US1344549A - Carbon-removing tool - Google Patents

Carbon-removing tool Download PDF

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Publication number
US1344549A
US1344549A US232541A US23254118A US1344549A US 1344549 A US1344549 A US 1344549A US 232541 A US232541 A US 232541A US 23254118 A US23254118 A US 23254118A US 1344549 A US1344549 A US 1344549A
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Prior art keywords
carbon
tool
piston
removing tool
scraping
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Expired - Lifetime
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US232541A
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Harry F Martin
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/04—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines

Definitions

  • This invention relates to carbon removing tools, the object in view being to produce a simple, effective and quickly operable tool for the purpose set forth, the same being adjustable to different sized pistons and being adapted to clean or free the packing ring grooves of the pistons of engines of the internal combustion type in order to leave the proper clearness and provide for the necessaryy freedom of movement of the expansion rings ordinarily contained in the grooves of the piston.
  • Figure l is a plan view of the improved tool.
  • FIG. 2 is a similar view of the tool showing the working relation of the same to a piston.
  • the carbon removing tool comprises two members, the same being formed with arcuate or curvilinear body portions or jaws l and 2, the body portion 2 terminating at its free end in a carbon scraping bit or edge 3 which is preferably shaped to resemble the cutting edge of a chisel, although the particular shape of the cutting edge 3 may be varied in accordance with the desire of the manufacturer.
  • the member 1 is provided with a handle 4 of any suitable length and the member 2 Specification of Letters Patent.
  • the members of the tool are connected together by a detachable pivot 6 and one of the members is provided with a longitudinal series of holes 7 to receive the pivot pin (3, whereby the tool as a whole is adapted to be adjusted for use in connection with the groove of pistons of different diameters.
  • the longer arcnate arm or member 2 lies in the groove and forms a guide for the scraping member or arm 1. Therefore, it is only necessary to revolve the tool around the piston, or, conversely turn the piston within the tool, whereupon the scraping edge 8 loosens and removes all carbon and other foreign matter from the groove in the piston. Only a moment is required to entirely clean all carbon from-the packing ring groove, the operation being repeated in connection with each packing ring groove outer edge of the memthe piston.
  • her 2 is preferably sharp for the purpose of scraping carbon from piston heads and the like.
  • a tool of the class described embodying two arcuate jaws pivotally connected and together exceeding a semicircle, one of said jaws being longer than the other, the shorter jaw having at its extremity an inwardly projecting scraping bit, and the other jaw being provided with a smooth inner face whereby a free rotative and guiding movement is permitted between the tool and the work while the scraping bit is performing its function, and handles extending from said jaws.

Description

H. F. MARTIN.
. CARBON REMOVING TOOL.
APPLICATION FILED MAY 4. 1918.
Patented June 22 1920.
"wlunmum PATENT OFFICE.
HARRY F. MARTIN, OF UTICA, KANSAS.
CARBON-REMOVING TOOL.
Application filed May 4,
To all whom it may concern Be it known that I, HARRY F. MARTIN, a citizen of the United States, residing at Utica, in the county of Ness and State of Kansas, have invented new and useful Improvements in Carbon-Removing Tools, of which the following is a specification.
This invention relates to carbon removing tools, the object in view being to produce a simple, effective and quickly operable tool for the purpose set forth, the same being adjustable to different sized pistons and being adapted to clean or free the packing ring grooves of the pistons of engines of the internal combustion type in order to leave the proper clearness and provide for the necesary freedom of movement of the expansion rings ordinarily contained in the grooves of the piston.
lVith the above and other objects in view, the invention consists in the construction, combination and arrangement of parts, as herein described, illustrates and claimed.
In the acompanying drawing:
Figure l is a plan view of the improved tool.
2 is a similar view of the tool showing the working relation of the same to a piston.
The carbon removing tool comprises two members, the same being formed with arcuate or curvilinear body portions or jaws l and 2, the body portion 2 terminating at its free end in a carbon scraping bit or edge 3 which is preferably shaped to resemble the cutting edge of a chisel, although the particular shape of the cutting edge 3 may be varied in accordance with the desire of the manufacturer.
The member 1 is provided with a handle 4 of any suitable length and the member 2 Specification of Letters Patent.
Patented June 22, 1920. Serial No. 232,541.
is provided with a corresponding handle 5 preferably of the same length as the handle it. The members of the tool are connected together by a detachable pivot 6 and one of the members is provided with a longitudinal series of holes 7 to receive the pivot pin (3, whereby the tool as a whole is adapted to be adjusted for use in connection with the groove of pistons of different diameters.
iihen the tool is applied to a piston, the longer arcnate arm or member 2 lies in the groove and forms a guide for the scraping member or arm 1. Therefore, it is only necessary to revolve the tool around the piston, or, conversely turn the piston within the tool, whereupon the scraping edge 8 loosens and removes all carbon and other foreign matter from the groove in the piston. Only a moment is required to entirely clean all carbon from-the packing ring groove, the operation being repeated in connection with each packing ring groove outer edge of the memthe piston. The
her 2 is preferably sharp for the purpose of scraping carbon from piston heads and the like.
I claim:
A tool of the class described embodying two arcuate jaws pivotally connected and together exceeding a semicircle, one of said jaws being longer than the other, the shorter jaw having at its extremity an inwardly projecting scraping bit, and the other jaw being provided with a smooth inner face whereby a free rotative and guiding movement is permitted between the tool and the work while the scraping bit is performing its function, and handles extending from said jaws.
In testimony whereof I atlix my signature.
HARRY F. MARTIN
US232541A 1918-05-04 1918-05-04 Carbon-removing tool Expired - Lifetime US1344549A (en)

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