Dishwasher additive dispenser having a timer controlled cam mech

Details Dishwasher additive dispenser having a timer controlled cam mech Dishwasher additive dispenser having a timer controlled cam mech

1977-05-20

1979-04-17

Spar, Robert J.

Dispensing

Simulations

Firearms

134 93, B67D 508

Patent

active

041496558

ABSTRACT:
A dishwashing apparatus having a dispenser operable at a preselected time in the dishwashing cycle for dispensing a treating additive such as detergent. The dispenser is arranged so that in response to a timer controlled cam a spring biased shaft to which the dispenser cover is mounted is released and the cover swings away from the dispenser container opening. The shaft is integral with the cover handle and a detent member. A cam follower operatively interconnects the timer controlled cam and the detent member and holds the detent member from rotating when the cover has properly sealed the dispenser container. The cam follower is slotted at one end and has a spring member attached thereto enabling it to pivot about its point of contact with the timer-controlled cam, said spring providing the engaging force necessary to hold the detent member and also serving to hold the cam follower into engagement with the timer controlled cam. The apparatus is designed to permit optimum opening and closing torque while simultaneously provided for effective operation under maximum manufacturing and assembly tolerance conditions.

REFERENCES:
patent: 3102664 (1963-09-01), Lines
patent: 3125249 (1964-03-01), Kendt
patent: 3199733 (1965-08-01), Perl
patent: 3344957 (1967-10-01), Duncan et al.
patent: 3419192 (1968-12-01), Wrightenberry
patent: 3426944 (1969-02-01), French
patent: 3811600 (1974-05-01), Allison et al.

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