US917615A - Lock. - Google Patents

Description

J. D. KNEBDLER, LOCK.

, A PPLITION FILED DBO. 29,1908. 917,615. Patented Apr. 6, 1909.

2 SHEETS-SHEET 2.

"llllllmvv 'LD WIT/VESSES UNITED STATES PATENT oE'EroEl JonN BEAMv KNEEDLER, or sioux crrY, 1owA,AssIGNoR or ONE-HALTO BUEL CQUQH.

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Loox.

Specication of Letters Patent.

Patented April 6, 1909.

4that class adapted" to be employed for locking the doorsl of boxcars or the like and my object is to provide a latch which is adapted to be carried by the door and swing into engagement with a, keeper carried by the car body.

'A vfurther object is to provide means for covering the opening in the keeper after the latch has passed into engagement with the same.

A further object is to provide means for removably securing the latch to the car door and a still further object is to provide means y a seal may be attached to parts of the loc Other objects and advantages will be hereinafter referred to and more particularly 30 :pointed out in the claims.

In the accompanying drawings forming part of this application, Figure l is a detail side elevation of a box car showing my improved lock a lied to use thereon. Fig. 2 is an enlargedp o -tional viewon an enlarged scale, as seen on line 3-3, Fig. 1. Fig. 4 is a detall perspective-view of the latch removed from itsfasl view of the parts employed for cates the car, which may be constructed in the usual or any preferred manner which car body is provided in 's Lside wall o ening2, lover which is adapted, to extend t e-usual or any preferred form' of door 3. The door is provided on its upper edge with suitable hangers 4, said hangers having lsheaves 5 thereon, which are adapted to engage a track oi the side of the car body, said track being of sufficient length to permit etail sectional'view, as seen Aon line 2 2, Fig.y 1. Fig. 3 is a vertical sec-v with an f the door to travel a suilicient distance to clear the opening 2 in thecar body.

The door 3 is limited in its movement in one direction, or when the door 3 is disposed over the opening 2 by means of sto s 7, while the door is held against outwar swinging movement While being moved longitudinally of the track by means of guide members 8,

which guide members are secured in any preferred manner to the car body 1 below the opening 2. A

After the door has been moved to cover the opening 2, I have provided means to securely fasten the door in its closed position and prevent movement of the same in any direction, the locking device comprising a latch 9, one end of which is pivotally mounted on a stem 10 of a stra 11, said strap 11 being in turn secured to t e door 3 in any preferred manner, as by introducing'bolts or the like 12 throu h openings'13 in the strap and through thea jacent portion of the door.

The latch 9 .is referably rectangular in general outline an is of suficient length to extend beyond the inner. face of the door .when the latchl is being employed for locking the door in its closed position, the extreme inner end ofthe latch being rovided with adapted to enter a slot 15 in theA kee er 16 and rest in a cavity 17 formed in the ace of the door casing 18.

The angular extension 14 passes in the rear of a tonguer19, while a -lug 20 extends outwardly from the face of the latch 9 and engages the outer fa'ce of the tongue, thereby preventing outward swinging movement of the door, the latch at the same time preventingthe door` from moving bodilyV in either direction along the trackfwayfrom the fact that the width of the vertical portion of the slot 15 is such as to snugly receive the latch 9. To permit the angular extensionlt to n l swing' into or` out of the slot 15, the inner face of the tongue 19 is curved, while the angular extension 14 is 'similarly curved, the curvature of the tongue'and extension being concentric with the pivotal oint ofthe latch' 9. The latch 9 is provide with a' standard 21, from one face of whichextends a plate 22, said plate being so arranged as to cover the enlarged portion of the slot `15 and thereby prevent snow, sleet and the like from entering the cavity 17 when the latch is in engagement with the keeper.

v The free end of the stem is threaded to receive a nut 23, said nut being employed for holding the latch 9 in position on the stem and if 1t is desired to seal the lock after the latch has been. engaged with the keeper,

registering openings 24 and 25 are provided inthe latch 9 and strap 11, respectively, throu h which is to be introduced any suitable orm of sealing device and when the lock is pro erly sealed, the same could not be unlocke Without detection.

In operation, the door is moved longitudinally ofthe track 6 untilthe straps 7 are encountered, when the latch 9 is swung upwardly and toward the keeper 16, the angular extension 14 entering the horizontal portion of the slot 15 and passing to the rear ofthe tongue 19, while the lug 2O engages the forward face of the tongue. This operation extends the latch across one end of the door and prevents movement in either direction,

while by properly seating the latch, the plate 22will cover the slot 15 and prevent snow or the like from entering the cavity 17. This operation also brings the o enings 24 and 25 in alinement with each ot er, so that the seal can be introduced and the parts positively locked together'.

This form of lock can be ver cheaply constructed and readily ap lied to use and when the parts of the loc are properly attached together, the door wil be rigidly held against movement and thereby prevent rocking of the same incident to the jar and movement of the car.

I claim: 1. In `a lock ofthe class described, the combination with a keeperhaving a slot therethrough and a tongue 'extending into said slot; yof a latch-having means thereon 40 ing a curved rear face; of a pivotally mounted latch-having a curved angular extension adapted to enter the slot and engage the curved face of the ton ue, a lug on the latch adapted to engage t e front face rof the tongue and a plate vcarried bl the latch ada ted' to cover the 'slot in the eeper when the atch is in its locked position.

3. A lock of the class described, comprising the combination with a keeper having a slot therein and a tongue on the keeper; of a latch, a strap having a stem thereon to receive the latch, means to secure the latch on the stem, an angular extension on the latch adapted to enter the. slot in the keeper and engage the rear face of the tongue, a lug on the latch adapted to engage the forward face of the tongue and a plate carried by the latch ada ted to cover the slot in the keeper when the atch is in its locked osition.

In testimony whereoiplhave signedniy name to this specification in the two subscribing Witnesses.

JOHN BEAM KNEEDLER.

presence of

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