US980418A

US980418A - Wall-valve for pneumatic cleaning systems.

Info

Publication number: US980418A
Authority: US
Inventors: John T Hope
Original assignee: Individual
Current assignee: Individual
Priority date: 1909-12-22
Filing date: 1909-12-22
Publication date: 1911-01-03
Anticipated expiration: 1928-01-03

Description

J. T. HOPE. WALL VALVE FOR PNEUMATIG CLEANING SYSTEMS. f

APlLIUATION FILBB DBU.22,1909.

Patented J an. 3, 1911.

1 UNITED SIFAU'ES` PTENT OFFICE.

Y .iori'nr.' HOPE, or Kansas Grrr, MISSOURI..

WALL-VALVE FOB PNEUMATIC CLEANING# SYSTEMS.`

, suction, will automatically close and remain closed when thejxture with which it is associated is not in use, and which under the ,blast system of cleaning can be locked in closed position.

'I o this end the invention consists in certain novel and peculiar features of construction and organization as hereinafter described and claimed; and in order that. it maybe fully understood reference is to be had to :the accompanying idrawing, in

,which- Figure 1, -is a view showing apart of a building in section and a part of a pneu- I maticcleaning system embodying my invention,y in elevation. Fig. 2, is an enlarged 'central vertical section of a part of the cleaning apparatus and building. Fig., 3, is a '-face view of a valve-equipped wall iiXture embodying my invention. Fig. 4,. is a section on the line IV-IV of Fig. 1. Fig. 5,

is a view' on a reduced scale, of a slightly modiied form ci' connection between the stand-pipe and the iixture. Fig. 6, is a perspective View of a key for securing the fixture in or removing it from position.

In the said drawing, 1-1 'indicate two ioors of a building, and 2 al room wall oi such building.

3 is a pipe adapted to be connected to any suitable apparatus for creating suction in or' a blast of air through the pipe. 4 is a mountedbn said pipe and 5 is a stand-pipe connected at. its lower end to said coupling and extending, by preference, up

through 'the partitionof adjacent rooms of4 the building if the cleaning system is installed, at the timev of the erection of the building or up through the closets of the building 'if suoli closets are arranged arranged between a pairof partition walls Y" Specification of Letters Patent.

one: 4above the other, and at a suitable distance above each Hoor the stand pipe is equipped with a coupling 6. It thev stand-pipe 1s rammed Jan. 3,1911.

. ,Animation inea December 22, '19409. y `seran ne. 534,563.

and the studding, the elbows 7 of the coupliiigs 6, will preferably be equipped with shortA threaded bushings 8 to receive the rearwardly projecting threaded tubes 9 of hollow fixtures l0, set in one of the walls of the partition, the tubes terminating short of 'the outer vfaces of the fixtures so as to provide seats for the valves l1 hinged to and within the fixtures above the tubes, the hinge-pins 12, extending through the Shanks 13 of the valves and through a pair of lugs 14 secured rigidly to and within the tintures,A

and in order that said fixtures may be conveniently secured in-position, they are each provided with a pair of lugs 15, for convenient engagement by akey, consisting, by

. preference, of a handle 16, and a ,tubular stein 17 of proper size to extend loosely over tubes 9, and provided` at its inner end with diametrically opposite notches 18 for engagement with lugs 15.

Vhere the building is of such character that the stand-pipe can be arranged in superpose'd closets, the fixtures will be disposed a greater distance from the couplings, and in this case, the latter will be equipped with shortpipes 19, provided with reducers 20 at their outer ends for engagement. with the tubes ot' the fixtures.

Ordinarily there will be only a single {ixt-iire to a floor, and a flexible tube 2l (shown by dotted lines) equipped with an ordinary cleaning tool (not shown) to be passed over the carpet, iioor or other object to be cleaned, will be fitted upon the tube 9, the valve being first opened as indicated by dotted lines Fig. 2, to accommodate said tube. 'It the xtures of the other floors of the building are not in service at the same time, their valves are .free to close and gravitate downward and seat against the outer ends of the corresponding tubes 9, against which they are held with an air-tight relation by the suction' created in the standpipe, it being understood that they are free to close as soon as the flexible tubes 2l are withdrawn from tubes 9.

If the blast system is employed, the xtures not in use will be closed through the instrumentality of the valves and will be locked closed through the medium of pivoted catches 22, mounted on each valve, said the lugs 23 proJecting inward from the fixtures.

From the above description it will be ap- I.' rIhe combination in a pneumatic cleaning system, of a stand pipe provided with a coupling, a hollow fixture secured to said 'coupling and provided with a tube, and a valve carried by and within the'fixture and adapted to seat against the outer end of said tube and close the same.

Q. The combination in a pneumatic cleaning system, of a stand pipe provided with a coupling, a hollow fixture secured to said couplin and provided with a tube, a yalve carried by and within the fixture and adaptedto seat against the outer end of said tube and close the same, and means for locking said valve in its closed position.

3. The combination in a pneumatic olea-ning system, of a stand pipe provided with a coupling, a hollow fixture secured to said couplin and provided with a tube, a valve carried y and within the fixture and adaptedy to seat against the outer end of said tube and close the same, a. lug projecting :from the fixture, and a pivote'd catch mounted on the valve and adapted to engage the flug of the xture and lock thekvalve in its closed position.

4. The combination in apneumatic clean- `ing system, of a stand pipe provided with :1

ing system, of a stand pipe provided with a coupling, `a hollow fixture provided with a tube terminating at its outer end short of the face of the fixture and projecting at its opposite end rearwardl beyond the fixture and externally threaded?,y means for connecting the threaded end of the tube with the coupling, lugs projecting from the fixture to enable it to be readily turned in securing it in or removing it from position, and a valve carried by and Within the fixture to seat against the outer end of the tube.

' 6. The combination in a pneumatic cleaning system, of a stand pipe provided With a coupling, a hollow fixture provided with a tube terminating at its outer end short of the face of the fixture and projecting at its opposite end rearwardly beyond the fixture and externally threaded, means for connecting the threaded end of the tube with the coupling, lugs projecting from the fixture to enable it to be readily turned in securing .it in or removingr it from position, a valve carried by and within. the fixture to seat against the outer end of the tube, and means for locking said valve in its closed position. In testimony whereof I affix my signature, in the presence of two witnesses.

JOHN T. HOPE. Titnessesx s HELEN C; RoneERs,. G. Y. THoRPE.