Appeal 2007-0266
Application 09/929,227
1 When such a condition is detected, the machine has a brake that stops the cutting
2 tool in approximately 3 milliseconds.
3 Claim 1 reproduced below is further illustrative of the claimed subject
4 matter:
5 1. A woodworking machine comprising:
6
7 a support fame;
8
9 a motor supported by the frame;
10
11 a cutting tool supported by the frame and moveable by the motor;
12
13 a detection system adapted to detect a dangerous condition between a
14 person and the cutting tool;
15
16 a brake component adapted to engage the cutting tool, where the
17 brake component has a ready position spaced apart from the cutting tool; and
18
19 an actuator having stored energy sufficient to move the brake
20 component from the ready position into the engagement with the cutting tool
21 within approximately 3 milliseconds or less after the dangerous condition is
22 detected.
23
24 The references of record relied upon by the Examiner as evidence of
25 obviousness are:
26
27
28 Baur US 3,695,116 Oct. 3, 1972
29 Friemann US 3,858,095 Dec. 31, 1974
30 Yoneda US 4,117,752 Oct. 3, 1978
31 Andreasson US 4,653,189 Mar. 31, 1987
32 Bielinski US 5,606,889 Mar. 4, 1997
33
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