US2240266A

US2240266A - Track sanding apparatus

Info

Publication number: US2240266A
Application number: US286029A
Authority: US
Inventors: Nation Augustus
Original assignee: Individual
Current assignee: Individual
Priority date: 1939-07-22
Filing date: 1939-07-22
Publication date: 1941-04-29
Anticipated expiration: 1958-04-29

Description

Apr-i129, 1941.

A. NATION TRACK SANDING APPARATUS Filed July 22, 1939 lNVENT OR Augus tus Na Man Patented Apr. 29, 1941 UNITED STATES ATENT oFFicE 1 f My invention relates to track sanding apparatus and has for an object the provision of an apparatus of this kind which will serve to transfer sand from a sand box to the track to be sanded without becoming stepped up or otherwise getting out of order.

My invention further contemplates the provision of a sanding apparatus employing air for transferring the sand from the box to the tracks and in which the air is properly regulated as to pressure and so directed as to prevent the usual cutting of the several parts.

My invention embodies other novel features, details of construction and arrangement of parts which are hereinafter set forth in the specification and claims and illustrated in the accompanying drawing, forming part thereof, wherein:

Fig. 1 is a side elevational view showing my impnoved track sanding apparatus;

Fig. 2 is a sectional view taken along the line II-II of Fig. 1;

Fig. 3 is a sectional view taken along the line III-III of Fig. 1;

Fig. 4 is a sectional View taken along the line IV-IV of Fig. 1;

Fig. 5 is a sectional view taken along the line V--V of Fig. 2; and

Fig. 6 is a sectional view taken along the line VIVI of Fig. 2.

Referring now to the drawing for a better understanding of my invention, I show a track sanding apparatus comprising a housing I having a sand passageway 8 which starts at the inlet opening 9 disposed within the sand box II and extends upwardly and outwardly and. terminates in a downwardly disposed outlet opening I2 which is threaded to receive a conduit l3 leading to the track to be sanded. The housing is threaded to engage in the threaded opening l4 provided in the sand box.

A flanged opening I6 is provided in the housing 1 to receiv a plug member ll which is held in position by means of screws iii. The plug member is formed with an air chamber [9 having an air supply conduit 2| leading thereto. A primary air passageway 22 is formed in the plug member and is connected with the air chamber 19 by a converging passageway 23 which also serves as a valve seat for the adjustment screw 24. The primary air passageway 22 extends from the plug member through a pipe conduit 26 to a position adjacent the inlet opening 9. A cleanout plug 21 is provided to close one end of the passageway 22.

A secondary air passageway 28 is formed in the plug member I! and is connected with the air chamber l9 by a converging passageway 29 which also serves as a valve seat for the adjustment screw 3!. One end of the passageway 28 is closed by means of a clean-out plug 32, and the other end of the passageway leads through a restricted orifice 33 to an air discharge chamber 34 disposed to direct a stream of air through the center of the outlet opening I2.

An auxiliary passageway 36 is provided in the plug member I! to direct air from the air supply conduit 31 to the air discharge chamber 34.

In the operation of the apparatus described, the air passes through the conduit 2| to the air chamber I9 and thence through the

passageways

23 and 29 to the

passageways

22 and 28, respectively. The air passing through the primary passageway 22 is directed through the sand inlet opening 9 for the purpose of agitating and lifting the sand, within the sand box upwardly through the sand inlet opening and into the sand passageway 8; while the air passing through the secondary passageway 28 is directed downwardly through the air discharge chamber 34 into tire sand outlet conduit 13 and thus acts to draw the sand through the sand passageway from the inlet opening 9 to the outlet opening I2. The adjustment screws 24 and 3| may be regulated to vary the amount of air passing through the

passageways

22 and 28, respectively. After the track has been sanded, air is admitted to the auxiliary passageway 36 to clean the sand but of the conduit l3 to prevent clogging of same.

While I have shown my invention in but one form it is obvious to those skilled in the art that it is not so limited but is susceptible of various changes and modifications without departing from the spirit thereof; and I desire, therefore, that only such limitations shall be placed thereupon as are imposed by the prior art.

I claim:

1. In a track sanding apparatus to be mounted on a sand box, a housing, a sand passageway extending through the housing and having an inlet opening and an outlet opening, said passageway extending upwardly and outwardly from the inlet opening to the outlet opening and thence downwardly through the outlet opening, said passageway having its inlet opening disposed within the sand box and facing downwardly, a primary air passageway provided within the housing and. located to direct a stream .of air from adjacent one side of the mary air passageway and the secondary air passageway.

2. An apparatus according to claim 1 in which, the individual passageways serve as seats for adjustment screws for regulating the flow of air through the passageways.

3. An apparatus according to claim 1 in which, the several air passageways are formed in a plug which is detachably connected to the housing 10 adjacent the outlet end thereof.

AUGUSTUS NATION.