US1994616A

US1994616A - Suction nozzle

Info

Publication number: US1994616A
Application number: US731550A
Authority: US
Inventors: Stewart E Leitzell
Original assignee: Individual
Current assignee: Individual
Priority date: 1934-06-20
Filing date: 1934-06-20
Publication date: 1935-03-19
Anticipated expiration: 1952-03-19

Description

7. March 19, s. E, LEITZELL SUCTION NOZZLE Filed June 20, 1954 smoke pipes, air fiues and the' like.

Patented Mar. 19 1935 UNITED STATES w en PATENT OFFICE 3 Claims.

This invention relates to a suction nozzle designed primarily for use in connection with vacuum cleaners of that type utilizing suction hose for the purpose of cleaning out furnaces, Heretofore difliculty has been experienced in manipulating suction nozzles under these conditions because of their tendency to hook into the joints of the structure being cleaned, thereby interfering with the back and forth sliding movement of the nozzle during the suction operation.

It is an object of the present invention to provide a nozzle of novel form equipped with a runner whereby the nozzle can be moved freely over the inner surfaces of a structure being cleaned and will not become caught in the joints or crevices of the structure.

A further object is to provide a nozzle of this type which is simple and durable in construction and can be manipulated readily by means of the hose of a vacuum cleaner.

With the foregoing and other objects in view which will appear as the description proceeds, the invention consists of certain novel details of construction and combinations of parts hereinafter more fully described and pointed out in the claims, it being understood that changes may be made in the construction and arrangement of parts without departing from the spirit of the invention as claimed.

In the accompanying drawing the preferred form of the invention has been shown.

In said drawing:

Figure 1 is a view partly in section and partly in elevation showing the nozzle in position within a pipe being cleaned.

Figure 2 is a plan view of the nozzle.

Figure 3 is a section on line 3-3, Figure 1'.

Referring to the figures by characters of reference, 1 designates the head of the nozzle which is in the form of a box the sides 2 of which are relatively narrow and diverge downwardly from the top 3. The top and sides are joined to end plates 4 preferably parallel and provided with arcuate lower edges 5. The box opens between these arcuate edges to provide an intake slot or opening which extends throughout the width of the head. Extending from the bottom edges of the walls 2 are tongues 6 and additional tongues 7 are extended from the plates 4. These tongues '7 are extended in opposite directions from the head of the nozzle and are mounted on acentral arcuate runner8 formed preferably of stiff Wire. One end of the rubber is bent to provide an eye 9 in which is seated the looped forward end 10 of a relatively stiff wire which is bowed in opposite directions to form side runners 11. The back ends of the runners are joined to the back end of the central runner 8 in any suitable man ner asindicated at 12. Tongues 6 engage intermediate portions of the side runners l1 and it is to be understood that the several tongues 6 and '7 can be joined to the runners by welding, soldering or any other convenient means.

One of the plates 4 is formed near the top 3 with an opening 13 into which extends the small end ofa tapered sleeve 14. Lugs 15 are bent readily from the small end of the sleeve 50- as to lap the inner surface of the apertured plate 4 to which they can be fastened by soldering, welding, etc.

Sleeve 14 is adapted to receive a tapered tubular shank 16 extending from one end of a suction hose or pipe 17 such as is usually supplied with a vacuum cleaner. When it is desired to clean the interior of a pipe, furnace, or the like the shank 16 with the sleeve 14 applied thereto is inserted into the structure S so that

runners

8 and 11 can rest upon and loosely engage the inner surface of said structure. When the vacuum cleaner is operated a suction will be set up through the head of the nozzle and by means of suction hose or pipe 17 the nozzle can be moved back and forth upon the surfaces to be cleaned. It will be understood that during this movement the runners will support the nozzle close to but out of contact with the surface of the structure S. Consequently the parts will not become caught in the joints or crevices usually found within furnaces, smoke pipes, air fines, and the like.

What is claimed is:

1. A nozzle of the class described including a flat elongated head having a slot in the bottom thereof extending throughout its length, an arcuate runner extending across and connected to the open end of the head, and side runners extending past the head and joined to the adjacent portions thereof, all of the runners being connected at their front and back ends, and means for connecting a suction pipe to the head.

2. A nozzle for use in cleaning the inner surfaces of smoke pipes and the like including opposed arcuate side runners connected at their ends, an intermediate arcuate bottom runner connected at its ends to the ends of the side runners, a nozzle open at the bottom and secured to the intermediate andside runners, said runners constituting means for holding the open bottom of the nozzle close to but spaced from the surface to be cleaned, a sleeve extending from the nozzle and opening thereinto, a suction pipe, and a connection between said pipe and the sleeve.

3. A device for cleaning the inner surfaces of smoke pipesand. the like including a box-like nozzle head having an intake opening extending throughout the width thereof, tongues extending from the walls of the opening, opposed arcuate side runners, an intermediate arcuate bottom runner, all of said runners being extended adjacent their centers across the intake opening, said tongues being secured to the adjacent run-- ners to hold the head assembled with the runners,

and a sleeve extending from and opening into the head for attachment to a. suction pipe.

STEWART E. LEITZELL.