Work holders – Holder mounted for movement – Means for position lock
Reexamination Certificate
2006-09-26
2006-09-26
Watson, Robert C. (Department: 3723)
Work holders
Holder mounted for movement
Means for position lock
Reexamination Certificate
active
07111836
ABSTRACT:
The present invention is a workpiece positioner comprising a spherical ball having an aperture, a upper spherical dome housing having a groove through the housing beginning at the apex of the dome and extending down the side of the housing to approximately 90 degrees from the apex. The ball is positioned within the housing. A spherical seat is positioned against the ball. At least one tension disc spring is positioned against the seat. A radial braking means is positioned against the spring. A flange ring is affixed to the base of the housing securing the ball, seat, at least one spring and braking means in place within the housing. A base is secured to the braking means. An actuator lever is connected to the seat through the base. A cam and handle assembly is connected to the lever and a rod is affixed within the aperture of the ball.
REFERENCES:
patent: 5957445 (1999-09-01), Hagman et al.
David B. Waller & Associates
Watson Robert C.
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