Supports – Suspended supports – Adjustable
Patent
1990-03-30
1992-08-04
Foss, J. Franklin
Supports
Suspended supports
Adjustable
248287, A47H 110
Patent
active
051351960
ABSTRACT:
A multi-axis positional gimbal assembly is provided having a junction member with two passageways therein at angles to each other, a first arm sized to insert into one of the passageways and to axially shift therein and a second arm sized to insert into the other of said passageways and to to axially shift therein. The arms are provided with locking means to releasably secure them in the passageways. The upper end of the first arm is mounted to a support member as a microscope. The distal end of the second (and lower) arm, supports a pallet pivotably mounted thereon at a point removed from the junction member. The second arm is pivotable about the axis of the first arm and also movable up and down on said first arm so as to move such pallet on all three axes, as desired, which pallet can be tilted to any desired attitude and arms and pallet locked in place. In a preferred embodiment a constant force spring is mounted between the junction member and the upper portion of the first arm or the support member, to apply an upward counter-force to the junction member, second arm and pallet to substantially offset the weight thereof so that an operator may more easily maneuver the pallet in all directions, e.g. into focus of the field of a microscope and then remain in place, when when the operator's hand is removed for note taking, operating other equipment and the like. The pallet can thus support a printed circuit thereon and position such circuit in the field of view of a microscope for examination of defects and mapping the location thereof.
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Erlich Jacob N.
Foss J. Franklin
Singer Donald J.
The United States of America as represented by the Secretary of
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