GB641586A - Improvements relating to board hammers - Google Patents

Improvements relating to board hammers

Info

Publication number
GB641586A
GB641586A GB2512348A GB2512348A GB641586A GB 641586 A GB641586 A GB 641586A GB 2512348 A GB2512348 A GB 2512348A GB 2512348 A GB2512348 A GB 2512348A GB 641586 A GB641586 A GB 641586A
Authority
GB
United Kingdom
Prior art keywords
improvements relating
ramp
board
hammer head
hammers
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
GB2512348A
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.)
BRETTS PATENT LIFTER Co L
ERNEST GOALBY
WILLIAM JOSEPH MORIARTY
Original Assignee
BRETTS PATENT LIFTER Co L
ERNEST GOALBY
WILLIAM JOSEPH MORIARTY
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 BRETTS PATENT LIFTER Co L, ERNEST GOALBY, WILLIAM JOSEPH MORIARTY filed Critical BRETTS PATENT LIFTER Co L
Priority to GB2512348A priority Critical patent/GB641586A/en
Publication of GB641586A publication Critical patent/GB641586A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/20Drives for hammers; Transmission means therefor
    • B21J7/36Drives for hammers; Transmission means therefor for drop hammers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/04Frames; Guides

Landscapes

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

Abstract

641,586. Power hammers. BRETTS PATENT LIFTER CO., Ltd., GOALBY, E., and MORIARTY, W. J. Sept. 27, 1948. No. 25123. [Class 83 (iv)] A board hammer comprises in combination with one or each of the vertical hammer head guides a, a ramp c, which is suspended from its upper end d, and fluid or mechanically-operable means f for varying the inward inclination of the ramp, the latter being adapted to exert a restraining force on the hammer head so that it may be lowered slowly and in a controllable manner if required.
GB2512348A 1948-09-27 1948-09-27 Improvements relating to board hammers Expired GB641586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2512348A GB641586A (en) 1948-09-27 1948-09-27 Improvements relating to board hammers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2512348A GB641586A (en) 1948-09-27 1948-09-27 Improvements relating to board hammers

Publications (1)

Publication Number Publication Date
GB641586A true GB641586A (en) 1950-08-16

Family

ID=10222579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2512348A Expired GB641586A (en) 1948-09-27 1948-09-27 Improvements relating to board hammers

Country Status (1)

Country Link
GB (1) GB641586A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781844A (en) * 1954-06-25 1957-02-19 Pacific Ind Mfg Co Hydraulic hold-down for reciprocating ram
US3388583A (en) * 1966-02-08 1968-06-18 Maximilian K. Nye Precision ram structure for drop hammers
US5746087A (en) * 1995-07-19 1998-05-05 The National Machinery Company Heading slide guiding system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781844A (en) * 1954-06-25 1957-02-19 Pacific Ind Mfg Co Hydraulic hold-down for reciprocating ram
US3388583A (en) * 1966-02-08 1968-06-18 Maximilian K. Nye Precision ram structure for drop hammers
US5746087A (en) * 1995-07-19 1998-05-05 The National Machinery Company Heading slide guiding system

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