Abrading – Machine – Rotary tool
Reexamination Certificate
2007-08-21
2007-08-21
Rose, Robert A. (Department: 3723)
Abrading
Machine
Rotary tool
C125S015000, C451S360000
Reexamination Certificate
active
11345367
ABSTRACT:
A machining apparatus, comprising: a mounting member to be rotationally driven; a tool support member mounted on the mounting member; and a fixing member, fixed to the mounting member, for fixing the tool support member to the mounting member. The mounting member has a mounting outer peripheral surface of a generally cylindrical shape, a cylindrical mounting hole as a through-hole is formed in the tool support member, and the tool support member is mounted on the mounting member by fitting the mounting hole of the tool support member onto the mounting outer peripheral surface of the mounting member. The mounting outer peripheral surface of the mounting member has a guide region, a support region, and a relief region arranged sequentially in a central axial direction, the support region is of a cylindrical shape having an outer diameter D1, the outer diameter D2of the guide region increases up to D1toward the support region, and the outer diameter D3of the relief region progressively decreases from D1with increasing distance from the support region. The mounting hole of the tool support member has an inner diameter D4, and D4is larger than D1(D4>D1). The length in the central axial direction of the support region of the mounting outer peripheral surface is W1, and W1is √{square root over (D42−D12)} or smaller (W1≦√{square root over (D42−D12)}).
REFERENCES:
patent: 3886925 (1975-06-01), Regan
patent: 4180048 (1979-12-01), Regan
patent: 5778751 (1998-07-01), Tsuchishima et al.
patent: 6341600 (2002-01-01), Wakita
patent: 2002-219648 (2002-08-01), None
patent: 2003-165036 (2003-06-01), None
Dicso Corporation
Rose Robert A.
Smith , Gambrell & Russell, LLP
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