Appeal No. 2001-0099
Application No. 09/042,431
axially against the force of a compression spring 19 to
disengage a tab 12 on the end of the rod from a locking
opening 13 on the head. In order not to have to hold the
slider back continuously against the force of the spring 19,
the slider 15 can be turned approximately 30 degrees to place
the pin 14 in the locking position shown in Figure 5. The
examiner recognizes that the retaining structure of
Mesenhöller's first embodiment lacks a lock stem "having a
terminal first end coupled to the rod and disposed in the
first bore. Rather, both ends of the diametral pin 14 are
outside the handle shank 1.
The retaining structure of Mesenhöller's second
embodiment (Figures 8 and 9) differs from the first embodiment
in that the tubular shank 36 contains an elongate slot 35,
rather than two angular slots as in the first embodiment, and
the slider 33 is not annular and is coupled to the rod 34 by a
pin 14 which has only one end extending out from the rod.
This second embodiment lacks a retaining slot communicating
with the second slot end of the engagement slot (elongate slot
35), as called for in claim 1.
5
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