发明名称 Dolly track
摘要 A portable, folding camera dolly track is assembled from a number of folding track sections, each track section having a parallel pair of rails, each rail having a base and a cylindrical wheel-supporting rail element, and a transverse spacer. A continuous, removable, resilient cap is provided on each wheel-supporting rail element to provide a smooth ride over joints formed by adjoining rail elements.
申请公布号 US6557775(B1) 申请公布日期 2003.05.06
申请号 US20010989618 申请日期 2001.11.20
申请人 BRINSON JOHN DILLARD;FORRESTER GIL 发明人 BRINSON JOHN DILLARD;FORRESTER GIL
分类号 E01B23/02;E01B23/04;(IPC1-7):E01B23/00 主分类号 E01B23/02
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