Abutment piece adapted to be inserted in a T slot of a machine t

Details Abutment piece adapted to be inserted in a T slot of a machine t Abutment piece adapted to be inserted in a T slot of a machine t

1976-04-28

1977-08-30

Watson, Robert C.

Work holders

Work-stop abutment

B23Q 300

Patent

active

040450104

ABSTRACT:
An abutment piece adapted to be inserted into a T slot of a machine table and which bears against a lateral surface of the leg section of the T slot by means of an abutment surface and projects beyond the clamping surface of the machine tool table. The abutment piece has a head portion which projects beyond the clamping surface and the width thereof is greater than the slot width of the leg section. The abutment piece has a neck portion received in the T slot and the width of the neck portion is smaller than the slot width. The head portion has on its side facing away from the abutment surface a bearing surface inclined at 45.degree. with respect to the abutment surface and extends toward the neck portion. The bearing surface engages the chamfered outer edge of the lateral surface of the leg section. A wedge element is provided on the neck portion of the abutment piece and is movable parallel to the abutment surface and perpendicularly to the head portion. A clamping screw is provided and engages the widened flange section of the T slot. The wedge surface of the wedge element, which faces the bearing surface and is inclined at an opposite angle with respect to the abutment surface is urgable against the inner edge of the corresponding lateral surface on the leg section.

REFERENCES:
patent: 3554530 (1971-01-01), Moore
patent: 3704880 (1972-12-01), Gudel

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