Title:
IMPROVEMENTS IN OR RELATING TO MACHINE TOOLS
Document Type and Number:
WIPO Patent Application WO1992008573
Kind Code:
A3
Abstract:
A drive shaft 40 extends through a ram 42. The ram can be driven up and down by rotating a screw shaft 35. The ram carries with it a motor 44 which drives a pulley 36 connected to the top of the shaft 40 for rotating that shaft 40. The ram 42 can be rotated upon operation of a motor 60 which drives a worm 62 to engage a worm wheel 64 which surrounds the ram 42 and is fast therewith.
Inventors:
SQUIRES BERNARD ALDREAD (GB)
HARKNESS PAUL TREVOR (GB)
HASPEL MICHAEL JOHN (GB)
HARKNESS PAUL TREVOR (GB)
HASPEL MICHAEL JOHN (GB)
Application Number:
PCT/GB1991/001899
Publication Date:
July 09, 1992
Filing Date:
October 30, 1991
Export Citation:
Assignee:
ASQUITH LTD WILLIAM (GB)
International Classes:
B23Q1/00; B23B19/00; B23Q1/25; B23Q1/48; B23Q1/52; B23Q1/64; B23Q1/70; (IPC1-7): B23Q1/08; B23Q1/14
Foreign References:
| DE1295980B | 1969-05-22 | |||
| DE1194226B | 1965-06-03 | |||
| DE1271500B | 1968-06-27 | |||
| DE2810146A1 | 1978-12-07 |
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