US628455A - Shield for percussive tools. - Google Patents

Shield for percussive tools. Download PDF

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Publication number
US628455A
US628455A US68734798A US1898687347A US628455A US 628455 A US628455 A US 628455A US 68734798 A US68734798 A US 68734798A US 1898687347 A US1898687347 A US 1898687347A US 628455 A US628455 A US 628455A
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Prior art keywords
shield
tool
percussive tools
tools
percussive
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Expired - Lifetime
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US68734798A
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Walter French
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B33/00—Hand tools not covered by any other group in this subclass

Definitions

  • My invention relates to shields for percussive tools; and my object is to provide a means for not only preventing the transmission of annoying lateral vibrations to the fingers of the hand in the use of such tools, but also to prevent the hammer from slipping off of the head of the tool when struck at an angle to the longitudinal center thereof, as is described hereinafter and illustrated in the accompanying drawings, in which Figure 1 is an elevation of a percussive tool which may be used for a nail-set and which is providedwith ashield in which is embodied my invention.
  • Figure 1 is an elevation of a percussive tool which may be used for a nail-set and which is providedwith ashield in which is embodied my invention.
  • FIG. 2 is an elevation of the tool, with the shield thereon broken away at one side to illustrate simple means for holding the shield in position and also shows the projection of the shield beyond the end of the tool, wherebyit may be contacted by the hammer before the latter contacts the end of the tool.
  • Fig. 3 is a side elevation of a hammer and a portion of the handle thereof and of the top end portion of a tool, with a portion of the shield in section and in the compressed condition it will assume at the instant when the hammer contacts the top of the tool in delivering a blow.
  • the body of the tool as shown in this instance is roughened on the surface by crosshatch'ing and in addition is provided with peripheral grooves A and A
  • the shield Bis preferably made of some elastic material-such as rubber or rubber in combination Withasuitable amount of fibrous or inelastic material which may add to its durabilityand is molded to form a tube having interior projecting annular collars (indicated at B and B which are adapted to fit into grooves A and A which, together withthe cross-hatching, are adapted to pre-' vent the longitudinal movement of the shield on the tool by the ordinary action of the ham mer, with the exception of a portion of the top thereof.
  • the shield of almost pure rubber, so that it may not only elfectually preven t the transmission of the rapid stinging vibrations to the fingers incident to the use of percussive tools, but such material is adapted to being easily removed when it is necessary to heat or repair a tool and be replaced without injury.
  • the cushioned blow caused by the projection of the shield serves not only to prevent the hammer slipping, but also prevents the transmission of any very great amount of the hammer vibrations to the tool, as may be easily shown in practice where tools are provided with or Without the cushion projection.
  • I claim as my invention- A shield for percussive tools consisting of a flexible elastic covering at the sides thereof, and held in position by internal projections adapted to fit into corresponding depressions in the tool, both ends of the tool exposed and the cover projecting beyond one of the ends thereof, and serving in the manner and for the purpose substantially as hereinbefore shown and described.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)

Description

No. 628,455. Patented luly H, I899. W. FRENCH.
SHIELD FOR PERCUSSIVE TOOLS.
(Application filed July 30, 1898.)
No Model.)
W/TNESSES: A /NVENTOH I b By 6 ATTORNEY.
m: mam vzrsns co Pumuumu, WASNINGTON. u. c.
UNITED STATES PATENT OF ICE.
WVALTER FRENCH, OF CHICAGO, ILLINOIS.
SHIELD FOR PERCUSSIVE TOOLS.
SPECIFICATION forming part of Letters la'cent No. 628,455, dated July 11, 1899.
Application filed July 30, 1898. Serial No. 687 347. (No model.)
To all whom it may concern.-
Be it known that I, WALTER FRENCH, a subject of the Queen of Great Britain, residing at Chicago, in the county of Cook and State of Illinois, have invented a new and useful Shield for Percussive Tools, of which the following is a specification.
My invention relates to shields for percussive tools; and my object is to provide a means for not only preventing the transmission of annoying lateral vibrations to the fingers of the hand in the use of such tools, but also to prevent the hammer from slipping off of the head of the tool when struck at an angle to the longitudinal center thereof, as is described hereinafter and illustrated in the accompanying drawings, in which Figure 1 is an elevation of a percussive tool which may be used for a nail-set and which is providedwith ashield in which is embodied my invention. Fig. 2 is an elevation of the tool, with the shield thereon broken away at one side to illustrate simple means for holding the shield in position and also shows the projection of the shield beyond the end of the tool, wherebyit may be contacted by the hammer before the latter contacts the end of the tool. Fig. 3 is a side elevation of a hammer and a portion of the handle thereof and of the top end portion of a tool, with a portion of the shield in section and in the compressed condition it will assume at the instant when the hammer contacts the top of the tool in delivering a blow.
Similar letters indicate like parts throughout the several views.
The body of the tool as shown in this instance is roughened on the surface by crosshatch'ing and in addition is provided with peripheral grooves A and A The shield Bis preferably made of some elastic material-such as rubber or rubber in combination Withasuitable amount of fibrous or inelastic material which may add to its durabilityand is molded to form a tube having interior projecting annular collars (indicated at B and B which are adapted to fit into grooves A and A which, together withthe cross-hatching, are adapted to pre-' vent the longitudinal movement of the shield on the tool by the ordinary action of the ham mer, with the exception of a portion of the top thereof. A top end portion B of the shield projects beyond the end of the tool for the purpose of holding the face of the ham= mer by frictional contact in position to strike an angular blow on the end of the tool without slipping therefrom.
It is obvious that many other methods may 'be adopted to fasten the shield to the tool than the one hereinbefore described.
I prefer to make the shield of almost pure rubber, so that it may not only elfectually preven t the transmission of the rapid stinging vibrations to the fingers incident to the use of percussive tools, but such material is adapted to being easily removed when it is necessary to heat or repair a tool and be replaced without injury. The cushioned blow caused by the projection of the shield serves not only to prevent the hammer slipping, but also prevents the transmission of any very great amount of the hammer vibrations to the tool, as may be easily shown in practice where tools are provided with or Without the cushion projection.
I claim as my invention- A shield for percussive tools consisting of a flexible elastic covering at the sides thereof, and held in position by internal projections adapted to fit into corresponding depressions in the tool, both ends of the tool exposed and the cover projecting beyond one of the ends thereof, and serving in the manner and for the purpose substantially as hereinbefore shown and described.
In testimony that I claim the foregoing I have hereunto set my hand this 23d day of July, 1898.
OSCAR SNELL, WARREN P. CURRY.
US68734798A 1898-07-30 1898-07-30 Shield for percussive tools. Expired - Lifetime US628455A (en)

Priority Applications (1)

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US68734798A US628455A (en) 1898-07-30 1898-07-30 Shield for percussive tools.

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US68734798A US628455A (en) 1898-07-30 1898-07-30 Shield for percussive tools.

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US628455A true US628455A (en) 1899-07-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985209A (en) * 1959-07-01 1961-05-23 Novelo John Tool handle
US6076431A (en) * 1997-02-04 2000-06-20 Maxtech, Inc. Striking tools with deflector grips
US6158527A (en) * 1994-08-09 2000-12-12 Tamrock Oy Tool of a breaking apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985209A (en) * 1959-07-01 1961-05-23 Novelo John Tool handle
US6158527A (en) * 1994-08-09 2000-12-12 Tamrock Oy Tool of a breaking apparatus
US6076431A (en) * 1997-02-04 2000-06-20 Maxtech, Inc. Striking tools with deflector grips

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