US1211219A - Tool-retainer for percussive tools. - Google Patents

Tool-retainer for percussive tools. Download PDF

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Publication number
US1211219A
US1211219A US80699913A US1913806999A US1211219A US 1211219 A US1211219 A US 1211219A US 80699913 A US80699913 A US 80699913A US 1913806999 A US1913806999 A US 1913806999A US 1211219 A US1211219 A US 1211219A
Authority
US
United States
Prior art keywords
spring
tool
retainer
barrel
percussive tools
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
Application number
US80699913A
Inventor
Caid H Peck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ingersoll Rand Co filed Critical Ingersoll Rand Co
Priority to US80699913A priority Critical patent/US1211219A/en
Application granted granted Critical
Publication of US1211219A publication Critical patent/US1211219A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • 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
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17042—Lost motion
    • Y10T279/17094—Sleeve type retainer

Definitions

  • percussive tools has for its object the provision of a simple and efficient retainer for tools of all descriptions, particularly rivet sets.
  • the rivet set In the drawing is shown the front end 1 of the cylinder or barrel of a pneumatic riveter, in the bore of which slides the shank 2 of a rivet set 3.
  • a coiled spring 4 Encircling the forward end of the barrel 1 is a coiled spring 4 the rear end of which is secured to the barrel in the present case by being screwed on to large threads 5 on the barrel.
  • the forward end of the spring 4 projects beyond the barrel l and the extreme forward end 6 is re-' Jerusalem in diameter.
  • the neck 7 of the rivet set is provided with a projecting portion here shown as a short thread 8 which is screwed through the smaller diameter portion 6 of the springA and is free to move inside of the larger portion of the spring.
  • This thread or projecting portion is of such a width that when threaded into operative position it does not take up the Whole of the space between the forward edge of the barrel 1 and the inner side of the small diameter portion of the spring 4.
  • a rivet set having any size of head can be used, as the threaded portion 8 and the neck 7 can be kept a standard size, while by reason of the fact that the thread 8 is screwed entirely through the smaller diameter portion 6 of the spring and has some can move forward slightly as it does in normal work without the thread engaging the spring at all. If however the tool is operated when the set is not against the work the threaded portion will strike against the spring and prevent the set flying out,the force of the blow being taken up by the stretching of the spring. i
  • any means for securing the spring to the tool barrel may be used and any sort of projection on the rivet set neck or on other forms of tools may be used which can be forced or threaded through the smaller portion of the spring and that the present case only shows a certain specified modification of my invention and other forms and modifications are included in the spirit; and scope of the invention as expressed in the claims.
  • Vhat I claim is:
  • said projection being of such a width that it forward portion of smaller diameter projecting beyond said barrel, and a threaded portion on said tool adapted to be screwed through said smaller diameter spring portion to a free position inside of saidspring, said threaded portion being of such width that it has free longitudinal movement for a distance within said spring sufficient to prevent said spring from interfering with the normal operation of said tool.

Description

v c; H. PECK. TOOL RETAINER FOR PERCUSSIVE TOOLS.
APPLICATION FILED DEC. 16, I913- Patepted Jan. 2, 19-17.
] wue who z STA s PA CAID H. IPECK, OF WAVERLY, NEW YORK, ASSIGNOR TO INGERSOLL-RAND COMPANY, OF JERSEY CITY, NEW JERSEY, A CORPORATION OF NEW JERSEY.
TOOL-RETAINER FOR PERCUSSIVE TOOLS.-
Specification of Letters Patent.
Patented Jan. 2, 1917.
Application filed December 16, 1913. Serial N6. 806,999.
percussive tools and has for its object the provision of a simple and efficient retainer for tools of all descriptions, particularly rivet sets.
spring partly broken away.
' free movement longitudinally, the rivet set In the drawing is shown the front end 1 of the cylinder or barrel of a pneumatic riveter, in the bore of which slides the shank 2 of a rivet set 3. Encircling the forward end of the barrel 1 is a coiled spring 4 the rear end of which is secured to the barrel in the present case by being screwed on to large threads 5 on the barrel. The forward end of the spring 4 projects beyond the barrel l and the extreme forward end 6 is re-' duced in diameter. The neck 7 of the rivet set is provided with a projecting portion here shown as a short thread 8 which is screwed through the smaller diameter portion 6 of the springA and is free to move inside of the larger portion of the spring. This thread or projecting portion is of such a width that when threaded into operative position it does not take up the Whole of the space between the forward edge of the barrel 1 and the inner side of the small diameter portion of the spring 4. By this method of fastening, a rivet set having any size of head can be used, as the threaded portion 8 and the neck 7 can be kept a standard size, while by reason of the fact that the thread 8 is screwed entirely through the smaller diameter portion 6 of the spring and has some can move forward slightly as it does in normal work without the thread engaging the spring at all. If however the tool is operated when the set is not against the work the threaded portion will strike against the spring and prevent the set flying out,the force of the blow being taken up by the stretching of the spring. i
It is to be understood that any means for securing the spring to the tool barrel may be used and any sort of projection on the rivet set neck or on other forms of tools may be used which can be forced or threaded through the smaller portion of the spring and that the present case only shows a certain specified modification of my invention and other forms and modifications are included in the spirit; and scope of the invention as expressed in the claims.
Vhat I claim is:
1. In combination with a percussive tool barrel having a forward end and a tool having a shank sliding in said forward end, a coiled spring encircling said forward end and secured thereto, said spring having a forward portionof smaller diameter, and a projection on said tool adapted to be forced through said smaller diameter spring portion to a free position inside of said spring,
said projection being of such a width that it forward portion of smaller diameter projecting beyond said barrel, and a threaded portion on said tool adapted to be screwed through said smaller diameter spring portion to a free position inside of saidspring, said threaded portion being of such width that it has free longitudinal movement for a distance within said spring sufficient to prevent said spring from interfering with the normal operation of said tool.
In testimony whereof, I have hereunto set my hand.
CAID H. PECK.
. Witnesses:
WALTER S. PECK, E. L. J OHNRON'
US80699913A 1913-12-16 1913-12-16 Tool-retainer for percussive tools. Expired - Lifetime US1211219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US80699913A US1211219A (en) 1913-12-16 1913-12-16 Tool-retainer for percussive tools.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80699913A US1211219A (en) 1913-12-16 1913-12-16 Tool-retainer for percussive tools.

Publications (1)

Publication Number Publication Date
US1211219A true US1211219A (en) 1917-01-02

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Family Applications (1)

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US80699913A Expired - Lifetime US1211219A (en) 1913-12-16 1913-12-16 Tool-retainer for percussive tools.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445551A (en) * 1944-11-24 1948-07-20 Arthur W Barry Rivet set retainer spring
US2546114A (en) * 1944-08-28 1951-03-20 Triplett & Barton Inc Pneumatic die stamping machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546114A (en) * 1944-08-28 1951-03-20 Triplett & Barton Inc Pneumatic die stamping machine
US2445551A (en) * 1944-11-24 1948-07-20 Arthur W Barry Rivet set retainer spring

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