Land vehicles – Wheeled – Extensible
Patent
1986-03-12
1987-07-14
Mitchell, David M.
Land vehicles
Wheeled
Extensible
280 4727, B62B 112
Patent
active
046798170
ABSTRACT:
A folding hand truck with a four-part handle shaft 1, in which a bottom part 6 and a central part 8 are connected by an articulation 7, while a locking part 9, to which a handle part 11 is articulated by a multiple articulation 10 is guided telescopically in these two parts, so that in the telescoped state of the handle part the multiple articulation assumes a position above the articulation (FIG. 1).
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patent: 3222095 (1965-12-01), Gerus
patent: 3266144 (1966-08-01), Fishlove
patent: 3275336 (1966-09-01), Warner
patent: 3284103 (1966-11-01), Polzin
patent: 4275894 (1981-06-01), Mortenson
patent: 4407521 (1983-10-01), Zeitlin
patent: 4478429 (1984-10-01), Adams
Culbreth Eric D.
Leifheit AG
Mitchell David M.
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