Abrading – Machine – Rotary reciprocating tool
Patent
1995-05-11
1997-01-14
Eley, Timothy V.
Abrading
Machine
Rotary reciprocating tool
451 41, 451353, B24B 722
Patent
active
055933424
ABSTRACT:
A device for smoothing or polishing stone, of the type comprising at least two carrying segments for flat grindstones or bricks. These segments are driven with oscillatory movement so as to cause the grindstones or bricks to operate along a generatrix when the device is driven in rotation during smoothing or polishing. The drive for the flat grindstones (16) or bricks in oscillation comprises an intermittent flow or a continuous flow with variable flow rate, of a fluid, which can be a liquid or gas. The fluid flow can be a flow of water or of equivalent cooling liquid, so as to ensure simultaneously the lubrication in the course of polishing and the driving in oscillation of the carrying segments (12). A flexible jack (6) having at least one bellows fold is provided, as well as an elastic abutment (14) providing a spring, so as to cause to oscillate the carrying segments (12) between a first extended position of the flexible jack (6) and of compression of the elastic abutment (14), and a second retracted position of the flexible jack (6) and of elastic expansion of the abutment (14).
REFERENCES:
patent: 2105634 (1938-01-01), Brendel
patent: 2582470 (1952-01-01), Walker et al.
patent: 3608648 (1971-09-01), Dibble, Jr. et al.
patent: 4965965 (1990-10-01), Wallin et al.
patent: 5161331 (1992-11-01), Zambon et al.
Eley Timothy V.
Thibaut S.A.
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