Volume-changeable van compartment

Details Volume-changeable van compartment Volume-changeable van compartment

1990-10-25

1992-02-18

Pedder, Dennis H.

Land vehicles: bodies and tops

Bodies

Variable capacity of body

296 36, 296175, B62D 3308

Patent

active

050887858

ABSTRACT:
A volume-changeable van compartment including an outer wall and an inner wall wherein four hydraulic cylinders are disposed on the inner wall to lift/lower the outer wall, and an equilibration mechanism for keeping the hydraulic cylinders operating at same speed, and a locking mechanism for locking up the outer wall at a certain height, a plurality of vertical male rails being evenly disposed on the outer wall and a plurality of corresponding female rails being disposed on the inner wall whereby the hydraulic cylinders can operate to lift/lower the outer wall for enlarging the volume of the van compartment, on two sides of each of the female rails being formed a groove whereby a wall board can be disposed between two adjacent female rails to form a portion of the inner wall.

REFERENCES:
patent: 2656216 (1953-10-01), Bobroff
patent: 2797124 (1957-06-01), Hauptli
patent: 2821428 (1958-01-01), Webster
patent: 3061358 (1962-10-01), Lien
patent: 3694024 (1972-09-01), Linville
patent: 3819223 (1974-06-01), Cobb
patent: 3940179 (1976-02-01), McBride
patent: 4103958 (1978-08-01), Parent

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