Title:
AN INHERENTLY BALANCED SPINDLE FOR TOOL HEADS USED IN CALIBRATING, SMOOTHING OR POLISHING NATURAL STONE SLABS AND/OR CERAMIC TILES
Document Type and Number:
WIPO Patent Application WO2003097297
Kind Code:
A3
Abstract:
A spindle for tool heads used in calibrating, smoothing or polishing natural stone slabs and/or ceramic tiles, comprising: a tubular housing (3) in which the spindle body (12) is movable, the spindle body (12) including a shaft (31) carrying a rotary abrassive tool head at one end (32, 33), a cylinder actuator for setting the position of the spindle and its associated tool head on the metal supportstructure (2); two or more motors (21) drivingly connected to the spindle shaft through gearing (24, 25) for evenly spreading the mass thereof and the drive torque; a coolant supply line (29) to the abrasive tooling of said head through the hollow interior of the spindle shaft (27, 31); wherein said spindle body (12) is coaxial with said cylinder actuator (35) an rigidly connected to the piston rod thereof; moreover said tubular housing (3) can be swung around a spherical surface (4) supporting the end flange (5), the other end having a spherical guide band (8) for guiding the latter end across a mating cylindrical surface (9); and clamping arrangement (7, 10) for locking the tubular housing (3) and the whole spindle (1) in a set position is provided.
Inventors:
PEDRINI LUIGI (IT)
Application Number:
PCT/IT2003/000291
Publication Date:
March 17, 2005
Filing Date:
May 15, 2003
Export Citation:
Assignee:
PEDRINI LUIGI (IT)
International Classes:
B24B7/22; B24B27/00; B24B41/00; B24B41/04; B24B41/047; (IPC1-7): B24B7/22; B24B41/04; B24B41/00; B24B41/047
Foreign References:
| FR2537044A1 | 1984-06-08 | |||
| US6336849B1 | 2002-01-08 | |||
| US4018012A | 1977-04-19 | |||
| US3541734A | 1970-11-24 | |||
| EP1083027A2 | 2001-03-14 | |||
| GB2226783A | 1990-07-11 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 016, no. 452 (M - 1313) 21 September 1992 (1992-09-21)
PATENT ABSTRACTS OF JAPAN vol. 011, no. 241 (M - 614) 7 August 1987 (1987-08-07)
PATENT ABSTRACTS OF JAPAN vol. 007, no. 237 (M - 250) 21 October 1983 (1983-10-21)
PATENT ABSTRACTS OF JAPAN vol. 011, no. 241 (M - 614) 7 August 1987 (1987-08-07)
PATENT ABSTRACTS OF JAPAN vol. 007, no. 237 (M - 250) 21 October 1983 (1983-10-21)
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