NUT ROTARY BALL SCREW WITH A PREDETERMINED PRESSURE STRUCTURE
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United States of America Patent
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N/A
Issued Date -
May 3, 2012
app pub date -
Oct 28, 2010
filing date -
Oct 28, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A nut rotary ball screw with a predetermined pressure structure is disclosed. In the nut rotary ball screw of the present invention, we may rotate the predetermined pressure adjusting device to adjust the magnitude of the predetermined pressure by generating a predetermined pressure between the first inner slot and the outer slot as well as the first rolling pieces and between the second inner slot and the outer slot as well as the first rolling pieces. The present invention can greatly simplify the complicated adjustment process of the predetermined pressure in the prior art and can eliminate the time-consuming grinding step and the steps to disassemble or assemble a bolt. Accordingly, the present may simplify the adjustment process of the predetermined pressure and may lower the production cost.
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