Apparatus for holding pin in pin-coupled structure
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United States of America Patent
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-
Jan 20, 2004
Grant Date -
Jun 19, 2003
app pub date -
Mar 4, 2002
filing date -
Dec 17, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus, used for holding a coupling pin at a desired position in a pin-coupled structure regardless of a relative movement of two or more pin-coupled parts in the structure, is disclosed. This pin holding apparatus has two pin holding blocks, with an elastic member interposed between the two pin holding blocks, and is inserted into a pin slot with the two holding blocks radially compressed by an external force to reduce the outer diameter of the apparatus. The apparatus elastically expands in the pin slot due to the restoring force of the compressed elastic member when the external force is removed from the apparatus, thus being set in an annular groove formed on the inner surface of the pin slot and holding the pin at its desired position in the pin slot. The pin holding apparatus is easily set in and removed from the pin slot. This pin holding apparatus also has an elastic cushion, which is positioned at the junction of the pin and the pin holding apparatus, thus almost completely preventing a breakage of the pin.
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