Land vehicles – Wheeled – Convertible
Patent
1979-01-25
1980-12-23
Spar, Robert J.
Land vehicles
Wheeled
Convertible
16 34, 52 6, 52 69, 52143, 220 7, 280 38, 296 10, B62B 302
Patent
active
042406463
ABSTRACT:
Apparatus for use both as a platform for drum-set performances and as a carrier for such a set. The apparatus consists of a rectangular bottom section with two or more side members hinged thereto for raising to a vertical position or lowering to a horizontal position. Castors are attached to at least two of such side members so that when they are raised, the castors extend downward from the bottom section, and when lowered, the castors are retracted above the bottom section. With the side members raised, the drum-set can be placed upon the bottom section, and the entire unit rolled, or carried by provided handles. With the side members lowered, the drum-set can be placed upon the bottom section and side members, and the apparatus used as a performance platform.
REFERENCES:
patent: 1058837 (1913-04-01), Zikmund
patent: 2611417 (1952-09-01), Henry
patent: 2792270 (1957-05-01), Anderson
patent: 3096677 (1963-07-01), Ryan
patent: 3514030 (1970-05-01), Carroll
patent: 4126213 (1978-11-01), McDonald
Silverberg Fred A.
Spar Robert J.
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