US814850A - Tool for digging holes. - Google Patents

Tool for digging holes. Download PDF

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Publication number
US814850A
US814850A US29312805A US1905293128A US814850A US 814850 A US814850 A US 814850A US 29312805 A US29312805 A US 29312805A US 1905293128 A US1905293128 A US 1905293128A US 814850 A US814850 A US 814850A
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United States
Prior art keywords
tool
digging holes
blade
earth
point
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US29312805A
Inventor
Ira D Kemmerer
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Individual
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Individual
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Priority to US29312805A priority Critical patent/US814850A/en
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Publication of US814850A publication Critical patent/US814850A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B1/00—Hand tools
    • A01B1/16—Tools for uprooting weeds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/89—Tool or Tool with support
    • Y10T408/895—Having axial, core-receiving central portion
    • Y10T408/8953—Having axial, core-receiving central portion with lateral outlet

Definitions

  • Figure 1 is a perspective view of the tool I employ, showing it in position to be thrust into the earth; Fig; 2, a vertical longitudinal section showing the tool thrust into the earth and the core partly formed; Fig. 3, a similar view showing the tool after it has been rotated at least once to'complete the formation of the core; Fig. 4, a detailed transverse section of the tool, and Fig. 5 a vertical section showing the tool removed with the core adhering to it.
  • the .object of my invention is to provide a simple and inexpensive tool for carrying out the method of digging holes for the reception of posts, pipes, vcc., covered by my copendp ing application, serially numbered 277,494.
  • a designates the shank of the tool, b a cross-bar attached to the upper end thereof, and c the blade formed on the lower end of the shank.
  • This blade is approximately crescent-shaped vin cross-section, its longitudinal edges d being sharpened andlying parallel with each other to points e near the lower end ofthe blade, where said sharpened edges are tapered to a point f. It will thus be observed that the cutting edges extend the 'full length of the blade along each edge thereof from the point to the upper termination of the blade.
  • the outer face of the blade is uniformly convex to a point near the lowerl end of the blade, at which point the convex surface roundsv nicely into the point f.
  • the act of forcing the tool into the earth the water follows the edge of the tool and causes the tool to give to the walls of the hole and the Icore even sleek surfaces. It is essential that sufficient water be employed tomake the surface of the core sticky enough to adhere to the concave surface of the tool withsuflicient tenacity topermt the core to be removed with the tool in a single piece, as shown in Fig. 5.
  • a tool for digging holes consisting of a shank provided at one end with means for handling it and at its other end with a blade substantially crescent-shaped in cross-section and having its longitudinaledges parallel and sharpened and its lower or entering end brought to a point, this point having cutting edges which are continuous with the side edges, the back of the tool being convex.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Earth Drilling (AREA)

Description

.6. O 9 1.... 3,. l Ru A M .D E T .N E T A P Rm E R E M M VE K D. T.. .0.. 5 81 4. 1l 8 0I N TooL FOR- DIGGING HOLES I APPLIQATION FILED DBO. 23, 1905.
UNITED 1sTATns PATENT onnicn.
speeieation of Letters patent.
Patented Mel-eh 1s, 190e.
Application lfiled D-ecemberZB, 1905. Serial No. 298,128.
To @ZZ whom it may concern:
' Beit known that I, IRA D. KEMMERER, a citizen of the United States of America, and a resident of Lincoln, county of Lancaster, State of Nebraska,- have invented certain new and useful Improvements in Tools for Digging Holes, of which the following is a full and clear specification, reference being had to the accompanying drawings, in whichl Figure 1 is a perspective view of the tool I employ, showing it in position to be thrust into the earth; Fig; 2, a vertical longitudinal section showing the tool thrust into the earth and the core partly formed; Fig. 3, a similar view showing the tool after it has been rotated at least once to'complete the formation of the core; Fig. 4, a detailed transverse section of the tool, and Fig. 5 a vertical section showing the tool removed with the core adhering to it. l
The .object of my invention is to provide a simple and inexpensive tool for carrying out the method of digging holes for the reception of posts, pipes, vcc., covered by my copendp ing application, serially numbered 277,494.
Referring to the drawings annexed, a designates the shank of the tool, b a cross-bar attached to the upper end thereof, and c the blade formed on the lower end of the shank. This blade is approximately crescent-shaped vin cross-section, its longitudinal edges d being sharpened andlying parallel with each other to points e near the lower end ofthe blade, where said sharpened edges are tapered to a point f. It will thus be observed that the cutting edges extend the 'full length of the blade along each edge thereof from the point to the upper termination of the blade. The outer face of the blade is uniformly convex to a point near the lowerl end of the blade, at which point the convex surface roundsv nicely into the point f.
In carrying out my method with the abovedescribed tool I first scoop out a depression, preferably having the shape of an inverted y cone, inthe earth where the hole .is to be dug Y and pour a vquantity of water therein. Then the tool is forced downward into the soil at the edge of this water-filled hole, as shown in Figs. 1 and 2. In forcing the tool into the earth it is vibrated by means of its cross-bar handle to facilitate its entrance. When the tool has been forced into the earth to the desired depth, it is rotated one or more times,
(preferably one and one-half times,) after whch'operation the core'is formed and may be withdrawn by means of the tool. the act of forcing the tool into the earth the water follows the edge of the tool and causes the tool to give to the walls of the hole and the Icore even sleek surfaces. It is essential that sufficient water be employed tomake the surface of the core sticky enough to adhere to the concave surface of the tool withsuflicient tenacity topermt the core to be removed with the tool in a single piece, as shown in Fig. 5.
It will be observed that by my tool the holes may beformed with great expedition, thev process requiring for the ordinary posthole but a single operation of a few moments duration; In forming the hole I have found it advantageous to have the concave or channel part of the tool face the operator while the tool is being thrust into the earth. Then when it has been forced to the desired depth During the operator rotates it one and a half times or .more, thereby bringing the convex surface of the tool next to the operator.
' What I claim, and desire to secure by Letters Patent, is- A tool for digging holes consisting of a shank provided at one end with means for handling it and at its other end with a blade substantially crescent-shaped in cross-section and having its longitudinaledges parallel and sharpened and its lower or entering end brought to a point, this point having cutting edges which are continuous with the side edges, the back of the tool being convex.
In testimony whereof I hereunto affix my signature, in the presence of two witnesses, this 11th day of December, 1905.
IRA D. KEMMFVRER.
.Witnessesz f JAMES J. BRmGEs, LEw MARSHALL.
US29312805A 1905-12-23 1905-12-23 Tool for digging holes. Expired - Lifetime US814850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29312805A US814850A (en) 1905-12-23 1905-12-23 Tool for digging holes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29312805A US814850A (en) 1905-12-23 1905-12-23 Tool for digging holes.

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US814850A true US814850A (en) 1906-03-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090296A (en) * 1977-05-23 1978-05-23 Philip Di Piero Cabbage coring tool
US5209534A (en) * 1992-02-18 1993-05-11 Crenshaw Dewey L Take-apart post hole digging tool
USD1019775S1 (en) * 2021-02-26 2024-03-26 Fiskars Finland Oy Ab Weeder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090296A (en) * 1977-05-23 1978-05-23 Philip Di Piero Cabbage coring tool
US5209534A (en) * 1992-02-18 1993-05-11 Crenshaw Dewey L Take-apart post hole digging tool
USD1019775S1 (en) * 2021-02-26 2024-03-26 Fiskars Finland Oy Ab Weeder

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