US444786A - Wheeled insect-destroyer - Google Patents

Description

(No Model.)

A. D. TYRREL.

WHEELED INSECT DESTROYER.

No. 444,786. Patented Jan. 13, 1891.

UNITED STATES PATENT OFFicE.

ALVIN D. TYRREL, OF. DAYTON, OHIO, ASSIGNOR OF- ONE-HALF TO STEPHEN J. SIBLEY, OF WEST SPRINGFIELD, MASSACHUSETTS.

WHEELED INSECT-DESTROYER.

SPECIFICATION forming part of Letters Patent No. 444,786, dated January 13, 1891.

Application filed October 22, 1890.

To all whom it may concern:

Be it known that I, ALVIN D. TYRREL, a citizen of the United States, residing at Dayton, in the county of Montgomery and State of Ohio, have invented new and useful Improvements in Wheeled Insect-Destroyers, of which the following is a specification.

This invention relates to improved wheeled insect-destroyers, particularly designed for being driven into the field among the plants to be treated and for disseminating the insecticide.

The object of the present invention is the provision of an insect destroying vehicle which is of unusual efficiency, and one in which, due to the construction and relative arrangement or disposition of the parts, the apparatus is most compact, simple, cheap, convenient, and as light as possible consist- 2o ent with utility.

The invention consists in the construction and combination of parts, substantially as hereinafter described, and particularly point ed out in the claim.

In the drawings, Figure 1 is a rear elevation of the wheeled insect-destroyer, Fig. 2 being a side elevation of same; and Fig. 3 is a vertical sectional view of the air-compressor and the operating-cam therefor, as seen on 0 the line so 00, Fig. 1.

The two wheels a a of the vehicle are pro vided, as usual,for the axle b, which, however, is preferably intermediately depressed, as at c. The rear portion of the thill-frame cl is 5 spring-supported from the axle, and is provided with hangers c, 011 which is supported the receptacle f for the insecticide liquid or solution, so that the same may have an easy motion from the supporting-springs g. The

seat is mounted in any desired manner.

h h represent air pumps or compressors, which are supported on the castings or brackets v 2', the latter in turn being by means of bolts detachably and rigidly secured to the axle. The piston j for the pump is provided with a stud and roller k, which takes into a cam-groove Z, formed in a part Z, that is affixed inside of the wheel-hub. The lower end of said piston is forked and straddles the axle,

Serial No. 368,978. (No model.)

and is thereby constrained to move in the axis 5c of the pump-casing. The cam Z, rotating'with the wheel, has the course of the groove therein formed so that on each rotation of the wheel the piston of the air-compressor will be reciprocated twice. 5 5

In the particular form of pump shown there is an upper chamber 1 and lower chamber 2, separated by the partition 3, having the conical valve-seat opening 4 therein for the conical valve 5, which on its bottom is provided with the pending projection 6. The pumppiston j plays within the chamber 2, being provided with the flap-valve 7 for the opening therein, which is closed on the forcing movement. As the piston is forced inwardly, compressing the air in chamber 2, it-strikes against the projection 6 on valve 5, opening same and further compressing the air which is in chamber 1, and which is in the receptacle f above the liquid level therein, which may be perhaps at the height indicated by the dotted line in Fig. 1. As the piston reverses, the valve 5 closes under the pressure and air is taken into chamber 2 through. the then opened flap-valve '7. The hose-pipe form- 7 5 ing air communication between the compressing-pump and receptacle is connected to one or both of said parts by couplings for ready detachment, as may be desired.

On the top of each pump is a relief-valve, although the same might be placed on the receptacle f instead, so that as any pressure is established in excess of that necessary for sufficiently forcing the liquid through and beyond the pipe and nozzle 02 it may be automatically abated. The conduits leading from the compressor-pumps to the receptacle f enter the latter at the bottom thereof, and thereby the agitation of the insecticide solution is readily accomplished.

By forming the axle with the intermediate depression and providing the suspension devices for the receptacle, as shown, the latter is most compactly and conveniently disposed, and by making a detachable form of oonnec- 95 tion between the receptacle and the thillframe the space under the seat may on the removal of the receptacle be utilized for other purposes. For instance, a barrel of flour or bag of meal maybe strapped or suspended'in the place of the tank.

Having fully described my invention, What I claim, and desire to secure by Letters Patent, 1s

In an insect-destroyer, in combinatiom'the carriage having; on the inside of its Wheelhubs grooved cams, the thill-fraine springsupported by its rear portion from and above the carriage-axle and provided with th e hooked hangers e e, the closed tank having the studs by which it is removably supported in said hangers and having a discharge-pipe and nozzle, air-pumps removably supported on the axles inside of said wheel-hubs and having the conduits m 'm, detaehably coupled to and coinlnunicatingwith the com pressed-aircham bers of said pumps and leading to the bottom of said closed tank, and the pistons of said airpumps having their piston-rods formed fOIkt d and straddling for engagement the axle and having the studs engaging said wheel-huh cams, and said air-pumps being provided With relief-valves, all substantially as described and shown, for the purposes setforth.

ALVIN D. TYRREL.

\Vitnessesr WM. S. BELLOWS, G. M. CHAMBERLAIN.

Images