Land vehicles – Wheeled – Attachment
Patent
1989-04-10
1990-11-20
Mitchell, David M.
Land vehicles
Wheeled
Attachment
296 376, 296 392, B62D 3304
Patent
active
049713566
ABSTRACT:
This invention is puzzle shaped units that preferably are filled with concrete or sand and interlocked in such a way as to form one ballast unit that will lay flat on the floor of a vehicle's normal cargo carrying area. These puzzle shaped units can be arranged in many ways to best fit the cargo space and ballast weight requirements of any vehicle. They are made in such a way and of such a weight that they are easy to take in and out as the need arises.
REFERENCES:
patent: 4339142 (1982-07-01), Tannor
patent: 4796914 (1989-01-01), Raynor
Corbin Charles C.
Mitchell David M.
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