US167145A

US167145A - Improvement in planing-machines

Info

Publication number: US167145A
Authority: US
Publication date: 1875-08-24
Anticipated expiration: 1892-08-24

Description

W, WELLS.-

Planing-Machne.

N0, 167,145, Patented Aug. 24,1875.

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ttor/Ley UNITED STATES PATENT OFFICE.

WILLIAM WELLS, OFVSALEM, MASSACHUSETTS.

IMPROVEMENT IN PLANING-MACHINES.

Specification forming part of Letters Patent No. 167,145, dated August 24, 1875; application filed June 19, 1875.

To all whom it may concern:

Be it known that I, WILLIAM WELLs, of Salem,in the county of Essex and in the State of Massachusetts, have invented certain new and useful Improvements in Planing-Machines; and do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings and to the letters of ref'erence inar-ked thereon, making a part of this specication.

My invention relates to that class of chipbreakers for planing-machines which are made in sections, to adjust themselves to inequalities in the lumber; and the nature of my invention consists in a series of chip-breakers hinged on a rod or shaft which passes through them, and has its bearings in side arms, and these arms hung at their front ends below the cutters. It also consists in providing each section of the chip-breaker with a swiveled toe, and in the combination of parts, as will be hereinafter more fully set forth.

In order to enable others skilled in the art to which my invention appertains to make and use the same I will now proceed to describe its construction and operation, referring to the annexed drawing, in which Figure l is a plan view of iny invention. Fig. 2 is a longitudinal section of the same. Fig. 3 is a perspective view of the chipbreaker.

A represents the bed of the planing-machine, and B B are sides or standards at thel sides thereof, in which the cutter-head C has its bearings. D D represent a series of chipbreakers, hung upon a rod or shaft, a, which passes through their upper portions, as shown in Fig. 2. This rod or shaft has its bearings in side pieces or arms E E, which are pivoted at their front ends, below the cutters. Through the inner portions of the chip-breakers is passed a rod, b, which is surrounded by a rubber counteracted by the leverage exerted by the arms G and E, and the chip-breakers D, so that the lumber will not be raised by the cutters from the bed. This is a very important feature in a planing-machine, and one which is not accomplished when the arms E are hung or pivoted above the cutters. Each chipbreaker yields sufficiently independent of the others by means of the rubber sleeve d on the rod b, to compensate for uneven surfaces of the lumber. The front end or toe Dl of each chip-breaker is made separate from it, and pivoted or swiveled thereto, so that the toe will the better accommodate or adjust itself' to curved or uneven surfaces of the lumber.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, isy The chip-breaker, formed of a series of independently-moving sections D, each section of which is provided with a pivoted toe-piece, D', in combination with the spring-rod d, pivot-bar a, and levers G, all substantially as and for the purposes set forth.

In testimony that I claim the foregoing I have hereunto set my hand this 19th day of June, 1875.

WILLIAM WELLS.