Metal working – Method of mechanical manufacture – Combined manufacture including applying or shaping of fluent...
Patent
1995-07-19
1997-04-22
Briggs, William R.
Metal working
Method of mechanical manufacture
Combined manufacture including applying or shaping of fluent...
29DIG5, 408 42, 408 53, 408234, 409231, B23P 2100, B23B 4100
Patent
active
056219644
ABSTRACT:
A toolhead assembly for a machine tool generally consisting of a housing supportable on the machine tool and having at least one elongated bore therein, a liner formed of a structural polymer material disposed in the bore, adhesively secured to the housing and having a cylindrical inner wall surface, a spindle shaft journal in the housing and disposed coaxially in the liner for axial displacement therein, the spindle shaft having a head section rigidly mounted on the spindle shaft and engagable in sliding relation to the liner inner wall to provide fluid chambers on either side thereof, means for injecting fluid under pressure selectively into the chambers for axially displacing the spindle shaft, means for spinning the spindle shaft about its axis and means for securing a tool bit to the spindle shaft.
REFERENCES:
patent: 3264941 (1966-08-01), Miraglia
patent: 3638934 (1972-02-01), Blum et al.
patent: 3698232 (1972-10-01), Vinson
patent: 4310963 (1982-01-01), Blumle
patent: 4539876 (1985-09-01), Myers et al.
patent: 5305525 (1994-04-01), Susnjara
Haefling Edwin H.
Hardesty Michael P.
Hardy Robert A.
Susnjara Kenneth J.
Briggs William R.
Thermwood Corporation
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