US11129A - Improvement in painters brushes - Google Patents

Description

J. S.' MARTIN. .Paint Brush.

Patented- June 20, 18-54.

UNITED STATES PATENT OFFICE.

JOHN S. DIARTIN, OF BOSTON, MASSACHUSETTS.

IMPROVEMENT IN PAINTERS BRUSHES.

Specification forming part of Letters Patent No. 11,129, dated June 20, 1854.

T0 to whom it may concern.-

Be it known that I, JOHN S. MARTIN, of Boston, in the county of Suffolk and State of Massachusetts, have invented a new and useful Improvement in Painters Brushes; and I do hereby declare that the same is fully described and represented in the following specification and the accompanying drawings, letters, figures, and references thereof.

In the said drawings, Figure 1 denotes a side View, and Fig. 2 a longitudinal section, of a painters brush having my improvement applied to it.

The nature of my invention consists in providing the bristles of the brush with an elastic binder to extend from their connection with the handle and around the pack and down toward the point or working end of the brush.

In the drawings, while A denotes the bandle of the brush, l3 exhibits the mass of bristles applied to it and confined upon it in the usual way. An elastic tube or binder (J is placed on the bristles and made to extend entirely around the mass and to compress them together, the said binder or tube being made in'lengt-h sufficient to extend as near to the points of the bristles as may be necessary to insure their proper elasticity.

As the bristles of paint-brushes wear up during their use, it is customary to make them in the first place much longer or to project them farther from their stick or handle than it would be convenient to have them, in order that they might have the proper amount of elasticity when used. As when so made they are generally too flexible or elastic for practical use, it is customary to reduce their elasticity or flexibility by winding around the mass and for some distance from its connection with the' handle what painters term a binder. This consists of a common inelastic cord, which is removed and a shorter one substituted forit as fast as the wear of the bristles or other circumstances may render the same necessary.

Instead of employing an inelastic thread or wire, I make use of an elastic tubular binder made of vulcanized india-rubber or other suitable material, such binder being placed on the brush, as seen in the drawings. \Vhile this insures to the bristles all the flexibility necessary, it enables them when the brush is in use to move or work apart within the place where they are bound by it, and

thus prevents them from becoming there set or injured in their elasticity, as is the case when an inelastic binder is employed.

The common cord binder is a source of almost constant care to the painter. It frequently becomes either worn and broken or requires adjustment while in use, whereas with an elastic tubular binder either fixed in place or applied so as to slide on the bristles most, if not' all, the difficulties of the common binder are avoided.

I might enumerate many advantages the elastic binder possesses; but as these will be apparent to any skillful painter or brushmaker I have not considered such to be necessary.

I do not confine my invention to the ordinary brushes used by house-painters,as it is applicable to various other kinds in common use.

\Vhat I claim is- The improvement above described-viz, the application of an elastic tubular binder to a brush, instead of an inelastic cord or binder, as commonly used, the said elastic binder being composed of caoutchouc or other suitable material or materials.

In testimony whereof I have hereunto set my signature this29th day ofApril, A. D. 1854.

JOHN S. MARTIN.

Vitnesses:

R. H. EDDY, F. P. HAL Jr.

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