US313694A - Joiner s plane - Google Patents

Joiner s plane Download PDF

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US313694A
US313694A US313694DA US313694A US 313694 A US313694 A US 313694A US 313694D A US313694D A US 313694DA US 313694 A US313694 A US 313694A
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Prior art keywords
cutter
bearing
plane
joiner
stock
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27GACCESSORY MACHINES OR APPARATUS; TOOLS; SAFETY DEVICES, e.g. THOSE FOR SAWS
    • B27G17/00Manually-operated tools
    • B27G17/02Hand planes

Description

NITED Sterne WILLIAM TIDGEWELL, OF MIDDLETOWN, ASSIGNOR TO THE MERIDEN MAL- LEABLE IRON COMPANY, OF MERIDEN, CONNECTICUT.

'JOINERS PLANE.

E PECIFICATION forming part of Letters Patent N0. 313,694, dated March 10, 1885.

Application filed February 2, 1885. (No model.)

To all whom it may concern:

Be it known that I, \VILLIAM TIDGEWELL, of Middletown, in the county of Mid llesex and State of Connecticut, have invented anew Im- 5 provement in Joiners Planes; and I do hereby declare the following, when taken in connection with accompanying drawings and the letters of reference marked thereon, to be a full, clear, and exact description of the same, and

I which said drawings constitute part of this specification, and represent, in

Figure 1, a longitudinal vertical section; Fig. 2, an underside viewot'thestock; Fig. 3, a transverse section through the stock, looking I on the face of the bearing D.

This invention relates to an improvement in that class of joiners planes in which the stock is made from .cast metal, and in which the cutter is made adjustable by mechanical appliances. In the usual construction of these planes the cutter takes a bearing upon the stock at the mouth, the bearing extending up a c0nsiderable distance on the back of the cutter. This bearing-s11 rface is usually smooth,and the cutter fits close upon it. The result of this bearing is to create a very great friction be tween it and the cutter, owing to the pressure which is brought upon the cutter at the bearing in the clamping operation, so that when the cutter is so clamped a very considerable force is necessary to be applied to the adj usting device to move the cutter.

The object of my invention is to diminish this friction while still retaining practically the same extent of bearing; and it consists in ter upon its seat D; G, the movable bed to which the cutter is also clamped; H, the adjusting device applied to the bed or slide G, and by which said slide and cutter are moved to adjust the cutter.

The clamping device, bed, and adjusting device may be any of the known constructions.

The face of the bearing D, instead of being made flat, is corrugated, as seen in Fig. 3, so as to form a series ofribs, a a, more or less in number, these ribs forming a series of narrow bearings, upon which the cutter will rest and its proper position be insured, yet over which it will easily move under the action of the adjusting devices.

As here represented, the area of all the ribs amounts to about one-third of the area of the bearing. The friction therefore is reduced accordingly; but still the same firm support is given to the cutter. These grooves should terminate near the bottom surface of the stock, or at about where the bevel at the edge ofthe cutter begins, as seen in Figs. 1 and 3. These grooves may be formed in casting, the ribs subsequently dressed to finish the bearing for the cutter.

In the illustration I have showna construc -tion of plane which permits of but a short bearing for the lower end of the cutter; but in 7 5 other well-known constructions the extent of bearing is very much greateryeven to forming the entire support for the cutter. The advantages of my invention increase as the extent of the bearing increases.

I claim In a joiners plane in which the stock is of cast metal, and in which the cutter is made adjustable, the bearing D in the rear of the mouth, and which supports the cutter, constructed to form a series of ribs upon its face, and upon which ribs the cutter will rest, sub stantially as described.

WVILLIAM TIDGEWELL.

Witnesses:

GEo. W. SMITH, ELI I. MERRIMAN.

US313694A Joiner s plane Expired - Lifetime US313694A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015649A (en) * 1974-10-29 1977-04-05 Stanley Tools Limited Wood planes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015649A (en) * 1974-10-29 1977-04-05 Stanley Tools Limited Wood planes

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