Drill motor assembly with gimbal normality and clamp-up capabili

Details Drill motor assembly with gimbal normality and clamp-up capabili Drill motor assembly with gimbal normality and clamp-up capabili

1984-12-28

1986-09-23

Yost, Frank T.

Gear cutting, milling, or planing

Milling

Including means to adustably position cutter

408 88, 408236, 409216, B23B 3914

Patent

active

046132627

ABSTRACT:
The present invention provides a drilling apparatus (10) having a drilling member (20) that is rotatable about an axis (45) for drilling a bore in a workpiece (12). The drilling apparatus (10) includes a spindle (22) which drives the drilling member (20) and advances it towards and against the workpiece surface (32). The gimbal member (18) normalizes the drilling member (20) as the bore is drilled. The gimbal member (18) guides the drilling member (20) toward a drilling point (48) which is positioned on a datum plane (44) that is substantially tangent to the surface of the workpiece (32). As the bore is drilled, the guiding member (18) guides the drilling member (20) so that the drilling axis (45) remains substantially normal to the drilling point (48) at all times while the bore is drilled.

REFERENCES:
patent: 1881185 (1932-10-01), Hazelton
patent: 2357579 (1944-09-01), Conway
patent: 2640515 (1953-06-01), Johnson
patent: 2891427 (1959-06-01), Warsap et al.
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patent: 4304512 (1981-12-01), Vierstraete
patent: 4310269 (1982-01-01), Neu et al.

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