Land vehicles: dumping – Miscellaneous – Vibrator means to facilitate removal of material
Patent
1985-02-07
1987-09-29
Spar, Robert J.
Land vehicles: dumping
Miscellaneous
Vibrator means to facilitate removal of material
74 50, 74566, 267 42, 267144, 267153, 267160, 277 30, 277212FB, 298 19R, 414915, 446428, A63H 1705
Patent
active
046965173
ABSTRACT:
A dumping mechanism for a dumping toy truck with a rear deck is disclosed, which is provided with a covering element for preventing invasion of dust and gravel through a large hole for a lifting rod, as well as a buffering pad for a bearing shaft for the rear deck and a flexible buffer at the lower end of the lifting rod for absorbing any sudden shock or loading applied by an infant.
REFERENCES:
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patent: 1912831 (1933-06-01), Evans
patent: 2620208 (1952-12-01), Patch et al.
patent: 3239259 (1966-03-01), Dance et al.
patent: 3260013 (1966-07-01), Ryan
patent: 3650520 (1972-03-01), Vernon et al.
patent: 3711990 (1973-01-01), Pfeilsticker
patent: 4171920 (1979-10-01), Kramer et al.
Krizek Janice
Shinsei Kogyo Co., Ltd.
Spar Robert J.
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