Primary leather cup for automobile brake master cylinder

The utility model discloses a primary leather cup for an automobile brake master cylinder. The primary leather cup comprises a primary leather cup body, is provided with an inner ring, an outer ring and a hole-shaped part formed by encircling the inner ring, and is characterized in that: the side wa...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG JUN, SONG YONGCHUANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a primary leather cup for an automobile brake master cylinder. The primary leather cup comprises a primary leather cup body, is provided with an inner ring, an outer ring and a hole-shaped part formed by encircling the inner ring, and is characterized in that: the side wall of the inner ring and the side wall of the outer ring are provided with a lip which protrudes towards the center of the primary leather cup body and a lip which protrudes in a manner far away from the center of the primary leather cup body. The primary leather cup has the beneficial effects that: the service life of the automobile brake master cylinder is prolonged, the sealing characteristic of the brake master cylinder is prolonged, and the durability of the primary leather cup is improved simultaneously.