Cutting by use of rotating axially moving tool – Tool-support with means to move tool relative to tool-support – To move radially
Patent
1983-12-21
1986-07-29
Desmond, Eugene F.
Cutting by use of rotating axially moving tool
Tool-support with means to move tool relative to tool-support
To move radially
408154, 408158, 408168, 408199, 407 45, 407 86, B23B 5100
Patent
active
046028994
ABSTRACT:
In the known, adjustable, single-cutting-edge machine reamers having a turnable cutting plate, the adjusting and re-adjusting operations are awkward and associated with difficulties because, at least as far as adjusting is concerned, adjustments have to be made at two points, and moreover for adjusting to the set desired value it is generally necessary to proceed in a step-by-step manner, gradually working ones way up to the desired value. These problems are due to the fact that adjustment can in principle only be made in the forward direction, that is to say in the direction of increasing diameter, whereas reverse adjustment in the proper meaning of the term is not possible but can only be achieved indirectly by carrying out a new adjustment with a lower starting value and adjusting in a forward direction. These problems and other disadvantages of these reamers are eliminated by a new overall concept employing a turnable cutting plate (3) in the form of an equilateral polygon, said turnable cutting plate being adjustable by means of an adjustable stop and an fixed stop (15, 14) on the polygon-sides (45, 44) of the turnable cutting plate inclined toward each other and a securing screw (17) for the turnable cutting plate acting as a springy restoring element and hence also enabling reverse adjustment to be effected.
REFERENCES:
patent: 2598581 (1952-05-01), McKenna et al.
patent: 3371397 (1968-03-01), Coleshill et al.
patent: 3376763 (1968-04-01), Welles
patent: 3611527 (1971-09-01), Hudson
patent: 3848303 (1974-11-01), Faber
patent: 4072438 (1978-02-01), Powers
patent: 4083645 (1978-04-01), Friedline
Daniel William J.
Desmond Eugene F.
Dihart AG
Howell Daniel W.
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