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US346948A - Chisel - Google Patents

Chisel Download PDF

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Publication number
US346948A
US346948A US346948DA US346948A US 346948 A US346948 A US 346948A US 346948D A US346948D A US 346948DA US 346948 A US346948 A US 346948A
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Prior art keywords
chisel
cutting
edges
gage
casing
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Assigned to BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION, AS COLLATERAL AGENT reassignment BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION, AS COLLATERAL AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SAMSONITE CORPORATION
Assigned to GENERAL ELECTRIC CAPITAL CORPORATION, AS NORTH AMERICAN COLLATERAL AGENT reassignment GENERAL ELECTRIC CAPITAL CORPORATION, AS NORTH AMERICAN COLLATERAL AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SAMSONITE CORPORATION, A DELAWARE CORPORATION
Assigned to MERRILL LYNCH CAPITAL CORPORATION, AS U.S. COLLATERAL AGENT reassignment MERRILL LYNCH CAPITAL CORPORATION, AS U.S. COLLATERAL AGENT SECURITY AGREEMENT Assignors: SAMSONITE CORPORATION
Assigned to SAMSONITE CORPORATION reassignment SAMSONITE CORPORATION RELEASE OF PATENTS Assignors: GENERAL ELECTRIC CAPITAL CORPORATION
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F5/00—Slotted or mortised work
    • B27F5/02—Slotting or mortising machines tools therefor
    • B27F5/12—Slotting or mortising machines tools therefor for making holes designed for taking up fittings, e.g. in frames of doors, windows, furniture

Definitions

  • This invention relates to a chisel for cutting recesses for butts in casings for doors, the object being the construction of a chisel which will greatly facilitate the correct cutting of a recess or mortise in door-casings and like placeswhereitisdesignedto apply butthinges; and the invention consists in the construction as hereinafter described,and fully recited in the claim.
  • A represents the handle of the chisel, B the shank, and C D E three cutting-edges, the two cutting edges C E being at right angles to the cutting-edge D, and shorter in length, said cutting edges being constructed to conform to the outline of one leaf of the butt. Differentsized cuttingedges are constructed for differentsized butts.
  • an adjustable gage-plate To the shank B of the chisel, and parallel with the blade thereof,is secured by means of a screw, C, an adjustable gage-plate, F.
  • This gage-plate is of less width than the distance between the side cutting-edges, C and E, and
  • this gage-plate is made adjustable in the space between said edges by means of the screw H.
  • the end of this gage-plate also projects beyond the plane of the cutting-edges of the chisel.
  • the chisel is used in the following manner: The workman places the chisel with the gage F bearing against the casing, said gage regulating the width of the recess to be cut and holding the cutting-edges para lel with the casing. A blow from a hammer or mallet causes the cutting edges to cut into the casing to such a depth as is necessary to conform to the thickness of the butt to be applied. The cut as made by this operation is shown in Fig. 4. The cutting away of the wood to complete the recess is done with an ordinary chisel in the usual manner.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)

Description

(No Model.)
J. ROBERTS.
GHISEL.
No. 346,948. Patented Aug. 10 1886.
rm/my JAMES ROBERTS, OF NEW HAVEN, CONNECTICUT.
CHISEL.
SPECIFICATION forming part of Letters Patent No. 346,948, dated August 10, 1886.
Application filed March 25, 1886.
To all whom it may concern.-
Beitknown that I, JAMEs ROBERTS, a citizen of the United States, residing at New Haven. in the county of New Haven and State of Connecticut, have invented certain new and useful Improvements in Chisels, of which the follow-. ing is a specification, reference being had therein to the accompanying drawings. in which- Figure 1 is a front view of the chisel; Fig. 2, an end view Fig. 3, a longitudinal section showing the chisel in position for operation on the casing; and Fig. 4,a face view of a portion of the casing, showing the cut.
This invention relates to a chisel for cutting recesses for butts in casings for doors, the object being the construction of a chisel which will greatly facilitate the correct cutting of a recess or mortise in door-casings and like placeswhereitisdesignedto apply butthinges; and the invention consists in the construction as hereinafter described,and fully recited in the claim.
A represents the handle of the chisel, B the shank, and C D E three cutting-edges, the two cutting edges C E being at right angles to the cutting-edge D, and shorter in length, said cutting edges being constructed to conform to the outline of one leaf of the butt. Differentsized cuttingedges are constructed for differentsized butts.
To the shank B of the chisel, and parallel with the blade thereof,is secured by means of a screw, C, an adjustable gage-plate, F. This gage-plate is of less width than the distance between the side cutting-edges, C and E, and
Serial No. 196,524. (No model.)
is made adjustable in the space between said edges by means of the screw H. The end of this gage-plate also projects beyond the plane of the cutting-edges of the chisel.
The chisel is used in the following manner: The workman places the chisel with the gage F bearing against the casing, said gage regulating the width of the recess to be cut and holding the cutting-edges para lel with the casing. A blow from a hammer or mallet causes the cutting edges to cut into the casing to such a depth as is necessary to conform to the thickness of the butt to be applied. The cut as made by this operation is shown in Fig. 4. The cutting away of the wood to complete the recess is done with an ordinary chisel in the usual manner.
Having fully described my invention, what I claim is- The hereindescribed chisel,consisting of the blade having the cutting-edge D and the two side cutting-edges C and E, combined with the gage-plate F, of less width than the distance between the side cutting-edges, secured to the chisel to lie between said side cutting-edges, and means for adjusting said gage-plate to lie in different planes substantially parallel with relation to the blade having cutting-edge D, substantially as and for the purpose set forth. In testimony whereof I affix my signature in presence of two witnesses.
JAMES ROBERTS.
\Vitnesses:
LUKE WHEELooK, GEORGE TERRY.
US346948D Chisel Expired - Lifetime US346948A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718970A (en) * 1984-05-11 1988-01-12 Hydroacoustics Apparatus for stress relief and edge sealing of welded joints in plastic parts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718970A (en) * 1984-05-11 1988-01-12 Hydroacoustics Apparatus for stress relief and edge sealing of welded joints in plastic parts

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