US1158048A - Sharpening device. - Google Patents

Sharpening device. Download PDF

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Publication number
US1158048A
US1158048A US87740114A US1914877401A US1158048A US 1158048 A US1158048 A US 1158048A US 87740114 A US87740114 A US 87740114A US 1914877401 A US1914877401 A US 1914877401A US 1158048 A US1158048 A US 1158048A
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Prior art keywords
sharpening
steel
hone
guide
sharpening member
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Expired - Lifetime
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US87740114A
Inventor
Moses L Hawks
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Moses L Hawks
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D15/00Hand tools or other devices for non-rotary grinding, polishing, or stropping
    • B24D15/06Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges
    • B24D15/08Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors

Description

M. L. HAWKS.
SHARPENING DEVICE.
APPLICATION FILED DE(;.15.1914.
Patented Oct. 26
fm/enlor.
Z Ltn eases MOSES L. HAWKS, OF NEW YORK, N. Y.
SHARPENING DEVICE.
LilSSJd ftd.
Specification of Eetters Patent.
Patented Get. 26, 1915.
Application filed December 15, 1914. Serial No. 877,401.
T 0 (ZZZ (17mm it may concern:
Be it known that I, Mosns L. l-l nwns, a citizen of the United States, residing at New York city, in the county of New York and State of New York, have invented a new and useful Improvement in Sharpening Devices, of which the following is a specification.
This invention relates to sharpening de vices for knives, scissors and other similar implements requiring a sharp cutting edge, the principal object of which is to provide a simple and efficient device for the cutting down and reducing the knife to a thin edge and which is especially adapted to be at tached to the shank portion of a hone, a steel or other similar implement such as are in general use, and which will enhance the value and usefulness of such articles. I attain these objects by the mechanism illustrated in the accompanying drawings in which:
Figure l, is a plan view of my improved sharpener showing the preferred form. Fig. 2, is a longitudinal half section of Fig. 1. Fig. 3, shows a transverse sectional View taken along the line cc-w of Fig. 2, looking in the direction of the arrows; Fig. 4:, is a side view of the guide blanks prior to their being struck up in the desired form and Fig. 5, is a side view of the sharpening member showing the cutting teeth extending around its marginal circumference.
Similar numerals refer to similar parts throughout the several views.
In the construction the handle, 1, is provided with a longitudinal socket in one end which is adapted to receive the shank, 3, of the hone or steel 2. Preferably this shank is iron or steel and is threaded like a screw, the sharpening member 4%, and the two guide members 5, are mounted on the shank of the hone or steel with the sharpening member between the two guide bearing members, all of which are then firmly secured in place between the ends of the handle 1, and the hone or steel 2, as shown in Figs. 1 and 2 of the drawings, and which is accomplished either by screwing or driving the shank into the handle until all of the parts are thus secured in close contact, one with the others.
In the arrangement of the parts it will be seen that the flaring portions of the two guide bearing members are turned outward from the sides of the sharpening member and that at least one of the short radial projections of the guide bearing member is bent outward and downward at a more obtuse angle than the others shown at 7, Figs. 1, 2 and 3, and which forms a guide that is especially adapted to sharpening scissors or shears and which will insure a cor ect beveledge on theshear blades which is easily accomplished by holding the flat side of the blade on the obtuse angular bearing 7, and drawing the shear from heel to point across the cutting teeth of the side of the sharpening member.
Knives are speedily sharpened by holding the blade between any of the more acute angular bearings of the guide members and the sharpening member and in contact with the cutting teeth of the sharpening member, drawing the knife from heel to point first on one side of the sharpening member then on the other, the effect being to speedily cut away the steel from the sides of the knife blade and thus reduce the same to a thin edge and in condition to be edged on the fine surface of the hone or steel and thus impart to the knife a very sharp keen cutting-edge. If a very thin edge is required one or more of the short radial projections of the guide members on each side of the sharpening member may be bent in toward the sharpening member to form a more acute angle bearing shown at 8, Fig. 2, which will insure the desired result.
In the construction of my improved sharpener it will be seen that the guide bearing member on the side next to the hone or steel also serves as a guard in preventing the knife from coming in contact with the hand in the sharpening operation and that a special guard or shield such as are generally used for the purpose and the expense therefore is thus obviated. The short radial projections 5, extend slightly beyond the periphery of the sharpening member and serve to prevent the sharpener from rolling and falling from a table or other slightly inclined surface.
iVhen the sharpening member becomes worn by long continued use it may be easily replaced and at a trifling expense by simply unscrewing the handle from the hone or steel and substituting a new one and connecting the parts as before, no further adjust ment being necessary.
From the above description it will be apparent that I have provided a simple, inexpensive and very efficient sharpener that is easily constructed, easily operated and not liable to get out of order.
What I claim as my invention and desire to secure by Letters Patent is;
,1. A sharpening device consisting of a centrally perforated member having radial cutting teeth on its sides, and two guide bearing members also centrally perforated and ting teeth on its sides, and two guide bearing members also centrally perforated and having a series of short radial projections bent outward from the sharpening member at different angles to form suitable guide bearings for the different instruments to be sharpened, said sharpening device being mounted on the shank portion or tang of a hone, a steel or other similar implement having a handle provided with a longitudinal socket adapted to receive the said shank or tang, and adjusted and secured in place be tween the hone or steel and its handle, as shown and described.
MOSES L. HAJVKS. Witnesses lV. T. Ln'rr, RAGAN C. JOYCE.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.
Washington, D. G.
US87740114A 1914-12-15 1914-12-15 Sharpening device. Expired - Lifetime US1158048A (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2896482A (en) * 1958-04-18 1959-07-28 Hyde Thomas Edward Sharpeners for knives and cutting implements
US4090418A (en) * 1976-02-28 1978-05-23 Shigeyoshi Ishida Device for reforming and grinding the blade of a knife to be sharpened
US4094106A (en) * 1976-10-08 1978-06-13 Southern Saw Service, Inc. Honing device
US4197677A (en) * 1978-04-17 1980-04-15 Louis N. Graves Co., Inc. Blade sharpener
US5431070A (en) * 1994-06-06 1995-07-11 Thames; Charles L. Adjustable knife blade guide
US6048262A (en) * 1999-02-23 2000-04-11 Ray; Ralph Honing device for culinary knives
US6371841B1 (en) 1999-02-23 2002-04-16 Ralph Ray Knife maintenance apparatus having two distinct maintenance surfaces
US20060141916A1 (en) * 2004-10-22 2006-06-29 Gb Ii Corporation, Dba Columbia River Knife & Tool Knife sharpener
US20090117838A1 (en) * 2007-11-01 2009-05-07 Po-Yuan Huang Precision ceramic whetstone
US20090181602A1 (en) * 2003-03-27 2009-07-16 Friel Sr Daniel D Apparatus for precision steeling/conditioning of knife edges
US20090183601A1 (en) * 2008-01-17 2009-07-23 Cheng-Hsien Shen Knife sharpening bar
US8790162B1 (en) 2013-09-13 2014-07-29 Darex Llc Sharpening a cutting edge of a tool using a reverse sharpening guide
WO2016168495A1 (en) * 2015-04-14 2016-10-20 Darex, Llc Cutting edge with microscopically sized channels to enhance cutting performance

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2896482A (en) * 1958-04-18 1959-07-28 Hyde Thomas Edward Sharpeners for knives and cutting implements
US4090418A (en) * 1976-02-28 1978-05-23 Shigeyoshi Ishida Device for reforming and grinding the blade of a knife to be sharpened
US4094106A (en) * 1976-10-08 1978-06-13 Southern Saw Service, Inc. Honing device
US4197677A (en) * 1978-04-17 1980-04-15 Louis N. Graves Co., Inc. Blade sharpener
US5431070A (en) * 1994-06-06 1995-07-11 Thames; Charles L. Adjustable knife blade guide
US6048262A (en) * 1999-02-23 2000-04-11 Ray; Ralph Honing device for culinary knives
US6371841B1 (en) 1999-02-23 2002-04-16 Ralph Ray Knife maintenance apparatus having two distinct maintenance surfaces
US20090181602A1 (en) * 2003-03-27 2009-07-16 Friel Sr Daniel D Apparatus for precision steeling/conditioning of knife edges
US8267750B2 (en) 2003-03-27 2012-09-18 Edgecraft Corporation Apparatus for precision steeling/conditioning of knife edges
US8430720B2 (en) 2003-03-27 2013-04-30 Edgecraft Corporation Apparatus for precision steeling/conditioning of knife edges
US7467991B2 (en) * 2004-10-22 2008-12-23 Gb Ii Corporation Knife sharpener
US20060141916A1 (en) * 2004-10-22 2006-06-29 Gb Ii Corporation, Dba Columbia River Knife & Tool Knife sharpener
US20090117838A1 (en) * 2007-11-01 2009-05-07 Po-Yuan Huang Precision ceramic whetstone
US7713112B2 (en) * 2007-11-01 2010-05-11 Po-Yuan Huang Precision ceramic whetstone
US20090183601A1 (en) * 2008-01-17 2009-07-23 Cheng-Hsien Shen Knife sharpening bar
US7887397B2 (en) * 2008-01-17 2011-02-15 Cheng-Hsien Shen Knife sharpening bar
US8790162B1 (en) 2013-09-13 2014-07-29 Darex Llc Sharpening a cutting edge of a tool using a reverse sharpening guide
US9623533B2 (en) 2013-09-13 2017-04-18 Darex, Llc Sharpening a cutting edge of a tool using a reverse sharpening guide
WO2016168495A1 (en) * 2015-04-14 2016-10-20 Darex, Llc Cutting edge with microscopically sized channels to enhance cutting performance
US9975260B2 (en) 2015-04-14 2018-05-22 Darex, Llc Cutting edge with microscopically sized channels to enhance cutting performance

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