US3540657A

US3540657A - Hose nozzle

Info

Publication number: US3540657A
Application number: US793287*A
Authority: US
Inventors: William S Thompson
Original assignee: Elkhart Brass Manufacturing Co LLC
Current assignee: Elkhart Brass Manufacturing Co LLC
Priority date: 1969-01-23
Filing date: 1969-01-23
Publication date: 1970-11-17
Anticipated expiration: 1987-11-17

Description

United States Patent Inventor William S. Thompson Elkhlrt, Indiana Appl. No. 793,287 Filed Jan. 23, 1969 Patented Nov. 17, 1970 Assignee Elkhart Brass Manufacturing Company Inc. Elkhart, Indiana a corporation of Indiana HOSE NOZZLE 3 Claims, 3 Drawing Figs.

U.S. (I 239/458, 239/460 Int. Cl. B05b 1/32 Field of Search 239/456, 457, 458, 460

References Cited UNITED STATES PATENTS 2,763,514 9/1956 Hansen at al. 239/458 3,244,376 4/1966 Thompson 239/458 Primary ExaminerM. Henson Wood, Jr. Assistant Examiner-Michael Y. Mar Attorney-Oltsch and Knoblock ABSTRACT: A hose nozzle having a tubular body with inlet and outlet ends. A tubular central barrel is screw threaded on said body and is adapted when rotated to regulate the flow rate through the nozzle. An end sleeve is screw threaded on the central barrel and is adapted when rotated relative to the barrel to regulate the stream pattern of the fluid discharged from the nozzle. Both the central barrel and the end sleeve have a plurality of circumferentially spaced notches therein. A locking lever is pivotally carried by the body of the nozzle. An engagement member is pivotally connected to the forward free end part of the locking lever. One of said engagement member and locking lever is received within a selected notch in said central barrel and the other of said engagement member and locking lever is received within a selected notch in said end sleeve so as to restrain the barrel and sleeve from rotation. Either of the engagement member and locking lever can be disengaged from its receiving notch independently of the other.

Patented Nov. 17, 1970 fi E l L g; I h 22 :7 /O /oo we 90 g In: I '1.

INVENTOR. W/LL/AM S. THOMPSON BY Cir $1444, e M

ATTORNEYS HOSE NOZZLE CROSS REFERENCE TO A RELATED PATENT This invention relates to an improvement in the fire hose nozzle comprising the subject matter of :my U.S. Pat. No.v

3,244,3 76,'granted Apr. 5, I966.

SUMMARY OF THE INVENTION This invention relates to an improved hose nozzle having a tubular body with inlet and outlet ends. A central barrel is screw threaded onto said body and projects around a stem carried centrally at the outlet end of the body. The central barrel includes a reduced bore at one end portion which serves, in conjunction with a disk carried concentrically by the stem, to vary the rate of flow through the valve as the central barrel is rotated and shifted axially relative to the body. An end sleeve is screw threaded onto the central barrel and serves to define the stream pattern of the fluid flow through the nozzle as the sleeve is rotated relative to the central barrel. Both the central barrel and end sleeve have a plurality of circumferentially spaced notches.

An elongated locking lever is pivotally connected to the tubular body and has a free end part pivotally carrying an engagement member. One of said engagement member and locking lever is removably received within a selected notch in the central barrel and the other of said engagement member and locking lever is removably received within a selected notch in the end sleeve. The locking lever and engagement member are independently biased into their respective receiving notches and can be independently withdrawn therefrom to permit the freed barrel or sleeve to be rotated relative to other parts of the nozzle to vary the characteristic of the flow through the nozzle. This novel feature permits the user of the hose nozzle to quickly change the flow rate through the nozzle without affecting the stream pattern or, alternatively, to vary the stream pattern without changing the flow rate.

Accordingly, it is an object of this invention to provide a hose nozzle having independently rotative parts which control respectively the flow rate through the nozzle and the spray pattern issuing therefrom and in which a selected one of these rotative parts can be locked to permit rotation of another rotative part.

Other objects of this invention will become apparent upon a reading of the inventions description.

BRIEF DESCRIPTION OF THE DRAWINGS A preferred embodiment of this invention has been chosen for purposes of illustration and description wherein:

FIG. 1 is a side view ofa hose nozzle.

FIG 2 is a fragmentary top plan of the nozzle illustrated in FIG. 1.

FIG. 3 is an axial sectional view of the nozzle illustrated in FIG. I.

DESCRIPTION OF THE PREFERRED EMBODIMENT The preferred embodiment illustrated is not intended to be exhaustive or to limit the invention to the precise form disclosed. It is chosen and described in order to best explain the principles of the invention and its application and practical use to thereby enable others skilled in the art to best utilize the invention.

The nozzle illustrated is adapted for connection to a tire hose and includes a tubular body having a bore 12 extending therethrough. The rear portion I4 of body 10 has a swivel connector 22 attached thereto. Swivel connector 22 is adapted to threadably receive a fitting attached toone end of a fire hose or similar flexible conduit. An inverted U-shaped handle 42 is .connected to body 10 and is adapted to be swung fore and aft relative to the nozzle so as to actuate a valve ball 38 pivotally housed within bore 12 and connected to handle 42. Valve ball 38 has a bore 39 therethrough which is swingable into and out of alignment with bore 12 in body 10 by 50 terminates in a forward end part 56 having a restricted or reduced diameter. Forward end part 56 is preferably defined by a circumferential internal flange having beveled inner and outer surfaces. Central barrel 50 is positioned inwardly of the disk 60 and has its forward end portion 56 cooperating with disk 60 to define a flow-regulating valve which is actuated upon rotation of central barrel member 50 relative to body 10 and which determines the rate of flow of fluid through the nozzle. An indicator ring 100 preferably encircles the rear end portion of central bore 50 and is affixed thereto. Ring 100 includes a plurality of circumferentially spaced notches I06 formed therein.

An end sleeve 66 is received over and threaded onto central barrel 50; Rotation of sleeve 66 relative to central barrel 50 and body 10 varies the stream pattern of the fluid flow through the nozzle. End sleeve 66 preferably has an indicator sleeve @0 encircling and affixed to the rear end portion thereof. Indicator sleeve is preferably provided with a plurality of circumferentially spaced notches 96.

The construction and method of operation of the hose nozzle thus far described is more fully explained in US. Pat. No. 3,244,376.

An elongated member or locking lever 80 is pivotally connected at its rear end part to tubular body 10 at 82 and extends forwardly therefrom, longitudinally of the nozzle, and terminates in a substantially V-shaped inwardly projecting free front'end part 86. Lever 80 is of sufficient length to extend over indicator ring encircling central barrel 50 and terminate with its V-shaped free end part 86 preferably received within a selected notch 96 in the indicator sleeve 90 encircling end sleeve 66. The intermediate part of lever 80 which overlies indicator ring 100 is preferably slotted and receives an engagement member 112 which is pivotally connected at 114 to lever part 110. Engagement member 112 includes an inwardly projecting end part or dog 116 which is normally received within a selected notch 106 in ring indicator 100 and an outwardly projecting end part 118. Locking lever 80 and engagement member 112 are each spring urged into engagement with cooperating selected notches in indicator ring 100 and indicator sleeve 90 as best illustrated in FIG. 3.

To vary the rate of flow through the nozzle, end part 118 of engagement member 112 is depressed causing dog 116 to be lifted or disengaged from the receiving notch 106 in indicator ring 100 and thereby free central barrel 50 for rotation. To adjust the stream pattern without varying the flow rate through the nozzle, locking lever 80 is pivoted outwardly or counterclockwise, as viewed in FIGS. 1 and 3, either by pushing at 120 on lever 80 or by lifting upon end part 118 of engagement member 112, thereby causing the free end part 86 of lever 80 to be lifted or disengaged from the receiving notch 86 in indicator sleeve 90 and thus free end sleeve 66 for rotation. Upon disengagement of lever 80 from indicator sleeve 90, dog 116 of the engagement member pivots relative to lever 80 and remains engaged with indicator ring 100 to prevent rotation of central barrel 50.

Iclaim:

I. In a nozzle having a tubular body with inlet and outlet ends, a stem carried centrally by and projecting longitudinally from the outlet end of said body, a tubular central barrel threaded on said body and projecting therefrom and around said stem, said central barrel defining a reduced bore at the forward end portion thereof, a disk carried concentrically by said stem outwardly of the reduced bore portion of said central barrel to define a flow regulating valve, said central barrel being rotatable relative to said tubular body to vary the flow rate through the nozzle, and end sleeve threaded on said central barrel and encircling said disk with clearance to define the stream pattern of flow issuing from said nozzle, said end sleeve being rotatable relative to said central barrel to vary said stream pattern, said central barrel and end sleeve each having a plurality of circumferentially spaced notches, the improvement comprising an elongated longitudinally directed locking lever pivotally connnected to said body and having a forward free end part, an engagement member pivotally connected to said locking lever forwardly of its pivot connection and having an inwardly projecting end part, one of said inwardly projecting end part and forward free end part being removably received within a selected notch in said central barrel and the other of said inwardly projecting end part and forward free end part being removably received within a selected notch in said end sleeve 2. The nozzle of claim 1 wherein said inwardly projecting end part and forward free end part are spring urged into said selected notches in said central barrel and end sleeve and are independently disengageable therefrom so as to permit rotation of said central barrel and end sleeve relative to each other.

3. The nozzle of claim 2 wherein said engagement member includes an outwardly projecting end part, said outwardly projecting end part being shiftable to cause pivotal movement and disengagement of said inwardly projecting part from its receiving notch.