US473791A - Punch - Google Patents

Punch Download PDF

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Publication number
US473791A
US473791A US473791DA US473791A US 473791 A US473791 A US 473791A US 473791D A US473791D A US 473791DA US 473791 A US473791 A US 473791A
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US
United States
Prior art keywords
punch
bore
face
screw
threaded
Prior art date
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Expired - Lifetime
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • 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
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9411—Cutting couple type
    • Y10T83/9423—Punching tool
    • Y10T83/9428—Shear-type male tool
    • 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
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9457—Joint or connection
    • Y10T83/9473—For rectilinearly reciprocating tool
    • Y10T83/9476—Tool is single element with continuous cutting edge [e.g., punch, etc.]

Definitions

  • FRANCIS N SIMMONDS, OF SAN FRANCISCO, CALIFORNIA.
  • My invention relates to improvements in the construction of punches such as are used on metal Work and for punching holes in articles generally; and its object is to produce a punch which may be cheaply made, which will operate efficiently, and" the penetrating portion of which can be cheaply and easily renewed after it is worn out.
  • a punch consisting in a body 10, provided with a longitudinal bore, the upper end of which is enlarged, as at 11, a face 14, having a screw-threaded bore, and a screw 12, hav ing an operating-head at its upper end and a screw-threaded lower end terminating in a centering-point 15, the screw being passed down through the two bores, with its threaded end engaging the threaded bore of the face and its point projecting beyond the lower side of the face 14, substantially as set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Description

(No Model.)
F. N. SIMMONDS.
PUNCH.
No. 473,791. Patented Apr. 26, 1892.
A twwmwm WITNESSES INVENTOH A TTOHNE Y8.
UNITED STATES PATENT OFFICE,
FRANCIS N. SIMMONDS, OF SAN FRANCISCO, CALIFORNIA.
PUNCH.
SPECIFICATION forming part of Letters Patent No. 473,791, dated April 26, 1892. Application filed December 1,1891. SerialNo. 413,682. (No model.)
To all whom it may concern.-
Be it known that I, FRANCIS N. SIMMoNDs, of San Francisco, in the county of San Francisco and State of California, have invented a new and Improved Punch, of which the following is a full, clear, and exact description.
My invention relates to improvements in the construction of punches such as are used on metal Work and for punching holes in articles generally; and its object is to produce a punch which may be cheaply made, which will operate efficiently, and" the penetrating portion of which can be cheaply and easily renewed after it is worn out.
To this end my invention consists in apunch the construction of which will be hereinafter described and claimed.
Reference is to be had to the accompanying drawing, forming a part of this specification, in which my improved punch is shown in central vertical section.
is the longitudinally-bored body of the punch, the upper end of the bore being enlarged, as at 11. p
14 is the removable face of the punch, which has a screw-threaded bore aligning the bore of the body 10. A bolt 12, having an operating-head at its upper end, is passed down through the bores of the body 10 and face 14 until its head rests on the shoulder formed at the base of the enlargement 11, the lower end of the bolt being threaded, as shown at 13,to engage the threads of the bore of the face 14. The lower extremity of the bolt is formed into a hardened centering-point 15. The several parts are by this construction firmly united and there is no liability of the face 14 getting loose upon the bolt, as it might if its bore and the exterior of the screw were plain or nonthreaded.
Having thus described my invention, what I claim, and desire to secure by Letters Patent, is
A punch consisting in a body 10, provided with a longitudinal bore, the upper end of which is enlarged, as at 11, a face 14, having a screw-threaded bore, and a screw 12, hav ing an operating-head at its upper end and a screw-threaded lower end terminating in a centering-point 15, the screw being passed down through the two bores, with its threaded end engaging the threaded bore of the face and its point projecting beyond the lower side of the face 14, substantially as set forth.
FRANCIS N. SIMMONDS. Witnesses:
JOHN P. POOLE, WILLIAM S. WEBSTER.
US473791D Punch Expired - Lifetime US473791A (en)

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US473791A true US473791A (en) 1892-04-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2537867A (en) * 1945-10-10 1951-01-09 Reynolds Metals Co Apparatus for piercing metallic billets
US2593506A (en) * 1944-07-19 1952-04-22 George F Wales Method and apparatus for punching materials with screws and lodging same therein

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593506A (en) * 1944-07-19 1952-04-22 George F Wales Method and apparatus for punching materials with screws and lodging same therein
US2537867A (en) * 1945-10-10 1951-01-09 Reynolds Metals Co Apparatus for piercing metallic billets

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