Cylinder head support with air cushion and vacuum hold down

Details Cylinder head support with air cushion and vacuum hold down Cylinder head support with air cushion and vacuum hold down

1978-04-17

1980-02-26

Watson, Robert C.

Work holders

With fluid means

Vacuum-type holding means

B25B 1100

Patent

active

041902408

ABSTRACT:
A machine tool, such as a machine for reconditioning the valve guide bores of automobile cylinder heads, includes a support member for holding a work piece and a table for supporting the support member. A plurality of orifices are provided for supplying air to or removing air from between the support member and the table. An operator-controlled valve selectively connects either an air source to the orifices to provide an air cushion which permits positioning of the support member with respect to the table, or connects a vacuum source to the orifices which holds the support member in a fixed position with respect to the table.

REFERENCES:
patent: 2855653 (1958-10-01), Kastenbein
patent: 3209623 (1965-10-01), Schardt
patent: 3694894 (1972-10-01), Jelinek et al.
patent: 3953013 (1976-04-01), Griffith et al.

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