areso spaced as to register with the engaging ledges ofthe hook. Another object of this invention is to provide for more than one position of closure for a. hook supported door, but at the same time to provide the hook and co-acting door member with a plurality of engaging ledges, more thanone pair of which will be engaged when the door is in the fully closed position.

This arrangement of door supporting hook and co-acting door member provides a very substantial door securing means and insures that the effect of long use will not impair its functioning. Furthermore, this construction assures that should one supporting ledge of either the hook or door member, or both, bebroken in service, the device would not be rendered inoperative. With such general objects and others in view, the invention consists of the construction, combination and arrangement of parts as will be herein described and particularly claimed.

In the accompanying drawings, which show the preferred embodiment of the invention, Figure 1 is a fragmentary side elevational view ofa portion of a car of the twin hopper type provided with a door and door supporting mechanism of a particular form involving the present invention.

Figure 2 is a fragmentary end elevational view of the hopper and door mechanism as of Ohio, have invented certain new and seen in the direction of arrow A of Figure 1. a

Figure 3 18 a fragmentary sectional View,

taken substantially in line BB of Figure 1, through the hopper side and door showing portions of the door mechanism.

Referring to these drawings, the side of the hopper, to which the pivoted end of the hook is shown as attached, is denoted by the numeral 1, and the bottom chute plate is indicated at 2. The side plate 1 and bottom plate 2 are furnished along the outer edge of the hopper with a rectangular re inforcing bar 3, which also forms a seat for the door.

A door 4, which is provided for closing the hopper opening, isfpreferably hinged to the car body by hinge members 7 and S and pintles 9; The free edge of the door 10 is accordingly arranged to swing away from the edge of the chute plate and reinforcing bar 3 when it is desired to discharge the contents of the car. The door A is made with inwardly extending flanged convolutions 5 and 6 along the bottom and sides adjacent to the chute and side plates of the hopper. These flanged elements reinforce the door plate and also form sealing means cooperating with the hopper plates to prevent loss of lading.

Extending across the outer face of the door plate near the lower or free edge of the same is a door spreader or reinforcing member 11 which maybe formed of a beam of angular section having a door contacting flange and an outwardly extending web or flange. This door spreader is secured to the plate portion of the door by means of rivets such as at 12 passing through the door and the door-contacting flange of the spreader. The outer ends of the door spreader extend beyond the edges of the door, forming door arms. These arm portions are angled as at 13, so as to lie approximately perpendicular to the edge of the door.

Pivoted upon the outer face of the side sheet 1 at thepivot point 1A is a door supporting hook 15. A bracket 16 is arranged to overlie the shank portion of the hook and an eccentric cam 17 may be employed to hold the hook in engaged relation with the door. Rivets such as 18 may pass through theabrackt't or through the brackets and cooperating parts, and also through the car sides, to secure the bracket, the hook and the cam in assembled relation to each other and to the car.

The bracket 16 is provided with a ledge 19 underlying the hook and so positioned as to form a support for the hook when the latter is disengaged .t'rom the door, thus supporting the hook in a position suitable for engagement with the door member when the door is pushed shut.

Qhe shank of the hook 15 is angled from the plane ot the hopper side sheet 1 so as to overlie the reinforcing bar 3 at the edge of the hopper sheet and its pivot l l is substantially normal to the plane of the shank. The hook extends in this angled direction sutlieiently tar beyond the hopper reinforcing bar 3 to provide clearance between the edge of the door and the hook for all positions or the hook or door in the opening and closing of the latter. The necessity for this clearance is augmented by the relation of the planes of rotation of the hook and door due to the inward slope of the hopper side sheet 1, and the fact that the hook, as seen in the elevational view Figure 2 occupies a plane substantially parallel with the plane oi? the car side, and substantially parallel with the side edge of the door. Cases have been encountered in practice where interference occurred between the door and the hook when the hook, as seen in Figure 3, was arranged to swing parallel with side sheet 1. This condition is due to the re lationship ot the axes of the door hinge pintles and the edge of the door in conjuno tion with the plane of the hook. Accordingly, in the present invention the hook is located in the angular plane as shown in order to engage the door arm member without inducing excessive bending strains in the latter, while at the same time providing the requisite clearance between the side of the hook and the edge of the door when the door is opened or closed. In some cases the outermost end of the hook may, as shown in the drawings, be made perpendicular to the door spreader 11 so that the co-acting ledges on the hook and door spreader will have right angled seating.

The hook 15 is provided with two supporting ledges and 21 extending downwardly from the shank. These ledges are arranged one in advance of the other and each is provided with a sloping approach,

surface. The end of the door spreader 11 is provided with a hook-engaging member 22 having formed thereon two hook-engaging ledges23and 2 1-. These are in the same spaced relation as the hook ledges 20 and 21 and are arranged for mutual engagement therewith. The member 22 is preferably formed as a casting adapted to be riveted to the back of the web of the door spreader, and the hook 15 is arranged to swing entirely above the door spreader so as to engage the ledges 23 and 24L which extend upwardly from the spreader toward the hook.

The door, when open, may be swung about its hinge pintles until the ledge 21 of hook 15 has overridden and engaged ledge 23 of the door spreader member 22, whereupon the door will be retained in a partially closed position. The door may then be further closed, either by hand or by power, until the ledge 21 of the book 15 has overridden ledge 24L of the door spreader member and the ledge 20 has overriden ledge 23, when both ledges ot' the hook will drop into engagement with the respectively corresponding lEdges of the door spreader member and the door will be held and supported in fully closed position by the action of both pairs of ledges.

The arrangement described provides a simple and effective door supporting mechanism, wherein the maximum strength and length of service are obtained with a minimum outlay of material.

Having thus described an embodiment of the invention, what is claimed is:

1. A car device including in combination with a hinged car door, a reinforcing bar attached to the outer surface of said door, said bar having secured thereto a plurality of hook engaging ledges, a hook pivoted upon the side of the ear provided with a plurality of door engaging ledges, said ledges being located in the same spaced relation as the ledges on the doorreint'orcing bar.

2. A door mechanism for railway cars including a door hinged to the car body and having an arm extending beyond an edge of the door, the said arm being provided with a plurality of hook-engaging surfaces, and a hook pivoted upon the car body, said hook being provided with a plurality of door-engaging ledges, at least one or" which will en gage one of the hook-engaging surfaces on the door arm when the door is in-a partially closed position, all of the said ledges of the hook being arranged to engage respectively with all of the said hook engaging surfaces on the door arm when the door is fully closed.

3. A door mechanism for railway cars including in combination with a door hinged upon the car body and a hook pivoted upon the car body and arranged to supportingly engage the said door, two supporting ledges upon the hook arranged to engage two coacting surfaces upon the door when the door is in fully closed position.

4. 'A door mechanism for railway cars including in combination with a door hinged upon the car body and a hook pivoted upon the car body and arranged to supportingly Ill) engage the said door, a plurality of hookengaging surfaces upon the door and a similar number of door-engaging ledges upon the hook arranged for progressive and additive engagement with each other as the door is moved from partly closed to fully closed position.

5. A door mechanism for railway cars including a door pivoted upon the car body and provided near its free end with an arm extending beyond the limits of the door and having two hook-engaging surfaces formed upon the arm, and a hook pivoted upon the car body and provided with two supporting ledges arrangedto co-act with the said surfaces on the door arm, one ledge of the hook being arranged to engage one surface of the door arm when door is in partially closed position, and both ledges of hook being arranged to engage both surfaces of the door 7 arm when the said door is in fully closed position.

6. A car door device including in combination with a hinged car door provided with a plurality of surfaces adapted for the support of the door and arranged one in advance of another, a member pivoted to the car body provided with a plurality of spaced supporting ledges arranged for mutual engagement with the said supporting'surfaces of the door.

7. A car door device including in combination with a hinged car door, a'member pivoted upon the car body and arranged to support thedoor, the said member having two door-supporting ledges, one arranged in advance ofthe other, the door being provided with two seats arranged for mutual engagement with said ledges when the door is fully closed, said ledges and seats being also related in such manner that one of said ledges only may engage with one only of the said seats to hold the door in a partly closed position.

8. A car door mechanism for railway cars including a hinged car door, a door arm formed from an angular section and having a portion extending outwardly from the surface of the door and beyond the edge there- 7 of, the said arm being provided with a plurality of hook-engaging surfaces extending upwardly from the outstanding portion of the door arm, and a hook pivoted upon the car body'and arranged to swing into engagement with either or both of said up wardly extending hook-engaging surfaces of the door arm.

9.- A door mechanism for railway cars including a door hinged upon the car body, a hook pivoted upon the car side and arranged to swing into supporting engagement with the door, the axis of the hook pivot being arranged at an angle to the plane of the door, and the hook being arranged to swing in a plane forming an acute angle with the plane of the car side.

10. A railway car having a material discharge opening therein, stilfening means formed upon a face of the car adjacent said opening, a door adapted normally to close said opening, said door being arranged to lie, when closed, with one edge thereof adjacent said stiifening means, and a door supporting member pivoted upon the car body and overlying said stiffening means, said door supporting member being arranged to swing in a plane at an acute angle with the said stiffening means into supporting engagement with a portion of the door formed for cooperation therewith.

11. A railway car having a material discharge opening therein adjacent a side of the car, a door adapted normally to close said opening, said door being arranged to lie, when closed, with one edge adjacent and substantially parallel with the said side of the car, a reinforcing means formed upon the outer side of the car near the edge of the door, and a door supporting hook pivoted upon the car side rearwardly of'the said reinforcing means, the said hook being arranged outwardly of and to overlie the said reinforcing means and being adapted to swing in a plane at an acute angle when the said 'side of the car and with the plane of.

the door when the latter is in closed position. In testimony whereof I afiix my signature.

WILLIAM F. GREMEAN.

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