Digital Display Apparatus for Fastener Pulling Tool
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United States of America Patent
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N/A
Issued Date -
Nov 25, 2010
app pub date -
May 20, 2010
filing date -
May 22, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A digital display apparatus for a fastener pulling tool to set a fastener (e.g., rivet, blind rivet or blind threaded insert), driven by pneumatic, hydraulic or pneudraulic power, includes a power supply, a CPU, a pressure sensor, position sensors, a display, and an input means; wherein the pressure sensor is operable to sense pressure of hydraulic or pneumatic fluid entering the fastener pulling tool; the CPU includes a pressure and pulling force calculation module an unit conversion module, an over pressure determination module, a cycle times counting module, and an abnormal stroke detecting module; and the display includes a pressure display zone for showing hydraulic or pneumatic pressure and a pulling force display zone for showing pulling force, a non-resettable over pressure display zone showing the highest inlet pressure, and a cycle time display zone for showing non-resettable accumulated working cycles of the tool.
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