US201284A - Improvement in chisels - Google Patents

Improvement in chisels Download PDF

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Publication number
US201284A
US201284A US201284DA US201284A US 201284 A US201284 A US 201284A US 201284D A US201284D A US 201284DA US 201284 A US201284 A US 201284A
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Prior art keywords
chisel
chisels
improvement
mortising
mortisingchisel
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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

  • the tool is illustrated more in detail in plan view, Fig. 2.
  • the mortising-chisel is constructed. in the usual form, except being in wedge shape, and the upper extremity having a shoulder, from which it is in pin form, for the purpose of entering a socket, so that the tool is adjustable to the machine or power, and is marked B.
  • the countersink-chisel A is a plain bit-,- of the required width for the countersink to the mortise, and is fastened by screws to the back of the slotted body, which slot or groove is adapted to the width of the mortising-chisel B, which slotted body has grooves on each side, at right angles to the vertical groove carrying the mortisingchisel, in which a shoulder clevis or clamp is carried, (marked a a.)
  • the clevis orclamp where in place on the body, carrying the countersinkchisel,forms an open space, suitable to go onto the mortising-chisel, which is wedged-shaped on its face, and tightens as its shoulders run up the incline plane face of the mortisingchisel.
  • b b b are set-screws for the purpose of adjusting the countersinking-chisel to the mortising-chisel B, and determine the required OSCAR J. PENNELL.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Heat Treatment Of Articles (AREA)

Description

0. J. PENNELL.
Chisels.
' No. 201,284. Patented March 12, I878.
UNITED STATES PATENT OFFICE.
OSCAR J. PENNELL, OF WILLIAMSPORT, PENNSYLVANIA.
IMPROVEMENT IN CHISELS.
Specification forming part of Letters Patent No. 201,284, dated March 12, 1878; application filed June 29, 1877. v e
, bar or bed-plate for pulleys for window-frames,
by the combination, in a mortising-machine,
' of a plane chisel blade or hit, of any required width, for the countersink A and body or attachments a a, for carrying the mortisingchisel B, as shown in the perspective view, Figure 1.
The tool is illustrated more in detail in plan view, Fig. 2. The mortising-chisel is constructed. in the usual form, except being in wedge shape, and the upper extremity having a shoulder, from which it is in pin form, for the purpose of entering a socket, so that the tool is adjustable to the machine or power, and is marked B. The countersink-chisel A is a plain bit-,- of the required width for the countersink to the mortise, and is fastened by screws to the back of the slotted body, which slot or groove is adapted to the width of the mortising-chisel B, which slotted body has grooves on each side, at right angles to the vertical groove carrying the mortisingchisel, in which a shoulder clevis or clamp is carried, (marked a a.) The clevis orclamp, where in place on the body, carrying the countersinkchisel,forms an open space, suitable to go onto the mortising-chisel, which is wedged-shaped on its face, and tightens as its shoulders run up the incline plane face of the mortisingchisel.
b b b are set-screws for the purpose of adjusting the countersinking-chisel to the mortising-chisel B, and determine the required OSCAR J. PENNELL.
Witnesses:
JAS. M. Woon, C. 1?. 001mm.
US201284D Improvement in chisels Expired - Lifetime US201284A (en)

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US201284A true US201284A (en) 1878-03-12

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