Cutting – Rotatable disc tool pair or tool and carrier – With means to support work relative to tool
Patent
1991-08-09
1992-08-18
Watts, Douglas D.
Cutting
Rotatable disc tool pair or tool and carrier
With means to support work relative to tool
83485, 83DIG1, 188 8284, B27B 518
Patent
active
051389207
ABSTRACT:
A radial arm saw includes a mounting arm having a carriage mounted thereon for linear movement. A handle is also mounted on the arm and carries out movement of the carriage. The handle is movable relative to the carriage through a limited range of movement when an operating force is exerted on the handle, but at least a portion of the operating force is transmitted to the carriage. A speed control assembly limits the maximum speed at which the carriage may be moved in the radially outward direction to the speed of the handle, the speed control assembly preventing movement of the carriage in the first direction at a speed greater than the speed of the handle. The speed control assembly is driven by a shunting assembly which also establishes the maximum speed at which the speed control assembly permits the carriage to be moved radially outward.
REFERENCES:
patent: 4590831 (1986-05-01), Brodin
patent: 4620352 (1986-11-01), Sulej
patent: 4856623 (1989-08-01), Romig, Jr.
patent: 4870882 (1989-10-01), Faxon, Sr.
patent: 5052255 (1991-10-01), Gaines
Ryobi America Corporation
Schrock Allan
Watts Douglas D.
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