A curved track can be attached to a chassis. An extension can be attached to a base. The chassis can be attached to the base. The extension can be in contact with the curved track.
申请公布号
WO2011136762(A1)
申请公布日期
2011.11.03
申请号
WO2010US32626
申请日期
2010.04.27
申请人
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.;ATALLAH, JEAN;BRIDEN, JOHN;PENNINGTON, JOHN
