US713021A - Prick-punch and spacing tool. - Google Patents
Prick-punch and spacing tool. Download PDFInfo
- Publication number
- US713021A US713021A US11370002A US1902113700A US713021A US 713021 A US713021 A US 713021A US 11370002 A US11370002 A US 11370002A US 1902113700 A US1902113700 A US 1902113700A US 713021 A US713021 A US 713021A
- Authority
- US
- United States
- Prior art keywords
- punch
- prick
- arm
- spacing
- pin
- Prior art date
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
Definitions
- My improved tool is designed to facilitate laying out work in wood or metals with a prick-punch where a succession of points are to be indented at defined distances along straight or curved lines, the spacing being variable at the will of the operator.
- My invent-ion is embodied in a tool-steel prick-punch properlypointed and tempered, preferably milled along its middle portion and recessed longitudinally on one side nearly to its point, in combinationwithan adjustable spacing-arm secured at its upper end to the punch-body, carrying in a socket at its lower end a reciprocatingspring-actuated guide-pin normally projecting'somewhat beyond the punch-point, and with an adjusting-screw threaded through the punch-body,entering a recess or bearing on a plane surface on the inner face of the arm and provided with a check-nut to lock the screw and set the spacing at the distance desired.
- Figure 1 is a side elevation of my improved tool; Fig. 2, a vertical section through the punch and arm, and Fig. 3 a transverse section thereof on line 3 3 of Fig. 2.
- the punch 14 is of a generally-cylindrical form, tapered in its lower portion and pointed, and is shown roughened intermediately for more convenient holding.
- An elongated recess 15 is formed in one side to receive the spacing-arm 16, whieh is shown as secured at its upper end to the punch by a screw 17.
- the arm 16 has atits lower end an elongated socket, formed to receive a reciprocatingguide-pin l8,and a coiled spring 19,against which the inner end of the guide-pin bears,
- the arm is adjusted to the desired distance from the punchby thethumb-screw 21 engaging threads in'the body of the punch and at tip entering the recess 22 in the adjustable arm, which is sufficiently elastic to yield and keep presed against the screw.
- a checknut 23 may be employed to lock the screw in the desired position.
- the punch 14 formed with a lateral recess 15, the adjustable arm 16 having a terminal socket, the inclosed spring and the guide-pin projecting therefrom, in combina* tion with means for adjusting and fixing the distance between the punch-point and guidepin point, substantially as set forth.
Description
Patented Nov. 4, I902.
L. s. STABRETT. v PRIGK PUNCH AND SPACING TOOL.
(Application filed June so, 1902.)
( No modem m: "bums PEIERS cn- PNOTQUTHO" \VASHINGTQN, n. c.
UNITED STAT -s PATENT OFFICE.
LAROY S. STARRETT, OF-ATHOL, MASSACHUSETTS,ASSIGNOR TO THE L. S. STARRETT COMPANY, A CORPORATION OF MASSACHUSETTS.
PRlCK-PUNCH AND SPACING-TO'OL.
SPECIFICATION forming part of Letters Patent N 0. 713,021, dated November 4, 1 902. Application filed June 30, 1902- Serial No. 113.700. (No model.)
To aZZ whom it may-concern..-
Be it known that I, LAROY S. STARRETT, of Athol, in the county of VVorcest-er and State of Massachusetts, have invented certain new and useful Improvements in Prick-Punch and Spacing Tools, of which the following -is a specification. I
My improved tool is designed to facilitate laying out work in wood or metals with a prick-punch where a succession of points are to be indented at defined distances along straight or curved lines, the spacing being variable at the will of the operator.
My invent-ion is embodied in a tool-steel prick-punch properlypointed and tempered, preferably milled along its middle portion and recessed longitudinally on one side nearly to its point, in combinationwithan adjustable spacing-arm secured at its upper end to the punch-body, carrying in a socket at its lower end a reciprocatingspring-actuated guide-pin normally projecting'somewhat beyond the punch-point, and with an adjusting-screw threaded through the punch-body,entering a recess or bearing on a plane surface on the inner face of the arm and provided with a check-nut to lock the screw and set the spacing at the distance desired.
In the drawings, Figure 1 is a side elevation of my improved tool; Fig. 2, a vertical section through the punch and arm, and Fig. 3 a transverse section thereof on line 3 3 of Fig. 2. I
The punch 14 is of a generally-cylindrical form, tapered in its lower portion and pointed, and is shown roughened intermediately for more convenient holding. An elongated recess 15 is formed in one side to receive the spacing-arm 16, whieh is shown as secured at its upper end to the punch by a screw 17.
The arm 16 has atits lower end an elongated socket, formed to receive a reciprocatingguide-pin l8,and a coiled spring 19,against which the inner end of the guide-pin bears,
whereby it may recede-somewhat into the arm I 16 when a blow is struck upon the head of the punch 14:. A slight longitudinal recess is made along one side of the pin, and a depression 20 in the side wall enters such recess to prevent the pin from dropping out or from being pressed inwardly too far. (See Fig. 2.
The arm is adjusted to the desired distance from the punchby thethumb-screw 21 engaging threads in'the body of the punch and at tip entering the recess 22 in the adjustable arm, which is sufficiently elastic to yield and keep presed against the screw. A checknut 23 may be employed to lock the screw in the desired position.
With this tool when the punch is struck to indent a metal or other plate the guide-pin recedes into its socket without injury, permitting the punch to be held straight over its work, insuring accurate results.
I claim as my invention 7 1. The combination of punch 14, suitably pointed and tempered, with the adjustable arm 16 connected at its upper end to the punch, and the spring-actuated guide-pin projecting from its lower end, substantially as set forth. I 2. The punch 14 and the adjusting screw 21 threaded through it, in combination with the adjustable arm 16 having a terminal socket, and the spring 19 and reciprocating guide-pin held therein, substantially as set forth.
3. The punch 14: formed with a lateral recess 15, the adjustable arm 16 having a terminal socket, the inclosed spring and the guide-pin projecting therefrom, in combina* tion with means for adjusting and fixing the distance between the punch-point and guidepin point, substantially as set forth.
In testimony whereof I have affi ed my signature in presence of two witnesses.
LAROY S. STARRETT.
Witnesses:
ROBERT J. SIMPSON, FRANK E. WING.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11370002A US713021A (en) | 1902-06-30 | 1902-06-30 | Prick-punch and spacing tool. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11370002A US713021A (en) | 1902-06-30 | 1902-06-30 | Prick-punch and spacing tool. |
Publications (1)
Publication Number | Publication Date |
---|---|
US713021A true US713021A (en) | 1902-11-04 |
Family
ID=2781543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11370002A Expired - Lifetime US713021A (en) | 1902-06-30 | 1902-06-30 | Prick-punch and spacing tool. |
Country Status (1)
Country | Link |
---|---|
US (1) | US713021A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2582898A (en) * | 1949-03-07 | 1952-01-15 | Baldwin Nathaniel | Spacing punch |
-
1902
- 1902-06-30 US US11370002A patent/US713021A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2582898A (en) * | 1949-03-07 | 1952-01-15 | Baldwin Nathaniel | Spacing punch |
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