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US 5,379,842 AGranted
Material-handling equipment
OwnerMel Terryinventor
Life of this patent
Estimating the term…
Abstract
A multi-wheeled transport vehicle which is capable of crossing uneven terrain without torquing the load, including modular wheel units permitting a low profile and means to equalize the load between the individual wheel units.
Claims6
A wheel module for use in transport devices, comprising:
- a pair of wheels mounted to a trunnion base;
- a cylinder with a vertical axis pivotably supporting said trunnion base;
- a piston fitting in said cylinder;
- an upper plate member for supporting a load;
- a vertical shaft connecting said piston to said upper plate member;
- and
- means for turning said cylinder about said vertical cylinder axis relative to said upper plate member.
4 more elements
Dependencies are inferred from the claim text.