Patent ID: 7431141

Claim:
In a conveyor system for conveying a basket or rack through a chamber, a system for stopping a rack at a predetermined location along said conveyor, said system comprised of: a rocker device mounted relative to said chamber, said rocker device having a first normal position wherein said rocker device is movable from said first normal position when said rack engages said rocker device, said rocker device have an upper arm and a lower arm, said rocker device rotatable about an axis disposed between said upper arm and said lower arm; a magnet disposed on said lower arm of said rocker device; a sensing element aligned with said magnet when said rocker device is in said first normal position, said sensing element operable to provide a signal to a system controller; a stop mounted relative to said chamber, said stop rotatable from a first position to a second position, said stop having a tab dimensioned to engage said rack in said conveyor system when said stop is in said first position, said tab not engaging said rack when said stop is in said second position; a means of actuating said stop, said means movably connected to said stop, said means operable to move said stop between said first position and said second position; and said system controller operable to control said means of actuating based on a signal from said sensing element.