Registers – Voting machines – Key operated
Patent
1975-08-05
1977-05-10
Jackmon, E. S.
Registers
Voting machines
Key operated
G07C 1300
Patent
active
040230090
ABSTRACT:
A mechanical voting machine can be easily adapted to operate in a selective primary. The selective primary mechanism includes at least two party selector spindles each having a bell crank with a lug which engages an associated ladder channel at the top and bottom of a small opening therein. Columns of voting spindles are interconnected in groups so that the ladder channels of each group are moved up and down in unison. Pull straps connect each group of columns to a primary election interlock so that movement of one of the straps in a direction corresponding with an unlocking movement of a group of ladder channels immobilizes the other straps in the primary election interlock.
REFERENCES:
patent: 750987 (1904-02-01), Loe
patent: 3408002 (1968-10-01), Martin
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