Drum brake assembly and brake shoes for same
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United States of America Patent
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Oct 26, 1999
Grant Date -
N/A
app pub date -
Jul 25, 1997
filing date -
Nov 19, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a drum brake for a vehicle in which a pair of brake shoes 4 and 5 having an identical size are pressed against an inner face of a brake drum 1 so as to effect braking, a natural frequency of one (4) of said pair of brake shoes 4 and 5 is made different from a natural frequency of the other (5). Due to the difference in the respective natural frequencies of the right and left brake shoes 4 and 5, coupled vibrations between the brake drum 1 and the two brake shoes 4 and 5 are hard to cause, whereby it is effective in drastically reducing opportunities of generating 'judder.'
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