ROTATING HEAD WITH BYPASS CIRCUIT
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United States of America Patent
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N/A
Issued Date -
Jul 28, 2022
app pub date -
Jan 25, 2021
filing date -
Jan 25, 2021
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A rotating head assembly includes a body, an implement, a clamp assembly, a drive member, a hydraulic motor, and a bypass circuit. The drive member is threadingly connected to a first clamp member and a second clamp member. The hydraulic motor is connected to the drive member to cause the drive member to rotate in a selected direction. An inlet of the bypass circuit is in fluid communication with an inlet of the hydraulic motor to receive a portion of the pressurized hydraulic fluid passing to the hydraulic motor. An outlet of the bypass circuit is in fluid communication with the outlet of the hydraulic motor. At least one bypass valve is interposed between the inlet of the bypass circuit and the outlet of the bypass circuit. The bypass valve has an actuator positioned adjacent one of the first clamp member and the second clamp.
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