Manually positioned computer controlled drilling machine

Details Manually positioned computer controlled drilling machine Manually positioned computer controlled drilling machine

1993-08-05

1995-01-24

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Processes

Bit detachable

408 13, 408 76, B23B 3500, B23B 4514

Patent

active

053837517

ABSTRACT:
A manually positioned computer controlled drilling machine (10) is disclosed for drilling a hole (12) through a surface (14). The machine includes a base (16) which is supported on a counterbalanced suspension so that an operator can manually move and shift the machine on the surface to be drilled. Automatic adjustable legs (20-26) are biased outwardly from the base by low pressure air cylinders which allows the operator to tilt and move the base (16) relative to the surface (14). This allows the operator to position the drill bit (18) over the position where the hole is to be drilled and orient the drill bit perpendicular to the surface. Caliper brakes (38) are then activated to lock the legs in place. A number of suction cup assemblies (42-52) are then sequentially moved outward into contact with the surface. A suction foot (56) on each of the suction cup assemblies is adhered to the surface by a vacuum. A double acting cylinder (62) associated with each suction cup assembly is pressurized to pull the suction foot away from the surface without pulling the foot off the surface, forcing the fixed adjustable legs to press with counteracting force on the surface and provide a stable platform for the drilling operation.

REFERENCES:
patent: 633882 (1899-09-01), Moissenet
patent: 1010975 (1911-12-01), Stroner et al.
patent: 3456738 (1969-07-01), Harry
patent: 4582460 (1986-04-01), Silverberg et al.
patent: 4613262 (1986-09-01), Woods
patent: 5006021 (1991-04-01), Wheetley
Brochure, V-Scope, The Ultimate Measurement System, Celesco Transducer Products, Inc.

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