Combined ramp and vehicle chocking construction

Details Combined ramp and vehicle chocking construction Combined ramp and vehicle chocking construction

2008-01-08

2008-01-08

Addie, Raymond (Department: 3671)

Bridges

Gangway, ramp, or dock leveler

C254S088000

Reexamination Certificate

active

11180722

ABSTRACT:
A combined ramp and chocking construction for a four-wheeled vehicle can be adjusted to a first position in which the construction forms a ramp, and to a second position in which the construction provides four vehicle chocks. The construction includes four units arranged sequentially two and two in the longitudinal direction of the vehicle. Each of the units is elongate and pivotal about an axis that is perpendicular to the longitudinal direction of the vehicle. Each unit is also intended to be generally straight in the first position and generally angled in the second position, in response to rotation about their pivot axes.

REFERENCES:
patent: 1189632 (1916-07-01), Seitz
patent: 1849964 (1932-03-01), Snyder
patent: 4920596 (1990-05-01), Stevens
patent: 6135420 (2000-10-01), Johnston et al.
patent: 7100232 (2006-09-01), Zhang
patent: 7194779 (2007-03-01), Trask
patent: 2002/0078513 (2002-06-01), Schouest
patent: 1 038 725 (2000-09-01), None
Office Action dated Feb. 27, 2007 for corresponding European Application No. 05445050.7.

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