US2676062A

US2676062A - Liquid sprayer

Info

Publication number: US2676062A
Application number: US205127A
Authority: US
Inventors: William L Hamilton
Original assignee: W L Hamilton & Co
Current assignee: W L Hamilton & Co
Priority date: 1951-01-09
Filing date: 1951-01-09
Publication date: 1954-04-20
Anticipated expiration: 1971-04-20

Description

April 20, 1954 w. 1.. HAMILTON LIQUID SPRAYER Filed Jan. 9, 1951 Patentecl Apr. 20, 1954 LIQUID SPRAYER William L. Hamilton, Bangor, Mich., assignor to W. L. Hamilton & Company, Bangor, Mich a.

eopartnership Application J anuary 9, 1951, Serial N0. 205,127

8 Claims.

This invention relates to improvements in liquid sprayers.

The main objects of this invention are:

First, to provide a sprayer which is weil adapted for use in the sprayiiog of insecticides Which is capable of adjustment to widely vary thecharaoter of the spray delivered or to permit the delivery of a solid stream.

Second, to provide a structure having these advantages which is not likely to become clogged.

'I'hird, toprovide a structure having these advantages which may be very easily adjustesl to secure the various ranges of discharge and one in which the parts are simple and economical to produce and assemble.

Further objects relating to details and economies of the invention Will appear from the clescription to follow. The invention is defined and pointed out in the claims.

The drawings, of which there is one sheet, illustrate a preferred embodiment of the invention, in which:

Fig. 1 is a fragmentary side elevation oi a sprayer device such as is used in the spraying of insecticides, only one sprayer unit being illustrated.

Fig. 2 is an enlarged front end elevational view.

Fig. 3 is an enlarged longitudinal sectional view on a line corresponding to line 3--3 of Fis. 1 and 2, the adjustment being indicatecl by dotted -lines.

Fig. 4 is a fragmentary longitudinal view with the head member in longitudinal section, the other parts being shown as viewed from the top of Fig. 3.

Fig. 5 is a face view of the bafile member.

In the accompanying drawing, l represents the supply pipe of a sprayer equipment Which commonly has more than one sprayer unit mounted thereon, but only one being illustrated in the accompanying drawing. The emoodiment f my invention illustrated comprises the body *or base member 2 which is externally threaded to adjustably receive the cylindrical heacl memher 3, the head member having an internally -threaded section 4 at its rear end. The lock nut on the base member is provided to secu1e the head member in its adjusted positions on the base member.

in the embodiment illustrated also serves as a support for the base member. The nozzle tip 18 15 :emovable so that a t1p having a bore or passage 9 of the desired diameter may be used. The base member has a longitudinal peripheral slot H3 therein adaptmad to receive the shank l! 01" the generally spoon-shaped baffle member I2.

The shank H is pivotally mounted by the pivot pin I3 which is arranged in a transverse bore M provided in the base member (see Figs. 3 and 4).

The head member is provided with an internal annular rearwarolly tapered. rib 15 which con stitutes a supporting abutment ior the baflie member, the bafifle member being biased or urged radially against the abutment oy means of the ooiled springs 86 seated in the bottom oi the slot lt), the shank of the bafile memoer being provided with a pocket i! for the spring. This retains the spring in position without other Supp0rt or fastening means.

By reference to Fig. 3, it Will be noted that the abutment la'a is disposed in substantially forwardly spaced. relation to the tip 8 and supportingly engages the outer side of the baflie member throughout the full range of adjustment of the head member. The range of adjustment of the head member is such that the baffle mernber may be adjusted to a position entirely out of the path of the stream discharged. from the delivery passage which permits the delivery of a substantially solid stream. The baffie may be adjusted to any desired position to be impinged by the stream so that the character of the spray may be varied from the solid stream to the maximum spread and diffusion of the liquid discharged. In all positions of ao'ljustment the throw of the stream or spray is relatively long.

An important advantage of my structure is that the discharge may be greatly varied from a long distance spray to a Wide driving spray. The quantity of liquid discharged is not varied by the adjustment. Further, in many spray solutions or mixtures there is a oonsiderable amount 015 solids and in many sprayers, these fesult in clogging the sprayer. In my sprayer, there is no clogging as clogging cannot result -from the adjustment of the sprayer for producing sprays of difierent charaoters.

I have illustrated and described my invention in a highly practical commercial embocliment thereof. I have not attempted to illustrate o1 describe other adaptations or modifications which I contemplate as it is believed that this disclosure will enable those skilled in the art to embody o1 adapt my invention as may be clesired. v

Having thus described. my invention, what 1 claim as new and desire to secure by Letters Patent is:

1. In a sprayer, the combination of a cylindriaal externally threadecl base member having a longitudinal delivery passage therein, a nozzle tip member removably threaded into the front end of said passage, said base member having a longitudinal peripheral slot opening at its iront end, a cylindrical head. member threaded upon said base member for adjustment of the head member longitudinally I" the base member, said base member being provided with a lock nut for said head member, a baflle member having an inner surface concaved transversely and longitudinally of the bafile member and having an outer surface curvecl longitudinally of the bafile member, said bafile member naving a shank pivotally supported in said slot in said base memb6l, and a spring disposecl in said slot between said shank and a radially inwarclly bottom Wall 01" said slot and acting to urge said baflle yieldingly outward, said bafile member inner surface being disposecl to be impinged by the stream irom said delivery passage said head. member having an internal annular rearwardly taperecl rib extencling entirely around the head member interioriy thereof anci continuously supportingly engaging the longitudinally curved outer surface er" said bafile member through successive complete rotations of the head rnember upon the base mernber, whereby the position of the bafile member relative to the nozzle tip rnernleer may be acljusted by the screw threaded acljustment of said head member longitudinally oi said base mernber.

2. In a sprayer, the combination of a cylindrical externally threaded base member having a longitudinal delivery passage therein, said base memleer naving a longitudinal peripheral slot opening at its front end, a cylindrical head member threaded upon said base member i'or adjustment of the head member longitudinally of the base rnember, a baflie member haVing an inner surface concaved transversely ancl longitudinally of the baffle member andhaving an outer surface curvecl longitudinally of the bafile member, said bafile member having a shank pivotally supported in said slot in said base member, and a spring disposecl in said slot and acting to urge said bafi'le yieidingly outward said bafile member inner surface being disposed to be im'pinged by the stream frorn said delivery passage, said head member having an internal rio extending entirely around the head member interiorly thereof ancl continuously supportingly engaging the longitudinally curved outer surface o1" said baflle member through successive complete rotations of the head member upon the base membier, whereby the position of the baflle member relative to the delivery passage may be acljusteo'. by tne screw threaded adjustrnent of said head member longituclinally of said base member.

3. In a sprayer, the combination of a cylindrical base member having a (zentral longitudinal passage therein, said base member having a longitudinal peripheral slot therein, a head member mountecl upon said base member I"or adjustment thereon, a baffie member provided with a shank pivotally supported in said slot in said base member, and a spring disposecl in said slot between said shank and a radially inwarclly betteln wall o:f said slot and acting to urge said baflle yieldingly outward, said head member having an internal rib like abutment spaced from said base member in all positions of adjustment of the head member on said base member and supportingly engaging said bafifle member, whereby the position of the baflle member relative to the nozzle tip: member may be adjusted by the adjustment cf said head member on said base member.

4. In a sprayer, the combination of a cylindrical externally threaded base member having a centra1 longitudinal passage therein, said base member having a longitudinal peripheral slo-t therein, a head member mounted upon said base member for adjustment of the head member longitudinally o;f the base member, a base member being provided With a lock nut for said head member, a baffle member provided with a shank pivotally supportecl in said slot in said. base member, and a spring disposed in said slot and acting to urge said baffle yielclingly outward, said head member having an internal annular rearwardly tapered rib like abutment extending entirely around the head mernber interiorly thereof andcontinuously supportingly engaging the baiile member against radial displacernent by said spring through suceessive eomplete rotations of the head member upon the base member, whereby the position of the bafile member relative to the nozzle tip member may be adjustecl by the screw threaded adjustment of said head member longitudinally of said base member.

5. In a sprayer, t7ne combination of a base memher having a longitudinal delivery passage therein, a head member threadecl upon said base member for adjustment oi the head member longitudinally ai the base member, a spring biased baiile mernber mounted on said base member for radial swinging adjustment, said head member having an internal annular abutment member extending entirely around the head member interiorly thereof and continuously supportingly engaging the baffle mernber against radial displacement by said spring through successive complete rotations of the head member upon the base member, whereby the position of the baflle mexnber relative to the nozzle tip member may be adljusted by the adjustment 01 said head member longltuziinally of said base member.

6. In a sprayer, the combination of a base membei having a longitudinal delivery passage therein, a head member mountecl on said base member for axial adjustment thereon, means for adjusting the head rnember axially of tne base member, a spring biased baflle znember mounted on said base member for radial swinging adjustrnent, said head member having an internal abutment ad justable axially with said base member, said baflle rnember being spring biased radially outwardly against said abutment, the inner surface. of the baille member being. disposed to be impingecl by the stream from said delivery passage, the outer surface of the baflle member being engaged by the abutment and being inclined relative to the direction 05 axial adjustment cf the abutrnent, Whereby the position of the bafile member relative to the nozzle. tip mernber may be adjusted by the adjustrnent of said head member axially of said base member.

7 In a sprayer, the combination of a base member having a longitudinal delivery passage therein, a baflle member mounted on said base membar for adjustrnent radially relative to said delivery passage anal extending in a direction general1y longitudinally of the delivery passage, and means supported by said base member Tor adjusting said baille memberradially ein a Solid 5 stream issuing from said delivery passage to convert it into a. mist-like form, the inner surface of the baffle member being disposed 130 be impinged by the stream from said. delivery passage anal being concaved transversely and longitudinally of the baffie member to facilitate throw o1" the stream in mist-like form a relatively lang distance.

8. In a sprayer, the combination of a, base memioer having a longitudinal delivery passage, a. cylindrical head member mounted 011 said base member and a-djustable relative thereto, seid base member having a longitudinal slot with a radia1ly inwardly bottom Wall, a, radially adjustable bafiie having a shank pivotally disposed in said slot, and a spring disposed in said slot between said s1ot bottom wal1 and said shank and yield- 6 ing1y urging seid. baflie radia11y outwardly, said cylindrical head member having an inwardly projecting abutment member disposed to engage said bzzfile am]. urge the same radial1y inwardly against tne stress of seid Spring upon adjustment of said head member relative to said base member.

References Cited in the fi1e of this patent UNITED STATES PATENTS Number Name Date 525,507 Neumeyer Sept. 4 1894 614,883 Neumeyer et a1 Nov. 29, 1898 617,472 Neumeyer et a1. Jan. 1 99 23 32 Tirrell Feb. 13, 1945