.~ Including mechanism (e.g., auxiliary key-board) for activating keys {3}
474
.~.~ Electromagnetic key-board-drive mechanism
DEFINITION
Classification: 400/474
Electromagnetic key-board-drive mechanism:
(under subclass 473) Subject matter wherein said means includes components that are moved by electromagnetic force to press the key* elements successively.
(1) Note. This subclass is for an auxiliary key-board* wherein pressing the key elements of the auxiliary key-board causes electromagnetic components to press the corresponding key elements of the typewriter. See subclass 479.2 for a keyboard wherein pressing of the key elements moves an electromagnetic component to effect movement of a corresponding key lever.
