![]() ![]() The probe apparatus of claim 2 wherein said second rack includes a slot positioned between said oppositely opposed sets of upper teeth for slidably receiving an anchoring post. ![]() ![]() The probe apparatus of claim 3 wherein said trigger includes a slot formed therein for slidably receiving an associated rib. The probe apparatus of claim 2 wherein said resiliently biased trigger is biased by at least one spring. The probe apparatus of claim 1 wherein said rack and pinion gear system comprises: a resiliently biased trigger having a first rack positioned on an upper surface thereof a pinion gear a second rack including a set of lower teeth and oppositely opposed sets of upper teeth gear teeth molded on the lower portion of said probe arms wherein said first rack engages said pinion, said pinion engages said lower teeth of said second rack, and said upper teeth of said second rack engage said gear teeth molded on the lower portion of said probe arms. ![]()
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