Mounting assembly for magnetic deflection yoke

Claim 2

A deflection yoke assembly including a magnetic yoke, means for mounting the yoke relative to the axis of the neck of a cathode-ray tube, means to adjust the rotational angular position component of said yoke relative to said axis, means to axially adjust the axial position component of said yoke relative to said axis, said rotational aNgular and axial adjustment means being adapted to maintain the yoke in a fixed relationship relative to said axis during adjustment of the other components of position thereof, said mounting means including an annular nonmagnetic body and a plurality of pad members symmetrically disposed and extending axially outwardly in diverging relation to one end of said body and adapted to engage and fasten said mounting means to said tube in symmetrical arrangement around the neck of said cathode-ray tube, said means to axially adjust said yoke including a plurality of arms integrally extending from said body in an axial direction opposite said pad members, said arms including axially extending control means, an annular nonmagnetic means rotatably mounted on in juxtaposed relation to said arms and axially fixed relative thereto, a plurality of helically disposed slot means in said annular means, clamp means adjustably mounted on said yoke, said clamp means including a plurality of radially extending means adapted to extend between and communicate with said control means and said helical slot means whereby rotation of said annular means moves said radially extending means relative to said control means and thus moves said yoke axially relative to said assembly.

Claim 3

A device of the type claimed in claim 1 wherein said assembly includes means to adjustably fix the canted angular relationship of the yoke relative to said axis.

Claim 4

A device of the type claimed in claim 1 wherein at least one of said helical slot means is located in a segment of said annular means which is axially adjustable relative to the remainder of said annular means whereby said clamp and yoke can be adjustably skewed relative to the axis of said cathode-ray tube.

Claim 5

A device of the type claimed in claim 1 wherein said arms are provided with mounting means at a point spaced from said body, an apertured workpiece adapted to be accepted by said mounting means for mounting additional components on said workpiece relative to said tube neck.

Claim 6

A device of the type claimed in claim 4 wherein said mounting means includes shoulder means at the extremity of each arm, laterally disposed hook means extending outwardly from said shoulder means, said apertures in said workpiece comprising circumferentially disposed slot means including means for cooperating with said hook means to adjustably mount said workpiece juxtaposed to said shoulder means.

Claim 7

A device of the type claimed in claim 4 wherein said mounting means includes web means interconnecting the free ends of said arms, fastener means providing abutments in opposition to said web means for cooperative mounting of said apertured workpiece in spaced relation to said yoke.

Claim 8

A device of the type claimed in claim 1 wherein said means to fix the angular relationship of the yoke includes an adjustably split ring clamp having means to grippingly engage said yoke, said clamp having means adapted to be angularly fixed and axially adjustably relative to said mounting means and thereby control movement of said yoke solely to axial movement relative to said mounting means.

Claim 9

A device of the type claimed in claim 7 wherein said clamp means to grip said yoke includes an adjustment means to cause the split ring clamp to close and restrain the yoke against rotation.

Claim 10

A device of the type claimed in claim 7 wherein said clamp means to grip said yoke includes an annular inner clamp fixedly mounted in said yoke, an outer clamp encircling said inner clamp and said clamp having cooperative means to permit rotational movement between said clamps but to prevent axial movement therebetween, thereby permitting intended angular adjustment of said yoke.

Claim 11

A device of the type claimed in claim 9 wherein said clamp means encircles the waist of said yoke, said inner clamp being a split ring having means to adjust the compressive gripping of said clamp on said yoke, said cooperative means including a plurality of laterally extending tab means circumferentially spaCed around said clamp along opposite edges thereof, said outer clamp adapted to be positioned between the tabs extending from the opposite edges of said inner clamp, said outer clamp being split and having means to adjust the compressive gripping relative to said inner ring and thereby control the angular relation therebetween, said outer clamp having a plurality of radially outwardly extending means for cooperative association with said mounting means and adapted to restrain said outer clamp and its associated yoke from rotation relative to said mounting means but to permit axial movement relative to said mounting means.

Claim 12

A deflection yoke assembly of the type claimed in claim 1 wherein said mounting means includes an annular nonmagnetic body encircling said yoke, a plurality of circumferentially spaced padlike members extending axially and angularly outwardly from one end of said body and adapted to contact said tube and locate said body relative to said tube, a plurality of circumferentially spaced armlike means extending axially from the opposite end of said body, an annular ring having helically disposed slots therein positioned adjacent and coaxial with said arm means and body, axially fixed means extending laterally from said arms and cooperative with said helical slots whereby said ring moves axially relative to said arms when rotated, apertured means traversing one end, and axially fixed and rotatable relative to said ring, said arms cooperable with said apertured means to prevent rotation thereof, means associated with said yoke for mounting same on said apertured means whereby rotation of said ring results in axial but no rotational movement of said yoke.

Claim 13

A device of the type set forth in claim 11 wherein said means for mounting said yoke on said apertured means includes slot means for adjusting the angular position of said yoke relative to the axis of said tube.

Claim 14

A deflection yoke assembly including magnetic yoke means, means for mounting the yoke relative to the axis of the neck of a cathode-ray tube, means to rotationally adjust said yoke to a fixed angular position relative to said axis, means to axially adjust said yoke relative to said axis, said rotational and axial adjustment means being adapted to maintain said yoke in a fixed angular relationship relative to said axis during all axial adjustment thereof, said mounting means including a nonmagnetic annular ring defining a body adapted to encircle said yoke and having a plurality of padlike members extending axially and diverging outwardly from one end of said ring, said padlike members adapted to contact said cathode-ray tube adjacent said neck and to locate said body in a fixed coaxial relationship relative to said neck, a plurality of circumferentially spaced arm means extending axially from the opposite end of said body, said arm means each including control means extending axially therein, said control means each being defined by an axially extending slot which traverses said body and extends a substantial portion of the length of one of said arm means, a nonmagnetic ring including a plurality of circumferentially spaced helically disposed slot means, said ring being adapted to encircle said arm means with the slots in said ring being in communication with the slots in said arm means, means axially spaced along said arms to axially retain said ring in rotatable mounted relation thereon, clamp means encircling said yoke and adjustably fixed relative thereto, said clamp means including a plurality of substantially rigid radially extending means communicating with the control slot means of said arms and the helically disposed slots in said ring, said combination of said radially extending rigid means with the control slots of said arms and said helically disposed slots in the ring defining the means to axially adjust said yoke relative to said axis whereby upon rotation of said ring with its helical slots said substantially rigid radially extending means will be moved axially within thE control slots of said arms, said adjustably clamp means encircling said yoke defining the means to rotationally adjust the angular relationship of said yoke relative to said axis and said control slots in said arms maintaining the yoke in fixed angular relationship relative to said axis during axial adjustment thereof.

Claim 15

A deflection yoke assembly including magnetic yoke means, means for mounting the yoke relative to the axis of the neck of a cathode-ray tube, means to rotationally adjust said yoke to a fixed angular position relative to said axis, means to axially adjust said yoke relative to said axis, said rotational and axial adjustment means being adapted to maintain said yoke in a fixed angular relationship relative to said axis during all axial adjustment thereof, said mounting means including a nonmagnetic annular ring defining a body adapted to encircle said yoke and having a plurality of padlike members extending axially and diverging outwardly from one end of said ring, said padlike members adapted to contact said cathode-ray tube adjacent said neck and to locate said body in a fixed coaxial relationship relative to said neck, a plurality of circumferentially spaced arm means extending axially from the opposite end of said body, said arm means each including control means extending axially therein, said control means each being defined by an axially extending slot which traverses said body and extends a substantial portion of the length of one of said arm means, a nonmagnetic ring including a plurality of circumferentially spaced helically disposed slot means, said ring being adapted to encircle said arm means with the slots in said ring being in communication with the slots in said arm means, means axially spaced along said arms to axially retain said ring in rotatable mounted relation thereon, clamp means encircling said yoke and adjustably fixed relative thereto, said clamp means including a plurality of substantially rigid radially extending means communicating with the control slot means of said arms and the helically disposed slots in said ring, said combination of said radially extending rigid means with the control slots of said arms and said helically disposed slots in the ring defining the means to axially adjust said yoke relative to said axis whereby upon rotation of said ring with its helical slots said substantially rigid radially extending means will be moved axially within thE control slots of said arms, said adjustably clamp means encircling said yoke defining the means to rotationally adjust the angular relationship of said yoke relative to said axis and said control slots in said arms maintaining the yoke in fixed angular relationship relative to said axis during axial adjustment thereof.

Claim 16

A device of the type claimed in claim 13 wherein said arms at their free extremities spaced from said body are provided with mounting means and an apertured workpiece adapted to be accepted by said arm mounting means said workpiece adapted to accept additional electronic components to be maintained relative to said tube neck in axially spaced relation to said yoke.

Claim 17

A device of the type claimed in claim 14 wherein said mounting means includes shoulder means against which said apertured workpiece abuts and laterally disposed hook means extending outwardly from said shoulder means, said apertures in said workpiece including circumferentially disposed slot means including means for cooperating with said hook means to rotatably and adjustably mount said workpiece juxtaposed to said shoulder means.

Claim 18

A device of the type claimed in claim 14 wherein said mounting means includes web means interconnecting the free ends of said arms and fastener means providing abutments in spaced opposition to said web means for cooperative mounting of said apertured workpiece in spaced relation to said yoke.

Claim 19

A device of the type claimed in claim 13 wherein said body includes a plurality of circumferentially spaced resilient means which are adapted to bear against the periphery of said yoke and to center said yoke relative to said body whereby location of said body and mounting means relative to said tube neck axis will automatically locate said yoke in predetermined orientation relative to said axis.

Claim 20

A device of the type claimed in claim 13 wherein said ring is provided with means to facilitate rotation thereof and at least some of said helically disposed slots having said slots communicating with one edge of said ring, one or more of the balance of the said slots not communicating with the edge of said ring and being adapted to provide access to the means for adjusting the clamp means around said yoke, at least one of said radially extending substantially rigid means having means for adjustably fixing said radially extending means relative to said ring to retain the yoke in fixed axial position.

Claim 21

A device of the type claimed in claim 13 wherein said clamp means for encircling said yoke includes an inner clamp fixedly mounted relative to said yoke and an outer clamp encircling said inner clamp and rotatably adjustable but axially fixed relative to said inner clamp, said outer clamp supporting said plurality of radially extending substantially rigid members, at least one of said radial members including adjustable means for cooperating with said ring to adjustably fix said clamp relative to said ring to thereby restrain said yoke against movement.

Claim 22

A device of the type claimed in claim 13 wherein said padlike members include on the surface thereof opposite said body an adhesive material to fixedly attach said mounting means on the external surface of the cathode-ray tube adjacent said neck.

Claim 23

A device of the type claimed in claim 1 wherein said means for mounting the yoke includes means to permit said yoke to be adjustably skewed relative to the axis of the said cathode-ray tube and to maintain said skewed relation during axial or rotational adjustment of said yoke.