Solenoid operated type head setting arrangement

Claim 2

A setting arrangement comprising, in combination, an element having opposite ends and being movable in opposite directions for being set to one of a number of control positions; a set of first setting means and a set of second setting means, pairs of first and second setting means being symmetrically disposed at said opposite ends of said element, the first and second setting means of one pair being connected with said ends of said element, respectively; a set of first operating means and a set of second operating means respectively controlling said first and second setting means so that each actuated first operating means moves the respective first setting means in one direction, and each actuated second operating means moves the respective second setting means in the opposite direction; first and second supporting means for movably mounting said first and second setting means and for stationarily mounting said first and second operating means, respectively; and means for limiting the movements of said first and second setting means so that the first and second setting means of each pair make steps of the same length, and different pairs make steps of different lengths selected in accordance with a code whereby by simultaneous actuation of selected first and second operating means belonging to different pairs, selected first and second setting means are moved for displacing said element to a selected control position a distance whose length is the total of the lengths of the steps made by selected first setting means in one direction and by selected second setting means in the opposite direction, said means for limiting comprising a hollow shaft connecting the innermost pair of first and second setting means which are located adjacent said element, and at least one other shaft located in said hollow shaft for axial movement and connecting another pair of first and second setting means located outward of said innermost pair of first and second setting means.

Claim 3

An electromagnetic setting arrangement comprising, in combination, an element having opposite ends and being movable in opposite directions for being set to one of a number of control positions; a set of first cores and a set of second cores, pairs of first and second cores being symmetrically disposed at said opposite ends of said element, the first and second cores of the innermost pair being connected with said ends of said element, respectively; a set of electromagnetic first windings and a set of electromagnetic second windings respectively controlling said first cores and said second cores so that each energized first winding moves the respective controlled first core in one direction, and each energized second winding moves the respective controlled second core in the opposite direction; first and second supporting means for movably mounting said first and second cores and for stationarily mounting said first and second windings, respectively; stop means for limiting the movements of said first and second cores so that the first and second cores of each pair make steps of the same length, and different pairs make steps of different length selected in accordance with a code whereby by simultaneous energization of selected first and second windings belonging to different pairs and deenergization of the first and second windings forming pairs with energized first and second windings, selected first and second cores of selected first and second windings are moved for displacing said element to a selected control position a distance whose length is the total of the lengths of the steps made by selected first cores in one direction and by selected second cores in the opposite direction, said stop means including first and second coupling stops connecting adjacent first and adjacent second cores, respectively, pairs of first and second coupling stops having different lengths in accordance with said code, and the first and second coupling stops of the same pair having the same length, said stop means further including first and second abutments on said supporting means cooperating with said first and second cores.

Claim 4

An electromagnetic setting arrangement comprising, in combination, an element having opposite ends and being movable in opposite directions for being set to one of a number of control positions; a set of first cores and a set of second cores, pairs of first and second cores being symmetrically disposed at said opposite ends of said element, the first and second cores of the innermost pair being connected with said ends of said element, respectively; a set of electromagnetic first windings and a set of electromagnetic second windings respectively controlling said first cores and said second cores so that each energized first winding moves the respective controlled first core in one direction, and each energized second winding moves the respective controlled second core in the opposite direction; first and second supporting means for movably mounting said first and second cores and for stationarily mounting said first and second windings, respectively; stop means for limiting the movements of said first and second cores so that the first and second cores of each pair make steps of the same length, and different pairs make steps of different length selected in accordance with a code whereby by simultaneous energization of selected first and second windings belonging to different pairs and deenergization of the first and second windings forming pairs with energized first and second windings, selected first and second cores of selected first and second windings are moved for displacing said element to a selected control position a distance whose length is the total of the lengths of the steps made by selected first cores in one direction and by selected second cores in the opposite direction, said stop means including first and second coupling stops connecting adjacent first and adjacent second cores, respectively, pairs of first and second coupling stops having different lengths in accordance with said code, and the first and second coupling stops of the same pair having the same length, said stop means further including first and second abutments on said supporting means cooperating with said first and second cores.

Claim 5

Electromagnetic setting arrangement as claimed in claim 2 wherein each first and second core is hollow and has an inner flange; and wherein each first and second coupling stop projects into a hollow first and second core, respectively, and has an outer flange cooperating with said inner flange of the same; wherein the first and second cores of the innermost pair of first and second cores are connected with the ends of said element, respectively, and the outermost pair of first and second cores cooperates with said first and second abutments, respectively.

Claim 6

Electromagnetic setting arrangement as claimed in claim 3 wherein each first and second stop means projects from the respective core inward toward said element and into the respective adjacent core.