Article dispensing – With discharge assistant – Multiple – simultaneously acting and circumposed
Patent
1991-10-28
1994-06-21
Skaggs, H. Grant
Article dispensing
With discharge assistant
Multiple, simultaneously acting and circumposed
221297, 221298, 221 1, B65G 5900
Patent
active
053221885
ABSTRACT:
Apparatus and method for dispensing lids, such as plastic lids for soft-drink cups, one-by-one from a stack of such lids supported initially underneath by resting on the lower of two pairs of members adapted to grip and ungrip individual lids, the upper pair being in ungripping configuration and the lower pair being in ungripping but supporting configuration. Operating the method, as by depressing a handle, causes the member pairs first to grip, respectively, the bottommost lid and the next overlying lid, and then to lower the bottommost lid while gripped, as the next overlying lid remains at its original level gripping and thereby supporting the stack of overlying lids. Further operation causes the bottommost lid to be ungripped by the lower pair of members to fall unsupported, whereupon that pair of members returns empty to its original level in ungripping but supporting configuration, then the upper pair of members ungrips the next lid whereupon the stack settles the thickness of a lid onto the lower pair of gripping-ungripping members in ungripping supporting configuration, completing a cycle of lid dispensing.
REFERENCES:
patent: 3122267 (1964-02-01), Edwards
patent: 3838792 (1974-10-01), Porter
patent: 4375144 (1983-03-01), Moller
patent: 4436222 (1984-03-01), Taylor et al.
patent: 4874112 (1989-10-01), Mulder et al.
patent: 4948011 (1990-08-01), Mueller et al.
patent: 5012952 (1991-05-01), Franz
McClure Charles A.
Skaggs H. Grant
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