GB508421A - Improvements relating to drop hammers - Google Patents

Improvements relating to drop hammers

Info

Publication number
GB508421A
GB508421A GB1224138A GB1224138A GB508421A GB 508421 A GB508421 A GB 508421A GB 1224138 A GB1224138 A GB 1224138A GB 1224138 A GB1224138 A GB 1224138A GB 508421 A GB508421 A GB 508421A
Authority
GB
United Kingdom
Prior art keywords
arms
arm
lever
eccentric
spindle
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
GB1224138A
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 Ltd
Original Assignee
BRETTS PATENT LIFTER CO Ltd
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 Ltd filed Critical BRETTS PATENT LIFTER CO Ltd
Priority to GB1224138A priority Critical patent/GB508421A/en
Publication of GB508421A publication Critical patent/GB508421A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/20—Drives for hammers; Transmission means therefor
    • B21J7/36—Drives for hammers; Transmission means therefor for drop hammers
    • B21J7/42—Drives for hammers; Transmission means therefor for drop hammers operated by rotary drive, e.g. electric motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

508,421. Drop hammers. BRETTS PATENT LIFTER CO., Ltd., and PETERS, G. E. April 23, 1938, No. 12241. [Class 83 (iv)] The friction block k for engaging the drum a is mounted on an eccentric n formed on or secured to a spindle m mounted in the arms d, e, f and carrying a bell-crank lever t. One arm of the lever is coupled by a spring x to the arm f and the other arm carries an operating rope v. A plurality of key ways are provided in the spindle to permit adjustment of the lever. The friction block has renewable facings p and is formed with a lug r having a cap q to enable it to be removed from the eccentric. Springs o connected the block to the bar y connecting the arms d, e. The end of the lifting strap passing over the guide pulley g is connected to the member i connecting the arms e, f. Specifications 110,852, [Class 83 (iv)], and 508,422 are referred to.
GB1224138A 1938-04-23 1938-04-23 Improvements relating to drop hammers Expired GB508421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1224138A GB508421A (en) 1938-04-23 1938-04-23 Improvements relating to drop hammers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1224138A GB508421A (en) 1938-04-23 1938-04-23 Improvements relating to drop hammers

Publications (1)

Publication Number Publication Date
GB508421A true GB508421A (en) 1939-06-30

Family

ID=10000974

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1224138A Expired GB508421A (en) 1938-04-23 1938-04-23 Improvements relating to drop hammers

Country Status (1)

Country Link
GB (1) GB508421A (en)

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