Appeal No. 2004-0299
Application No. 09/932,543
a set aperture 44 as well as proximal and distal snap holes 50
and 52, a set 70 disposed in the set aperture and positioned to
bias into the elongated groove wherein the set prevents sliding
between the shank and sleeve when tightened and allows sliding
between the shank and sleeve when loosened, and a selective lock
28 comprising a bore 30 housing a spring 32 and ball 34 for
engagement into snap holes 50 and 52. This appealed subject
matter is adequately represented by independent claims 1 and 9
which read as follows:
1. A hand tool, comprising:
a shank integrally joined to an operational head at the
proximal end of the shank, the shank including an elongated
groove with corresponding ends adjacent the proximal and distal
ends of the shank;
a slidable sleeve having an internal channel, the sleeve
sized to receive the shank, the sleeve defining a set aperture, a
proximal end portion of the sleeve defining a proximal snap hole,
and a distal end portion of the sleeve defining distal snap hole;
a set disposed in the set aperture and positioned to bias
into the elongated groove, the set preventing sliding between the
shank and sleeve when tightened and the set allowing sliding
between the shank and the sleeve when loosened; and
a bore defined adjacent a distal end of the shank, the bore
housing a spring and a ball, the spring directing the ball into
the proximal snap hole when the sleeve is fully extended from the
shank, the spring directing the ball into the distal snap hole
when the sleeve is fully contracted relative to the shank.
2
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