Control module for flywheel operated hand tool

Details Control module for flywheel operated hand tool Control module for flywheel operated hand tool

2005-12-13

2005-12-13

Smith, Scott A. (Department: 3721)

Elongated-member-driving apparatus

With control means responsive to sensed condition

C227S131000

Reexamination Certificate

active

06974061

ABSTRACT:
A control module advantageously reduces cost and enhances reliability, design flexibility, ease of assembly, and performance of a flywheel operated hand tool. The control module includes a thin film printed circuit with non-contact speed sensing of a flywheel to more accurately set the target speed and control transfer kinetic energy thereof to a fastener, achieving a desired depth regardless of variations in component performance and battery voltage. The printed circuit also includes long service life thin film switches for responding to trigger and safety inputs. Furthermore, the control module responds to a user speed selection and to preset speed selection ranges to reconfigure the controls as appropriate to constraints of a fastener drive assembly and to user preferences.

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