Joints and connections – Articulated members – Pivoted
Reexamination Certificate
2007-10-30
2007-10-30
Gay, Jennifer H. (Department: 3679)
Joints and connections
Articulated members
Pivoted
C403S067000, C403S071000, C403S161000, C403S163000, C280S087042, C280S087050
Reexamination Certificate
active
11183787
ABSTRACT:
A swing structure for a wheel set includes a central tube, an axial tube, a spacer, a sleeve, and a fastener. The central tube is provided with a ring plate at the rear end. The ring plate is formed with a through hole thereon. A connection cylinder is disposed at the middle section of the axial tube. The connection cylinder has one end provided with a ring plate. The ring plate of the connection cylinder has a through hole for the sleeve to insert through. The spacer has a through hole for the sleeve to insert through. The sleeve is hollow for the fastener to insert through. The fastener inserts through the sleeve and is secured in the through hole of the ring plate of the central tube.
REFERENCES:
patent: 4684280 (1987-08-01), Dirkin et al.
patent: 6793224 (2004-09-01), Stratton
patent: 7121566 (2006-10-01), McClain
patent: 7226081 (2007-06-01), Chen
patent: 2006/0192358 (2006-08-01), Chen
Far Great Plastics Industrial Co. Ltd.
Ferguson Michael P.
Gay Jennifer H.
Rosenberg , Klein & Lee
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