Land vehicles – Wheeled – With worker's support or shade
Reexamination Certificate
2005-10-17
2008-10-14
Ellis, Christopher P. (Department: 3618)
Land vehicles
Wheeled
With worker's support or shade
C280S032600
Reexamination Certificate
active
07434817
ABSTRACT:
An improved mechanic's creeper apparatus for use when working under a vehicle and the like includes a frame having an upper end, lower end, right side, and left side frame portions. A contoured deck or body platform is supported between the right and left sides. Each side bears at least three casters with wheels arranged in a non-collinear arc to prevent capture in a crack or expansion joint on the floor of the workplace. The upper end carries a height-adjustable headrest which remains parallel to the plane of the body platform when raised.
REFERENCES:
patent: 3751758 (1973-08-01), Higbee et al.
patent: D270962 (1983-10-01), Martell
patent: 5527051 (1996-06-01), Plaza
patent: 5942068 (1999-08-01), Adams et al.
patent: 6871861 (2005-03-01), Hernandez, Jr.
patent: 6969077 (2005-11-01), Liu
patent: 7032908 (2006-04-01), Melvin
Ellis Christopher P.
Johnson Larry D.
Swenson Brian
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