Land vehicles – Wheeled – Extensible
Patent
1977-08-02
1978-08-08
Song, Robert R.
Land vehicles
Wheeled
Extensible
280 4317, B62d 2118
Patent
active
041052188
ABSTRACT:
Portable pallet carriers for lifting a pallet and converting it into a knock-down, portable truck that can be readily assembled to move a load about. Two pairs of carriers are detachably attached to a conventional pallet adjacent the four corners thereof. Each carrier has an elongated, rigid arm that is inserted into the pallet underlying the top or platform crosspieces of the pallet and is removably attached thereto without modification of the pallet. The support arm is provided with a guide slot normal to its longitudinal axis within which is slidably guided a guide plate connected to a caster mount that is moved to two terminal positions on opposite sides of the longitudinal axis of the support arm so that the support arm raises or lowers the pallet as the caster mount is moved to its terminal positions. In order to move the caster mount, an operating linkage connects the caster mount to the support arm. The linkage cams the caster mount to its two terminal positions under control of an operating handle which is one of the links of the linkage system. A caster wheel is mounted on the caster mount of the corresponding carrier.
REFERENCES:
patent: 2251567 (1941-08-01), Gould
patent: 2572348 (1951-10-01), Johnson
patent: 3290051 (1966-12-01), O'Brien
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Song Robert R.
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