KIND OF BRAKE UPPER PUMP WITH ADJUSTABLE FORCE ARM
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Jul 3, 2024
filing date -
Jul 3, 2024
priority date (Note) -
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Abstract
A brake upper pump with an adjustable force arm, including a brake pump body, a brake handle, and a piston rod components extending into the brake pump body; The position where the user holds the brake lever is the grip input position, the connection between the brake pump body and the brake lever is the rotation fulcrum position, the connection between the piston rod assembly and the brake lever is the thrust output position; The distance between the rotation fulcrum position and the force-generating point of the user's hand-held brake lever forms the input force arm, and the distance between the rotation fulcrum position and the thrust output position forms the output force arm; A first force arm adjustable mechanism is provided at the rotation fulcrum, and the first force arm adjustable mechanism can change the rotation center of the brake lever relative to the brake pump body.
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