US388705A

US388705A - Finger-bar

Info

Publication number: US388705A
Authority: US
Publication date: 1888-08-28
Anticipated expiration: 1905-08-28

Description

(No Model.)

L. D. MINNIGK.

FINGER BAR.

Patented Aug.y 28, 1888.

N. PETERS. FlwwLmwgraulm, wnsmngluu. D.c.

UNITED STATES PATENT OFFICE.

LORENZO D. MINNICK, OF ROCKFORD, ILLINOIS.

FINGER-BAR.

SPECIFICATION forming part of Letters Patent N o. 388,705, dated August 28, 1888.

Application Bled July 7, 1887. Serial No. 243.641.

(No model.)

new and useful Improvements in Finger-Bars,

of which the following is a specification.

This invention relates to linger-.bars of harvesting-machines. Its object is to prevent the upward curvature of the linger-bars in harvesting-machines in which a counter-balance tothe free end of the cutting apparatus is cmployed at the heel or shoe end thereof.

It consists in a rib fixed to the under side at the rear edge of the shoe-end portion of the fingerbar.

In the accompanying drawings, Figure 1 is an isometrical Linder face representation of a finger-bar embodying myinvention. Fig. 2 is a lengthwise vertical section ofthe parts on a line through the holes to receive the rivets, and Fig. 3 is a lengthwise vertical section of the complete bar on a line cutting the rivets employed to connect the parts centrally.

The main portion l of the linger-bar is of the usual taper form in width and of equal thickness. Holes 2 are made in the shoeend portion of the finger-bar at suitable intervals near its rear edge and about equidistant therefrom.

A rib, 3, preferably of semicircular, oval, or D form in cross-section, is provided with holest of the same size as the ho1es2 in the 1inger-bar; but the spaces between the holes in the rib are slightly greater than the corresponding spaces between the holes in the finger-bar. r

The rib is fixed in place on the under face at the rear edge of the finger-bar by rivets 5, driven into the corresponding holes in both the rib and finger-bars, and riveted to secure them to each other.

The rivets employed are conveniently pointed, so as to enter the holes in the adjacent bar to the one in which they are first inserted, and as they are forced home willdraw the tinger-bar down into close contact with the rib, and in so doing will slightly curve the same because of forcing the holes which are farther apart as nearly as possible into alignment with those which are nearer together. Thus when the bar isin working position in the machine and supported by a counter-balance connected therewith at its shoe end, the bar which is normally curved will now, because of the downward swing of its free end, present a plane to the cutter.

The gist of my invention lies in the normally-curved bar held in its curved form by the rivets extending through it and through the binding-bar and rib.

I claim as my invention- The combination, with the finger-bar, of the rib fixed to the under face of the bar, the said finger-bar and rib being provided with rivetholes, the rib having its rivet-holes farther separated than the holes in the nger-bar, whereby the bar is retainedin its curved form, substantially as set forth.

\ LORENZ() D. MINNICK.

Witnesses:

JACOB BEHEL, WILLIS M. KIMBALL.