US327164A - William habvey - Google Patents

William habvey Download PDF

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US327164A
US327164A US327164DA US327164A US 327164 A US327164 A US 327164A US 327164D A US327164D A US 327164DA US 327164 A US327164 A US 327164A
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bit
ax
poll
ridges
william
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B23/00Axes; Hatchets

Description

(No Model.)

I W. HARVEY.

AX. No. 327,164. Patent ed Sept. 2-9, 1885.

UNITED STATES PATENT OFFICE.

WILLIAM HARVEY, OF R-EADFIELD, MAINE.

SPECIFICATION forming part of Letters Patent No. 327,164, dated September 29, 1885.

(No model.)

T0 or whom it may concern:

Be it known that I, WILLIAM HARVEY, of Readfield,in the county of Kennebec and State of Maine, have invented a new and useful Improvement in Axes, which improvement is fully set ,forth in the following specification and accompanying drawings, in which- Figure 1 is a side View of an ax made ac cording to my invention. Fig. 2shows in outline the shape of the poll. Fig. 3 is a sectional View through the ax at m. Fig. 4 is an outline of the front of the poll, and Fig. 5 is a sectional View at 3/.

Like letters of referenceindicate like parts.

The objects of my invention are, first, to pro duce an at having a poll or limbing bit to be used in places that would be likely to injure the cuttingbit proper; also, to so improve the cutting bit, by constructing thereon what I term "chip-ridges, that it will combine the cutting qualities of a thin ax, and the chipping qualities of a thick one, and will not grow thick in grinding. To accomplish these re sults, I have upon the cuttingbit proper, A, two or more ridges, e 6, upon each side of the ax. These are readily produced in the process of manufacture by forging, grinding, or 1nill ing, and when finished the ridges (Fig. 3) will be segments of a circle with no sharp corners, the chip-ridges gradually sloping to the bit proper, n n n. The poll is forged and ground thin in the center and brought to a cuttingedge the greater part of itslength,as indicated in Figs. 2 and 5. The corners of the poll, d and d,are left square, but they should be made thin, as indicated, (Fig. 41,) and not left the full thickness of the ax, as ordinarily done. The object of having the poll thin is that it may be ground, if desired, as indicated by the dotted lines z i, Fig. 4. This would add somewhat to the cutting qualities of the poll-bit, and still leave it of such strength that it would not be likely to receive serious injury.

The operation of the cutting-bit with the ridges thereon is this: In striking the ax into wood you do not have the resistance which is offered by a thick bit, but the ax penetrates deeper in the wood,fron1 the fact that the blade having thereon the chip-ridges may be made thinner than it otherwise could be, and these ridges e e operate as wedges when the ax is worked by the handle, and throw the chip. The working of the poll or limbing bit can be readily understood, and its advantages appreciated. It often occurs that wood-chop pers wish to cut roots, dead limbs, and knots, and to strike in doubtful places, likely to dull a thin blade, but having this thick, strong bit the cutting-bit is saved, and if the ax strikes the ground, or even a stone, it would most likely receive the blow on the corner 01, where it would do no injury.

I am aware that axes have been made and patented having a series of grooves or flutes on one or both sides for the purpose of reducing friction, and, as it is claimed, admitting air to obviate atmospheric pressure, and I wish to distinguish my invention from all such.

I do not claim anything like the grooviug or fluting of the ax, but wish to confine my specification and claims to the particular constructi on herein describedviz. theformation on the sides of the cutting-bit of two or more chip-ridges, extending from near the cuttingedge to a point near the eye, and to a poll or limbing bit sharp in the center and thick or blunted at the ends.

Vhat I claim as my invention, and desire to secure by Letters Patent of the United States, is-

1. An ax having a cutting-bit and a poll or limbing bit, the latter sharp in the center and thick or blunt at the ends.

2. An aX having two or more chip-ridges upon each side of the cutting-bit, and a poll or limbing bit sharp in the center and thick or blunt at the ends.

In testimony whereof I have hereunto set my hand in the presence of two witnesses.

\VILLIAM HARVEY.

Vitnesses:

WINFIELD S. OHOATE, J. A. FAIRBANKS.

US327164D William habvey Expired - Lifetime US327164A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6729046B2 (en) 1989-08-30 2004-05-04 Anatomic Research, Inc. Shoe sole structures
US20040250447A1 (en) * 1990-01-24 2004-12-16 Ellis Frampton E. Shoe sole structures using a theoretically ideal stability plane
US20060032086A1 (en) * 1988-09-02 2006-02-16 Ellis Frampton E Iii Shoe sole with rounded inner and outer surfaces
US20080086916A1 (en) * 2004-11-22 2008-04-17 Ellis Frampton E Devices with internal flexibility sipes, including siped chambers for footwear

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060032086A1 (en) * 1988-09-02 2006-02-16 Ellis Frampton E Iii Shoe sole with rounded inner and outer surfaces
US6729046B2 (en) 1989-08-30 2004-05-04 Anatomic Research, Inc. Shoe sole structures
US20040134096A1 (en) * 1989-08-30 2004-07-15 Ellis Frampton E. Shoes sole structures
US20040250447A1 (en) * 1990-01-24 2004-12-16 Ellis Frampton E. Shoe sole structures using a theoretically ideal stability plane
US20080086916A1 (en) * 2004-11-22 2008-04-17 Ellis Frampton E Devices with internal flexibility sipes, including siped chambers for footwear
US8567095B2 (en) 2004-11-22 2013-10-29 Frampton E. Ellis Footwear or orthotic inserts with inner and outer bladders separated by an internal sipe including a media
US9271538B2 (en) 2004-11-22 2016-03-01 Frampton E. Ellis Microprocessor control of magnetorheological liquid in footwear with bladders and internal flexibility sipes

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