US2900631A - Centering and mounting means for cathode ray tubes and the like - Google Patents

Centering and mounting means for cathode ray tubes and the like Download PDF

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Publication number
US2900631A
US2900631A US520209A US52020955A US2900631A US 2900631 A US2900631 A US 2900631A US 520209 A US520209 A US 520209A US 52020955 A US52020955 A US 52020955A US 2900631 A US2900631 A US 2900631A
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struts
mounting means
tubular member
cathode ray
centering
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US520209A
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John W Love
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/64Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/645Mounting of picture tube on chassis or in housing

Definitions

  • This invention relates to an improved arrangement for resiliently supporting an elongated member such as the neck of a cathode ray tube.
  • Yet another object of this invention is to provide an improved support for cathode ray tubes which automatically adapts to variations in tube dimensions.
  • a tubular supporting member is formed with a plurality of mounting means (apertures in one form of the invention) in opposite end portions thereof.
  • the mounting means are equiangularly spaced from one another.
  • a like plurality of flexible struts disposed in the tubular member are secured at opposite end portions thereof to corresponding ones of the mounting means.
  • the struts are arranged relative to the mounting means so that they surround and lie at the same acute angle to the longitudinal axis of the tubular member.
  • Figure l is a plan, partially cut-away view of a preferred embodiment of the invention.
  • Figure 2 is a cross-sectional view taken along line 22 of Figure 1;
  • Figure 3 is a plan, partially cut-away view of the embodiment of the invention shown in Figure 1, with a cathode ray tube in place in the mounting arrangement; and
  • Figure 4 is a cross-section along section line 44 of Figure 3.
  • three struts 13, 15 and 17 are located within a hollow cylinder 11.
  • the cylinder 11 may be part of the shield for a cathode ray tube, such as those used in television receivers, or may simply be a piece of hollow tubing, preferably but not necessarily, circular in cross-section.
  • the cylinder is rigidly fixed to the chassis by any well-known supporting means, such as a clamp, bracket or the like. This is illustrated in the figure by symbol 14.
  • the struts 13, 15 and 17 extend in a generally longitudinal direction, making an acute angle with any line parallel to the longitudinal axis of the cylinder 11.
  • Fig. 2 In cross-section (Fig. 2) the wall of cylinder 11 appears as a circle and the struts 13, 15 and 17 appear as equal chords of the circle.
  • the apparent intersections e ce 23, 25 and 27 of the chords form the points of a triangle into which the object to be supported is inserted;
  • the struts 13, 15 and 17 may be constructed of resilient material, such as spring steel wire, bronze wire, or rubber, for example. If metal is employed, the ends 21 and 31 of the struts are bent ( Figure 1) and inserted through holes 16 and 36 in respective opposite end portions of the cylinder 11. After installation, the struts straighten out as shown in Figure 1. If the struts 13, 15 and 17 are made of material such as rubber, the ends may be firmly secured by hooks, clamps or the like to the respective opposite end portions of the cylinder Wall.
  • Figs. 3 and 4 The way in which the resilient struts 13, 15 and 17 are deformed by the insertion of an object, such as the neck 19 of a cathode ray tube, is illustrated in Figs. 3 and 4.
  • the struts 13, 15 and 17 curve around the neck 19, and by resilient action, firmly clamp the neck 19 in place.
  • tubular member may be square, oval or of other crosssectional configuration.
  • a supporting structure for the neck of a cathode ray tube comprising a tubular member formed with a given plurality of mounting means equi-angularly spaced from one another relative to the axis of said member at one end portion of said tubular member, and a like plurality of mounting means equi-angularly spaced from one another relative to the axis of said member at the opposite end portion of said tubular member; and a plurality of flexible struts, equal in number to said first plurality of mounting means, each supported at one end theerof by one of the mounting means at one end portion of the tubular member and at the other end thereof by one of the mounting means at the other end portion of said tubular member, said struts positioned entirely within said tubular member intermediate said strut ends, successive ones of said-struts being mounted to successive ones of said mounting means, and each of said struts being at the same acute angle with the axis of said tubular member.
  • tubular member comprises a rigid, elongated, hollow cylinder.
  • a rigid tubular member formed with a given plurality of mounting means equi-angularly spaced from one another relative to the axis of said m6II1-- her at one end portion of said member, and a like plurality of mounting means equi-angularly spaced from one another relative to the axis of said member at the opposite end portion-of said member; and'a; plurality of substantially straight wires; formed of spring metal; equal in number ta said first plurality of mounting means, each.
  • a supporting structure'for an elongated object comprising, in combination, a rigid tubular member having a central longitudinal axis, said tubular member having formed on eachend thereof at least three apertures; spaced circumferentially about said member, the aper- .tures. at opposite ends of the member being displaced relative to each other along.
  • each stnlt member being bent substantially S-shaped and positioned in a longitudinal disposed pair of-apertures whereby the strut members are positioned within the tubular member at an'an gle to the longitudinal axisof the tubular member, sai'd'strut members being spaced, intermediate their ends from the interior surfaceof the tubular memberfor resiliently supporting a member'positionedtherebetween.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Description

Aug. 18, 1959 J. W. LOVE CENTERING AND MOUNTING MEANS FOR CATHODE RAY TUBES AND THE LIKE Filed July 6, 1955 IN V EN TOR.
Jay/v W [0% @5 United States Patent CENTERING AND MOUNTING MEANS FOR CATHODE RAY TUBES AND THE LIKE assignments, to the'United States of America as represented by the Secretary of the Air Force Application July 6, 1955, Serial No. 520,209
6 Claims. (Cl. 340-367) This invention relates to an improved arrangement for resiliently supporting an elongated member such as the neck of a cathode ray tube.
It is a general object of the present invention to provide a mounting arrangement for a tubular element, such as a cathode ray tube or the like, which is simple, efficient and inexpensive.
It is another object of the invention to provide an improved resilient mounting which automatically centers in the mounting the device to be supported.
Yet another object of this invention is to provide an improved support for cathode ray tubes which automatically adapts to variations in tube dimensions.
According to the invention, a tubular supporting member is formed with a plurality of mounting means (apertures in one form of the invention) in opposite end portions thereof. In a preferred form of the invention the mounting means are equiangularly spaced from one another. A like plurality of flexible struts disposed in the tubular member are secured at opposite end portions thereof to corresponding ones of the mounting means. The struts are arranged relative to the mounting means so that they surround and lie at the same acute angle to the longitudinal axis of the tubular member.
When an object, such as the neck of a cathode ray tube, is inserted into the tubular member, it forces the struts apart. The struts center and resiliently hold the tubular member.
The invention will be described in greater detail with reference to the accompanying drawing in which similar reference characters apply to similar elements, and in Which:
Figure l is a plan, partially cut-away view of a preferred embodiment of the invention;
Figure 2 is a cross-sectional view taken along line 22 of Figure 1;
Figure 3 is a plan, partially cut-away view of the embodiment of the invention shown in Figure 1, with a cathode ray tube in place in the mounting arrangement; and
Figure 4 is a cross-section along section line 44 of Figure 3.
Referring to Figure 1, three struts 13, 15 and 17 are located within a hollow cylinder 11. The cylinder 11 may be part of the shield for a cathode ray tube, such as those used in television receivers, or may simply be a piece of hollow tubing, preferably but not necessarily, circular in cross-section. The cylinder is rigidly fixed to the chassis by any well-known supporting means, such as a clamp, bracket or the like. This is illustrated in the figure by symbol 14. The struts 13, 15 and 17 extend in a generally longitudinal direction, making an acute angle with any line parallel to the longitudinal axis of the cylinder 11.
In cross-section (Fig. 2) the wall of cylinder 11 appears as a circle and the struts 13, 15 and 17 appear as equal chords of the circle. The apparent intersections e ce 23, 25 and 27 of the chords form the points of a triangle into which the object to be supported is inserted;
The struts 13, 15 and 17 may be constructed of resilient material, such as spring steel wire, bronze wire, or rubber, for example. If metal is employed, the ends 21 and 31 of the struts are bent (Figure 1) and inserted through holes 16 and 36 in respective opposite end portions of the cylinder 11. After installation, the struts straighten out as shown in Figure 1. If the struts 13, 15 and 17 are made of material such as rubber, the ends may be firmly secured by hooks, clamps or the like to the respective opposite end portions of the cylinder Wall.
When an object is inserted between the struts 13, 15 and 17, they are bowed outwardly toward the cylinder wall 11 (Fig. 3). The bent end portions 21 and 31 of the struts engage the edges of their respective mounting apertures and this prevents the struts from working free.
The way in which the resilient struts 13, 15 and 17 are deformed by the insertion of an object, such as the neck 19 of a cathode ray tube, is illustrated in Figs. 3 and 4. The struts 13, 15 and 17 curve around the neck 19, and by resilient action, firmly clamp the neck 19 in place.
For perfect centering of an object within the cylinder 11, symmetrical spacing of the struts 13, 15 and 17 is required, so that the triangle formed by the strut sides, as viewed in Fig. 2, symmetrically encloses the longitudinal axis of the cylinder 11.
Greater pressure can be exerted on the supported object if the struts 13, 15 and 17 are arranged to form a triangle, as viewed from one end of the supporting member, which is somewhat smaller in cross-section than the object to be inserted therein for mounting.
Although a form of the invention employing only 3 struts is illustrated, the invention is equally applicable to the use of 4, 5 or more such struts. Moreover, the tubular member may be square, oval or of other crosssectional configuration.
What is claimed is:
1. A supporting structure for the neck of a cathode ray tube comprising a tubular member formed with a given plurality of mounting means equi-angularly spaced from one another relative to the axis of said member at one end portion of said tubular member, and a like plurality of mounting means equi-angularly spaced from one another relative to the axis of said member at the opposite end portion of said tubular member; and a plurality of flexible struts, equal in number to said first plurality of mounting means, each supported at one end theerof by one of the mounting means at one end portion of the tubular member and at the other end thereof by one of the mounting means at the other end portion of said tubular member, said struts positioned entirely within said tubular member intermediate said strut ends, successive ones of said-struts being mounted to successive ones of said mounting means, and each of said struts being at the same acute angle with the axis of said tubular member.
2. A supporting structure as set forth in claim 1, wherein said struts are formed of spring metal and wherein there are at least three mounting means at each end portion of said tubular member.
3. A supporting structure as set forth in claim 1, wherein said tubular member comprises a rigid, elongated, hollow cylinder.
4. A supporting structure as set forth in claim 3, wherein said supporting means comprise apertures formed in said tubular member and said struts comprise resilient members.
5. In combination, a rigid tubular member formed with a given plurality of mounting means equi-angularly spaced from one another relative to the axis of said m6II1-- her at one end portion of said member, and a like plurality of mounting means equi-angularly spaced from one another relative to the axis of said member at the opposite end portion-of said member; and'a; plurality of substantially straight wires; formed of spring metal; equal in number ta said first plurality of mounting means, each. supported at one end thereof by one of' the mount ing means at one endv portion of the tubular member, and at the other end thereof by one oi the mounting means at the other end portion of said tubular member, said wires positioned entirely within said tubular member intermediate said wire ends, successive ones of. said wires being mounted to successive one of said mounting means, and each of said wires being at the same acute angle to the axis of said tubular member.
6. A supporting structure'for an elongated object comprising, in combination, a rigid tubular member having a central longitudinal axis, said tubular member having formed on eachend thereof at least three apertures; spaced circumferentially about said member, the aper- .tures. at opposite ends of the member being displaced relative to each other along. said longitudinal axis, a plurality of straight resilient strut members disposed within said tubular member, the ends of each stnlt member being bent substantially S-shaped and positioned in a longitudinal disposed pair of-apertures whereby the strut members are positioned within the tubular member at an'an gle to the longitudinal axisof the tubular member, sai'd'strut members being spaced, intermediate their ends from the interior surfaceof the tubular memberfor resiliently supporting a member'positionedtherebetween.
References Cited inthe-file' of this patent UNITED STATES PATENTS
US520209A 1955-07-06 1955-07-06 Centering and mounting means for cathode ray tubes and the like Expired - Lifetime US2900631A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107966A (en) * 1958-02-28 1963-10-22 Curtiss Wright Corp Electrical connector socket
US3141723A (en) * 1960-01-20 1964-07-21 Curtiss Wright Corp Electric couplings
US3229356A (en) * 1959-02-24 1966-01-18 Curtiss Wright Corp Method of making connector socket
US6102746A (en) * 1999-04-30 2000-08-15 Hypertronics Corporation Coaxial electrical connector with resilient conductive wires
US6464546B2 (en) * 2000-08-17 2002-10-15 Smiths Group Plc Electrical contacts
US6767260B2 (en) 2002-02-28 2004-07-27 Qa Technology Company, Inc. Hyperboloid electrical contact
US20040180563A1 (en) * 2003-03-10 2004-09-16 Christopher Coughlan Socket contact with integrally formed arc arresting portion
US20210257792A1 (en) * 2020-02-14 2021-08-19 Cardiac Pacemakers, Inc. Contact for a medical connector assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191022775A (en) * 1910-10-01 1911-08-10 Haydn Thies Harrison Improved Means for Supporting Electric Lamps.
US1499217A (en) * 1920-12-15 1924-06-24 Hibbard Hermon Alexander Electrical connecter
US2515592A (en) * 1945-09-04 1950-07-18 John B Cruze Framework to snap over electric light bulbs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191022775A (en) * 1910-10-01 1911-08-10 Haydn Thies Harrison Improved Means for Supporting Electric Lamps.
US1499217A (en) * 1920-12-15 1924-06-24 Hibbard Hermon Alexander Electrical connecter
US2515592A (en) * 1945-09-04 1950-07-18 John B Cruze Framework to snap over electric light bulbs

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107966A (en) * 1958-02-28 1963-10-22 Curtiss Wright Corp Electrical connector socket
US3229356A (en) * 1959-02-24 1966-01-18 Curtiss Wright Corp Method of making connector socket
US3141723A (en) * 1960-01-20 1964-07-21 Curtiss Wright Corp Electric couplings
US6102746A (en) * 1999-04-30 2000-08-15 Hypertronics Corporation Coaxial electrical connector with resilient conductive wires
US6464546B2 (en) * 2000-08-17 2002-10-15 Smiths Group Plc Electrical contacts
US6767260B2 (en) 2002-02-28 2004-07-27 Qa Technology Company, Inc. Hyperboloid electrical contact
US20040237301A1 (en) * 2002-02-28 2004-12-02 Qa Technology Company, Inc. Hyperboloid electrical contact
US7191518B2 (en) 2002-02-28 2007-03-20 Qa Technology Company, Inc. Method of making a hyperboloid electrical contact
US20040180563A1 (en) * 2003-03-10 2004-09-16 Christopher Coughlan Socket contact with integrally formed arc arresting portion
US6848922B2 (en) * 2003-03-10 2005-02-01 Hypertronics Corporation Socket contact with integrally formed arc arresting portion
US20210257792A1 (en) * 2020-02-14 2021-08-19 Cardiac Pacemakers, Inc. Contact for a medical connector assembly
US11682872B2 (en) * 2020-02-14 2023-06-20 Cardiac Pacemakers, Inc. Contact for a medical connector assembly

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