US825580A - Car-floor-door-operating mechanism. - Google Patents

Description

PATENTED JULY 10, 1906.

APPLICATION TILED MAB..26,1906.-

3 SHEETS-SHEET 1.

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' A. CAMPBELL. OAR FLOOR DOOR OPERATING MECHANISM.

APPLICATION FILED MAB.26,1906.

PATBNTBD JULY 10,1906.

A. CAMPBELL. GAR FLOOR DOOR OPERATING MECHANISM.

APPLICATION FILED MAB..26.1906.

3 SHEETS-SHEET 3.

marine srarns ATENT FFICE.

Specification of Letters Patent.

Patented July 10, 1906.

Application filed March 26, 1906. Serial No. 308,048.

Tq all whom it may concern:

Be it known that I, ARGYLE CAMPBELL, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a certain new and useful Improvement in CarFloor-Door-Operating Mechanism," of which the following is a speci fication.

' posite sides of the door, this so that the load ma be discharged upon opposite sides of sai door, in other words, so that a door located on one side of the center girder of the car may be tilted at the will of the operator either about its side adjacent to the center of the car toward the side to discharge load at the side of the track or about its side adjacent to the side of the car toward the center of the car to discharge load at the center of the track. My invention consists in mechanism capable of accomplishing the fore oing objects which may be very readily made and installed, which is efiicient in operation, and is not readily liable to get out of order.

In the specific embodiment of my invention herein illustrated my invention consists in the use of two crank-shaft mechanisms mounted upon opposite sides of the door, the door having an independent pin-and-slot connection with each of'said mechanisms, so that? when one mechanism is operated to swing the door the pin of the other mechanism serves as a hinge or pivot on which the door is tilted and so that when the second crank-shaft mechanism is operated to tilt the door the door is hinged or pivoted upon the first operating mechanism.

More in detail my invention consists in the use of two mechanisms, such as are shown, described, and claimed in United States Letters Patent No. 812,7 83,-0n opposite sides of the door, so that either may beo erated to open the door and give it a ver wi e opening while the door remains hinge upon its pinand-slot connection with the opposite mechanism.

Still more in detail, my invention consists in details of construction which will be herewith a pluralit four. downwardly-inclined directin or plates 15, 16, 17, and 18, arrange on four the specification roceeds.

Referring to t e drawings, Fi re 1 is a inafter more fully described and claimed 9.8

side view of a ortion of the car aving my invention applied thereto. Fi 2 is a sectional end view of one-half of t e car, showing the door mechanism of my invention in position with the door closed and forming a part of the floor of the car. Fig. 3 is a view corresponding to Fig. 2 with the door tilted to discharge load at the side of the car. Fig. 4 is thesame view as Fig. 3 with the door tilted to discharge load toward the center of the track. Fig. 5 is a partial end view of the car, showing one form of mechanism which may be applied at the ends of the car to operate the device of my invention. This figure is takenon line 5 5 of Fi 6. Pi 6 is a detail plan view on line 6 of ig. 1. view of an edge of the door, showing the connection of the operating mechanism thereto. Fig. 8 is a sectional view on line 8 of Fig. 7. Fig. 9 is a side view looking in thedirection of arrow 9, Fig. 7. 7 i

In the drawings I have shown my device as applied to a car of the hopper type; but this feature is not essential to my invention, as the mechanism may be applied to any other type of car with load-carrying floor-doors. In the particular car herejshown' the loadcarrying hopper 10 is supported upon an underfr'ame consisting of a central girder 11, of cross bearers or bolsters 12' extending t erefrom crosswise of the car. The particular construction of this underframe is no part of my invention. In the particular car here shown the hopper 10 has boards sides of a load-dischar ing square 0 ening located at one side of tfi central gir er be tween successive cross bearers or bolsters of the underframe. In the car shown there are several such openings from the hopper 10, located between different sets of cross-bearers and on opposite sides of the central girder;

' but for convenience onl one will bedescribed.

This opening is norma y closed by a horizontal floor-door '20, fitting up against a longitudinal flange border 19 around the opening, said border being preferably a part of the (11- recting-plates 15 16 17 18, as shown. This door might be used to close any openin of any car without departing from the principle of my invention. This flange-bordered openig. 7 is a plan IIO , adjacent to the'door.

ing and its floor-door is, as'shown, preferably of somewhat less width than onehalf the car and is located approximately midway of the distance between the central girder and the ends of the cross-bearers connected therewith In order to strengthen the door, I make it with downturned flanges'2l. Below the inner edge of the doori. e. the edge toward the longitudinal center of the car-I mount upon the cross members of the car a longitudinal shaft 22, running preferably the entire length of the car, as shown, and upon said shaft I mount one or more crank-arms 23, with connectin -rods 24, carrrying pins 25, adapted to sli e backward and forward in slots 26 upon the underside of the door 20 and adjacent to the inner crank-shaft mechanism being madein substantial accordance with that shown, scribed, and claimed inm said prior patent No. 812,783. Similarly e'low the outside edge of the door-that is to say, the ed e near the side of the car-I mount upon the cross members of the underframe another of-the car, as shown, and upon this sha II mount one or more crank-arms 29, carryin connecting-rods 30, carrying pins 31, adapts to slide backward and forward in a slot or slots 32 in the under side of the outer edge of the door said crank-shaft mechanism, just described, being also substantially identical with that. of my prior patent, No.-8'12,783. The only'difi'erence between the two mechanisms carried by the shafts 22 and 23 is, as shown, that they are what will be for convenience defined as respectivel .left and right hand mechanisms. 11 other words, the shaft 22 is rotated clockwise when seen in Figs. 1., 2, 3, and 4 to open the-door, while the shaft 28 is rotated counter-clockwise,

" when viewed in the same figures, to open the In the preferred embodiment of my invention here shown I have, asbest seen in Fig. 1, shown three'lever-arms 24 alongthe central or inner edge of the door, each having one pin 25 so 'orting that edge of the door snl that, as shown, the door has with the re three hin e-su'pgorts on which to tilt when it ismoved om t e position of Fig. 2 to that of Fig.3 and back again and that it has three points of engagement with the crank-shaft mechanism when shaft 22 is operated to move the door from the gOSitiOlI of F1 2 to Fi 4 andback again. inrilarly, as slzown, I have provided three lever-anus 30, each carryin a pin 31, en ortin the outer edge of the cor so that t e door as three hingesupports w is it is being tilted from the position of Fig.2 to the position of Fig. 4 and back a tin, and the crank-shaft mechanism carrie by the crank shaft 28 has three engagements with said door to move it from the cated,

edge thereof, said to the positions of Figs.

osition of Fig. 2 to the position of Fig. 3 and 'ack again. In the crank-shaft mechanism shown in my prior'patent, No. 812,783, I used a block 23 secured upon the underside of the door carrying the pin -and-slot connection with the op-' eratin mechanism, said block 23" extending beyon struction here shown I give the crank shaft mechanism a very easy motion by providing on the under side of the doors castings 40, havinlg'l downwardly-turned flanges 41, between w- 'ch the connecting-rods 24 or=3O are lorylng rollers 42, adapted to bear and travel the edgeof the door. In the 0011-.

the outer ends of the pins 25 or 31, carupon the under sides of horizontal flanges 43 o castings 40'. As these castings 40 are located below the doorgas shown, the flange 21- is cut mm in the line 45, as best shown in Fig. 7, an the floor hasnotches 46 cut init,

. adapted to be occupied by theadjacent eonnecting- rods 25 or 30 when the door is tilted 3 and 4, respectively.

The shaft 22 is provided with aratchetwheel 30, normally lockedby' latch dog or end of the car-door in the normal position of Fig. 2, while the opposite shaft 28 is provided with a ratchet-wheel 32 and locking dog 53,

. and-gearing mechanisms, as shown, "to the respective shafts which they are designed to 0p erate. The specific mechanism for operating shaft 28, running preferably the entire len th pawl 31, designed tonormally hold the inner these shafts is not apart of my invention, an I I have merely shown one of the common forms, which may be varied at pleasure.

In the particular car here in l have shown parts of shafts 22 an 28 as op eratin two floor-doors,. one followin the other engthwise of thecar; but a set 0 such shafts may be used to operate any number of floor-doors lengthwise of the car which it may seem best tense as a part of the cap floor door. I

It should be undestood that in the fall ,car

- there is usually and preferably on the opposite side oi the central girderanother set of floor-doors running len hwise of the canoperated by another set 0 shafts eorrespondin to those which I have been deseribin whie second set is, however, independent 0 the set heretofore described. j

In the operation of the device the operating mechanism is moved until the parts assume and are locked in the'position of Figs. 1 and 2 in which positionthe car is ready for guestion I 'described. When the loa loading. When a load has been placed upon the car in the hopper 10, it rests upon each floor-door. The operator, if he desires to dump the load at the center of the track, releases the dog 31 and any other locking mechanism controlling the shaft 30 and, taking hold of wheel 34, rotates the shaft 22, with at tached parts, to the position of Fig. 4, and thus dumps the load in the desired position, the door swinging on pins 31 of the opposite locking mechanism as a bin e, as' heretofore has been discharged, the operator rotates wheel 34 in the opposite direction back to normal position of Fig. 2. If, on the other hand, while the car is still loaded the operator desires to dump the load at the side of thetrack, he does not disturb the locking mechanism of the shaft 30, but does unlock the shaft 28 by moving the dog 33 out of engagement with the ratchetwheel 32 and unfastening any other mechanism which may be provided with the shaft. He now takes hold of wheel 35 and rotates shaft 28,with attached parts, to the position of Fig. 3, the hinge for the door beingformed by the pins 25 of the opposite operatin mechanism heretofore described. While t e closing of either door is in progress, the lockingdog on its respective operating-shaft clicks over the ratchet-wheel thereon in the ordinary manner, and thus prevents any backward motion of the door contrary to the desire of the operator.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. In a car in combination with a frame and load-retaining car-body a load-carrying floor-door normally closing a load-discharging opening in said body, a crank-shaft mechanism adjacent to two opposite sides of the door each-having a pin-and-slot connection with a side of the door so that by operating one of said crank-shaft mechanisms the door may be tilted about the pin of the opposite mechanism as a hinge.

2. In a car in combination with a frame and load-retaining car-body a load-carrying iioor-door normally closing a load-discharging opening in the body a crank-shaft mechanism adjacent to two opposite sides of the door each having a pin-and-slot connection with the side of the door to which it is adjacent the whole so arranged that by operating either of said crank-shaft mechanisms the door may be tilted about the pin of the opposite mechanism as a hinge.

3. In a car in combination with a frame and load-retaining car-body a load-carrying floor-door normally closing a load-discharging opening in the body a crank-shaft mechanism adjacent to each of two op osite edges of the door, each crank-shaft mec anism carrying a pin adapt-ed to slide backward and 3 forward in a slot on the under side of the door ing opening in said body a crank-shaft mechanism adjacent to each of two op osite edges of the door, each crank-shaft mec anism carrying a pin adapted to slide backward and forward in a slot on the under side of the door, adjacent to its 0 crating mechanism the whole so arranged t at operating either crank-shaft mechanism tilts the door about the pin of the opposite crank mechanism as a hinge to discharge load.

5. In a car in combination with aframe and load-retaining car-body a load-carrying floor-door normally closing a load-dischar ing opening in said body a crank-shaft mecl i anism adjacent to each of two opposite sides of the door having a pin-and-slot connection with the side of the door to which it is adjacent so that operating oneof said crankshaft'mechanism tilts the door on thepin of the opposite mechanism as a hinge and a locking mechanism normally holding each crank-shaft mechanism in load-carrying position while the opposite mechanism is being operated.

6.1In a car in combitnaion {vital a frame and oad-retaining car- 0 a 0a carryin floor-door normally closing a load-discharg ing opening in the body a crank-shaft mechanism mounted on each of two op osite edges of the door, each crank-shaft mec anism carrying a pin adapted to slide backward and forward in a slot on the under side of the door, the whole so arranged that by operating one crank-shaft mechanism the door is tilted about the pin of the opposite crank mechanism as a hinge to discharge load, and a locking mechanism normally holding each crank-shaft mechanism in load-carrying position while the opposite mechanism is being operated. 7. In a car in combination with an underframe consisting of a central girder and cross members, a load-carrying floor-door between a pair of cross members at one' side of the central girder occu ying' less space than the distance between t e central girder and the side of the car, a longitudinal shaft mounted upon the underframe at each side of the door one shaft near the central girder and one shaft near the side of the car, a crank mechanism upon each of said shafts having a pin-and-slot connection with each of two 0 osite edges of the door, means for normally ocking each shaft in normal position and means for rotating each shaft the whole so arranged that operating either mechanism tilts the door about the opposite pin as a hinge.

' members, aloa -carr distance between t 8. In a car in combination with an underframe consistin of a central girder and cross g floor-door between a pair of cross mem ers at one side of the central girder occupying less space than the e central girder and the side of the car, a longitudinal shaft mounted upon the underfraine at each side of the door one shaft near the central girder and one shaft near the side of the car, a crank mechanism upon each of said shafts havingha pin-and-slot connection with the edge of t door to which it is adjacent, means for normally locking each shaft in normal position i and means for rotating each shaft the whole so arranged that operating either mechanism tilts the door about the opposite pin as a hinge to discharge loadat the side of the ARGYLE CAMPBELL.

Witnessesi DWIGHT B. CHEE ER, CLARA J. CHRIsToFFEL.

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