Material or article handling – Apparatus for moving intersupporting articles into – within,... – Stack forming apparatus
Patent
1978-12-08
1981-12-08
Blix, Trygve M.
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Stack forming apparatus
414276, 414286, 193 35A, 193 35SS, 227156, B65G 106, B65G 1300
Patent
active
043045219
ABSTRACT:
A method wherein palletized loads are deposited on a gravity-type conveyor at the upper end, and are moved by gravity toward the lower end, with the palletized loads being stored on the conveyor until the load at the lower end is removed, whereupon the loads are then automatically advanced downwardly. The conveyor includes a pair of parallel roller assemblies which vertically cyclically reciprocate according to a preselected pattern, the reciprocation of the roller assemblies being controlled by pneumatically inflatable hoses. Upon inflation, the roller assemblies are lifted upwardly to permit gravity-urged advance of the palletized loads, and upon deflation the loads are automatically lowered into braking engagement with stationary brake flanges positioned adjacent the roller assemblies. The wood pallets are positioned so that the outermost stringers are not disposed directly over the rollers, but rather are positioned directly over the braking flanges so that the repetitive lowering and hence impacting of the pallets on the braking flanges causes the nails associated with the lower deckboards to be continually pounded into the stringers.
REFERENCES:
patent: 2982507 (1961-05-01), Woodward
patent: 3011665 (1961-12-01), Wise
patent: 3108671 (1963-10-01), Fuka et al.
patent: 3130829 (1964-04-01), Long
patent: 3750804 (1973-08-01), Lemelson
patent: 3753507 (1973-08-01), James et al.
patent: 4044876 (1977-08-01), Hammond
Blix Trygve M.
Williams L. E.
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