US2395268A - Hand plane - Google Patents

Description

Feb. 19, 1946. c. E. GOODRIDGE HAND PLANE Filed Sept. 9, 1943 2 Sheets-Sheet 1 ATTCIR N EYE Feb. 19, 1946.

C. E. GOODREDGE HAND PLANE Filed Sept. 9, 1943 2 Sheets-Sheet 2 Patented Feb. 19, 1946 UNITED STATES PATENT OFFICE HAND PLANE Clarence E. Goodrldge, Campbell, Calif.

Application; September 9, 1943, Serial No. 501,883

1 Claim. (Cl. 145-5) The invention relates to a carpenters plane, and more especially to a power driven hand plane.-

The primary object of the invention is the provision of a plane of this character wherein the frame or block is in two sections adjustable relative to each other to vary the position of the cutter blades for shallow or deep cutting of the plane in the working thereof, the plane being hand guided or manipulated while the cutters are power driven Another object of the invention is the provision of a plane of this character wherein the adjustment of the sections of the frame or block of the plane is of novel arrangement, being readily and easily accessible and susceptible of convenient adjustment.

A still further object of the invention is the provision of a plane of this character wherein the cutter blades are carried by a rotor and the same is mounted in the plane, frame or block in a novel manner.

A still further object of the invention is the provision of a plane of this character wherein the motor of the electric type is bodily supported thereby and said plane is conveniently handled through the use of handle grips properly disposed for the guiding of the plane and the successful working thereof. I

A still further object of the invention which is simple in its construction, thoroughly reliable and efficient in operation, strong, susceptible of accurate adjustment and inexpensive to manufacture.

With these and other objects in view, the invention consists in the features of construction, combination and arrangement of parts as will be hereinafter more fully described in detail, illustrated in the accompanying drawings, which discloses the preferred embodiment of the invention and pointed out in the claim hereunto appended.

In the accompanying drawings:

Figure l is a side elevation of the plane constructed in accordance with the invention.

Figure 2 is a top plan view thereof.

Figure 3 is an enlarged fragmentary sectional view taken on the line 3-3 of Figure 2, looking in the direction of the arrows.

Figure 4 is an end elevation.

Figure 5 is a sectional view taken on the line 5-5 of Figure 1, looking in the direction of the arrows.

Figure 6 is a fragmentary sectional view taken on the line 5-5 of Figure 3, looking in the direction of the arrows.

Similar reference characters indicate corresponding parts throughout the several views, in the drawings.

Referring to the drawings in detail, A designates generally a plane constructed in accordance with the invention and is of a power driven type, as will be hereinafter fully described.

The plane A comprises a frame or block involving relatively movable front and rear sections In and II respectively, in this instance the said frame or block being made from metal and the said sections I0 and II thereof are slidably united with each other along a diagonal line l2 immediately forwardly of a substantially circular shaped rotor space l3 transversely disposed in the said section I l.

Within the space I3 is a rotor l4, it being splined or keyed at IE to a driven shaft 16 mounted in bearings ll, these being fitted to removable hanger plates l8 fixed in suitable slots or ways provided in opposite side walls IQ of the section ll through the medium of removable fasteners 20. The hanger plates through the medium of the fasteners 20 are associated with a bridging handle 2| which is disposed crosswise of the section I I immediately above a bridge piece 22 interfitted between the side walls IQ of the said section II.

The rotor I4 has radially disposed planer blades 23 adjustably fastened in position by fasteners 24. These blades 23 are projected through a cutting gap 25 in the section II the blades are set in the position as shown in the rotor l4 and their cutting edges are adapted to be exposed through the slot 25 for the cutting operation thereof in the use of the plane.

The shaft l 6 carries a belt pulley 26 over which is trained an endless driving belt 21, the latter being also trained over a belt pulley 28 on a power shaft 29 of an electric motor 30, its base 3| being stationary and adjustably fastened to the section II in any suitable manner. Suitable guides are provided for the belt 21 and one of these guides being indicated at 32 on the section H. The motor 30 carries a hand gri '33 so that an operator can grasp this grip as well as the handle 2| in the manipulation of the plane for the planing operation thereof.

The sections 10 and II at the diagonal line I! are slidably inter-fitted through the medium of a tongue and groove joint, the tongues being indicated at 34 while the grooves are indicated at 35 in the respective sections l0 and l l.

Built inthe section II at the joint between it and the section III is a depth adapter screw 36 carrying a hand actuated adjusting nut 31 exposed upwardly of the frame or block, and this screw 38 is held in a bearing 38 constituted in the section I0 so that by hand actuation of the nut 31 the sections 10 and i i can be moved relative to each other for depth cutting adjustment of the plane.

Forwardly of the bearing 38 and fitted therein is a stud bolt 39 it being horizontally disposed and has screw fitted thereon a follower 40 actuated by an adjusting nut 4|. This follower is operative upon a trigger 42 pivoted at 43 and fulcrumed at lid in a bearing 45 for the screw 36 so that on adjustment of the nut M proper adjustment is attainable between the sections it and ii of the plane.

It will be apparent that the rotor M is driven directly from the motor 30 and thus on rotation of the blades 23 cutting operation of the plane for plane activity thereof is assured. The plane is guided and directed by the grip 33 and handle 2| when engaged by the hands of the user of the plane,

The nut M assures accurate setting for depth adjustment of the plane while the nut 3'! enables the secure setting of such adjustment to avoid any displacement of the sections it and ii with respect to each other when the plane is in operation.

aseaaee What I claim is:

In a plane a two part planing block each having a bottom and two opposite side walls, an inclined tongue and groove joint fitting between the parts thereof immediately forwardly oi a substantially circular shaped rotor space transversely disposed in one of said parts, means for adjusting one of the parts relative to the other for depth adjustment of the block, means for locking such adjusting means against activity, a power driven cutter rotor fitting in said rotor space in one of the parts of the block, said cutter rotor having its bearings in removable hanger plates, which are fixed in slots provided on opposite side walls of said one part of the block, a motor for driving the cutter rotor situated to the rear of said rotor space, a belt on one side of the block connecting the motor with the rotor, guides for said belt on said block, a curved bridge member secured to the upper ends of said hanger plates, a handle on said plates, parallel with and immediately above said bridge member, a grip on said motor, and radially disposed cutting blades included in said cutter rotor and adjustably associated therewith.

CLARENCE E. GOODRIDGE.

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