US Patent:
20080116016, May 22, 2008
Inventors:
Andrew Darnley, III - El Dorado Hills CA, US
Scott P. Allen - Placerville CA, US
Thomas J. Darnley - Queensbury NY, US
International Classification:
B66B 1/34
Abstract:
An improved dumbwaiter system that incorporates an LCD display which is connected to the system controller that provides installation and troubleshooting assistance in addition to standard operating information. The system teaches means for switching between manual and automatic modes within a standard operational configuration. The dumbwaiter of the present invention can switch into a manual mode by using the standard configuration, after the user enters a sequence of keys on a keypad, the LCD display will indicate the switch to manual mode and will confirm that appropriate safeties are in place prior to moving the car. The present invention also includes an interface to enable the dumbwaiter to operation in conjunction with other electronically controlled household amenities. The dumbwaiter is also supplied with a complimentary laundry basket and rolling cart. The baskets and carts are designed in such a manner to integrated with the cab of the dumbwaiter.