Gearwheel attached to an expanded tube
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United States of America Patent
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-
Feb 11, 1992
Issued Date -
N/A
app pub date -
Feb 21, 1991
filing date -
Feb 24, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gearwheel attached to an expanded tube portion in a force-locking way, and including at least one plate metal disc member having a cylindrical hub portion on which a supporting ring is slid which has a yield strength higher than that of the tube portion, and at least one gear ring attached to the disc member.
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