Appeal 2007-2769
Application 09/929,242
contact between a person and a cutting tool, and a reaction system which
retracts the cutting tool away from the cutting region and stops the rotation
of the blade.
Claim 1, reproduced below, is further illustrative of the claimed
subject matter.1
1. A woodworking machine having a cutting region for
cutting workpieces, comprising:
a movable cutting tool for cutting workpieces in the
cutting region;
a detection system adapted to detect contact between a
person and the cutting tool; and
a reaction system associated with the detection system
and the cutting tool, where the reaction system is configured to
retract the cutting tool at least partially away from the cutting
region upon detection of contact by the detection system.
The references of record relied upon by the Examiner as
evidence of obviousness are:
Friemann US 3,858,095 Dec. 31, 1974
Terauchi US 4,512,224 Apr. 23, 1985
Hauer (as translated) DE 196 09 771 A1 Jun. 04, 1998
1 It is noted that “the rotation” and “the blade” of claim 5 have not been
previously recited and lack clear antecedent basis from claim 1.
2
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