Metal working – Method of mechanical manufacture – Work holding
Patent
1995-06-06
1997-11-11
Watson, Robert C.
Metal working
Method of mechanical manufacture
Work holding
269 71, 269 82, B23Q 104
Patent
active
056850603
ABSTRACT:
A workpiece holding assembly for a machine apparatus is provided having an adjustable rail clamp attached to a rail which is secured to a work table of the apparatus. The rail is provided with front and back side referencing surfaces and the rail clamp includes an inner channel having an inside wall which comprises a reference surface for engagement with either the front or back side surfaces of the rail. The rail clamp includes a rail fastener means which functions to create a downward and inward force component which securely draws the inside wall against the rail reference surfaces to ensure a solid rigid connection. The rail clamp further is provided with a leveler connector means providing a quick release with a leveler head. The leveler head is provided with a connector portion that forms a corresponding connection with the leveler connector means. The leveler connector means includes a manually operated lever that draws the leveler head and rail clamp together so that reference surfaces become rigidly engaged in a manner to orient the leveler head in a predetermined relationship relative to the rail. The leveler head includes a cant adjustment means. The leveler head further includes a horizontal adjustment means comprising a cam. The leveler head also includes a vertical adjustment screw.
REFERENCES:
patent: 4317560 (1982-03-01), Troyen
patent: 4422628 (1983-12-01), Kasai
patent: 4577846 (1986-03-01), Buchler
patent: 5019129 (1991-05-01), Johanson
Gaiser Tool Company
Hovet Kenneth J.
Watson Robert C.
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