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GB474024A - Improvements in and relating to internal combustion engine ignition for road-breakers, rock-drills and like percussive tools - Google Patents

Improvements in and relating to internal combustion engine ignition for road-breakers, rock-drills and like percussive tools

Info

Publication number
GB474024A
GB474024A GB1120036A GB1120036A GB474024A GB 474024 A GB474024 A GB 474024A GB 1120036 A GB1120036 A GB 1120036A GB 1120036 A GB1120036 A GB 1120036A GB 474024 A GB474024 A GB 474024A
Authority
GB
United Kingdom
Prior art keywords
drills
breakers
rock
relating
road
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
Application number
GB1120036A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1120036A priority Critical patent/GB474024A/en
Publication of GB474024A publication Critical patent/GB474024A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06—Means for driving the impulse member
    • B25D9/10—Means for driving the impulse member comprising a built-in internal-combustion engine

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

474,024. Percussive drills. WYNN, E. D. April 20, 1936, No. 11200. [Class 124] [Also in Group XXVII] An internal-combustion operated percussive drill has in internal-combustion piston 11 and a hammer piston 14 acting coaxially, the return stroke of the latter being made by the spring 17.
GB1120036A 1936-04-20 1936-04-20 Improvements in and relating to internal combustion engine ignition for road-breakers, rock-drills and like percussive tools Expired GB474024A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1120036A GB474024A (en) 1936-04-20 1936-04-20 Improvements in and relating to internal combustion engine ignition for road-breakers, rock-drills and like percussive tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1120036A GB474024A (en) 1936-04-20 1936-04-20 Improvements in and relating to internal combustion engine ignition for road-breakers, rock-drills and like percussive tools

Publications (1)

Publication Number Publication Date
GB474024A true GB474024A (en) 1937-10-20

Family

ID=9981842

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1120036A Expired GB474024A (en) 1936-04-20 1936-04-20 Improvements in and relating to internal combustion engine ignition for road-breakers, rock-drills and like percussive tools

Country Status (1)

Country Link
GB (1) GB474024A (en)

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