Shock-absorbing wheel mounting structure for jack

Details Shock-absorbing wheel mounting structure for jack Shock-absorbing wheel mounting structure for jack

2007-04-13

2010-12-07

Mckinnon, Terrell (Department: 3632)

Supports

Resilient support

Including load sustaining bearing or guide

C248S565000, C248S578000, C248S129000, C254S011000

Reexamination Certificate

active

07845614

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).

REFERENCES:
patent: 5873145 (1999-02-01), Chou
patent: 6086047 (2000-07-01), Lee
patent: 6505816 (2003-01-01), Hung
patent: 7065827 (2006-06-01), Hsiao
patent: 7356877 (2008-04-01), Kim et al.
patent: 7431265 (2008-10-01), Yueh
patent: 2734531 (2005-10-01), None
patent: 2742212 (2005-11-01), None
Statement Regarding Related Foreign Application dated Sep. 22, 2010.

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