Logic control with test mode for fast-acting safety system
First Claim
1. A machine having an operative structure configured to perform a task, where the operative structure includes a cutting tool adapted to move in at least one motion, and where the machine comprises:
- a detection system adapted to detect the occurrence of an unsafe condition between a person and the cutting tool;
a reaction system adapted to mitigate the unsafe condition; and
a control system adapted to monitor the detection system and control actuation of the reaction system, where the control system includes a test mode feature configured to allow a user to test whether the detection system is operating.
2 Assignments
0 Petitions
Accused Products
Abstract
Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to perform a specified action upon detection of the dangerous condition. The machines further include a control system adapted to test the operability of at least a portion of the detection system and/or the reaction system. The control system is adapted to disable the motor if the tested portion is inoperable. The control system also includes a test mode to test whether the detection system is working, to test whether various materials would be detected by the detection system, and/or to test whether various materials would trigger the reaction system.
-
Citations
20 Claims
-
1. A machine having an operative structure configured to perform a task, where the operative structure includes a cutting tool adapted to move in at least one motion, and where the machine comprises:
-
a detection system adapted to detect the occurrence of an unsafe condition between a person and the cutting tool;
a reaction system adapted to mitigate the unsafe condition; and
a control system adapted to monitor the detection system and control actuation of the reaction system, where the control system includes a test mode feature configured to allow a user to test whether the detection system is operating. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A machine having an operative structure configured to perform a task, where the operative structure includes a cutting tool adapted to move in at least one motion, and where the machine comprises:
-
a detection system adapted to detect the occurrence of an unsafe condition between a person and the cutting tool;
a reaction system adapted to mitigate the unsafe condition; and
a control system adapted to monitor the detection system and control actuation of the reaction system, where the control system includes a test mode feature configured to allow a user to test whether a particular material would be perceived by the detection system as a person in a dangerous condition. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. A machine having an operative structure configured to perform a task, where the operative structure includes a cutting tool adapted to move in at least one motion, and where the machine comprises:
-
a detection system adapted to detect the occurrence of an unsafe condition between a person and the cutting tool;
a reaction system adapted to mitigate the unsafe condition; and
control system adapted to monitor the detection system and control actuation of the reaction system, where the control system includes test mode means for allowing a user to test the detection system.
-
Specification