Shock-absorbing wheel mounting structure for jack
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United States of America Patent
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-
Dec 7, 2010
Grant Date -
Dec 13, 2007
app pub date -
Apr 13, 2007
filing date -
Apr 28, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A shock-absorbing wheel mounting structure used in a horizontal jack is disclosed. The wheel mounting structure includes an axial sleeve (4) affixed to a rear wheel mount (5) of the horizontal jack (100), and a shaft (2), vertically slideably mounted in the axial sleeve (4) and riveted to a bracket (1). The bracket (1) supports a wheel (71). A compression spring (3) is sleeved onto the shaft (2) and stopped between a stop flange around the periphery of the shaft (2) and the top wall of the axial sleeve (4). This arrangement serves to impart a downward pressure to the shaft (2) relative to the axial sleeve (4).
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