Circular saw unit

Details Circular saw unit Circular saw unit

1993-01-11

1993-11-02

Phan, Hien H.

Cutting

Rotatable disc tool pair or tool and carrier

With means to support work relative to tool

83473, 834771, 83490, 83699, B27B 520, B23D 4504

Patent

active

052575705

ABSTRACT:
A circular saw unit capable of changing an angle for cutting a workpiece comprises a base member, a rotary table which is rotatably mounted on the base member and on which the workpiece is placed, a hinge having one end supported to the rotary table and, a bracket member or support arm member pivotally connected to the other end of the hinge. The hinge comprises a lower hinge member having one end supported to the rotary table and an upper hinge member having one end pivotally connected to the other end of the lower hinge member and having the other end connected pivotally to the bracket member. The hinge may have a quadrilateral link mechanism for restricting a lower limit position of the circular saw and for assuring a horizontal movement of the circular saw during a cutting operation.

REFERENCES:
patent: 1841996 (1932-01-01), Van Berkel
patent: 4335637 (1982-06-01), Kaltenbach
patent: 4587875 (1986-05-01), Deley
patent: 4869142 (1989-09-01), Sato et al.
patent: 5020406 (1991-06-01), Sasaki et al.

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