US3575370A - Snap-in mounting for loudspeakers and the like - Google Patents

Snap-in mounting for loudspeakers and the like Download PDF

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US3575370A
US3575370A US854056A US3575370DA US3575370A US 3575370 A US3575370 A US 3575370A US 854056 A US854056 A US 854056A US 3575370D A US3575370D A US 3575370DA US 3575370 A US3575370 A US 3575370A
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Prior art keywords
panel
fastener
frame
finger
indentations
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Expired - Lifetime
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US854056A
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William J Morris
Robert C Simmons
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Space Systems Loral LLC
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Philco Ford Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/34—Combined diverse multipart fasteners
    • Y10T24/3484—Hook
    • Y10T24/3485—Hook and hook
    • Y10T24/3489—Hook and hook having securing means

Definitions

  • each fastener includes a pair of fingers for resilient engagement with the loudspeaker frame.
  • the fingers are serrated in lower outside portions thereof, for holding edge portions of the speaker frame.
  • the serrations on the two fingers of each pair are formed in mutually staggered locations, differently spaced from the supporting panel. This arrangement allows easy and proper snapping-in of speakers, even when the speakers have peripheral gaskets of substantially different thickness, or when the mounting panel is warped.
  • FIG. II is a side view, and FIG. 2 a perspective rear view, of an embodiment of the invention.
  • FIG. 3 is an enlarged plan view of a detail from FIG. 2.
  • FIG. 4i is a section through the structure of FIG. 3, taken along line 6-4.
  • FIG. 5 is a side view similar to FIG. I but showing the panel and speaker disassembled.
  • FIG. 6 is a diagram schematically showing the relationship between the mentioned serrations, with respect to their relative elevations.
  • panel III is arranged to support loudspeaker L.
  • the panel which can be made from synthetic plastic material, has a series of fasteners III, 12, I3, Ml integrally formed on its rear surface, which normally is located within the radio cabinet (not shown).
  • the general positioning of these fasteners on the panel is such as to match the approximate locations and sizes of mounting apertures or slots S of loudspeaker frame F (FIG. 3).
  • the set of fasteners (FIG. 2) can be located in a comer of a panel 10 forming part of the cabinet for a broadcast receiver of the radio or television type, while other panel areas I5 can be used in connection with other elements of the receiver, not shown herein.
  • radio elements comprising a rigid frame can be mounted by fasteners of the type disclosed herein.
  • a region of panel Ill central to the system of fasteners provides an aperture for passing the sound, produced by acoustic membrane A of speaker L under the control of speaker magnet M (FIG. 5).
  • Membrane A has the usual peripheral gasket G.
  • Each fastening unit for example unit III as shown in FIGS. 3 and 4, has a pair of mutually spaced, speaker engaging fingers I17, lib, depending from a bridge 119 which extends across an aperture in panel MI.
  • the bridge is supported by a pair of posts 211, 22 integral with the panel, these posts being formed as upwardly tapering half cylinders, on opposite sides of aperture 20. They extend from the rear surface of the panel in directions generally normal thereto.
  • the panel, posts and bridge advantageously are integral and rigid, whereas fingers i7, i6 and gasket G are resilient.
  • the rigid fastener portions Ml, 211/22, R9 and the resilient fingers 17/116 thereon are provided by suitable dimensioning of the plastic material, of which the entire panel and fastener structure consists. The required techniques are known to persons skilled in the art.
  • the finger structure which resiliently depends from the supporting bridge, has a normal outer profile of downwardlyoutwardly flaring configuration, as is suggested by broken lines l7, 18 (FIG. 4).
  • the finger structure is resiliently compressed when it is engaged by a relatively narrow slot S of frame F (FIG. 3), that is, when the frame is moved onto the fastener and finger structure in a direction normal to the panel (see the broken lines in FIG. 5), in order to mount the speaker on the panel.
  • a slightly different form of engagement is shownwith respect to fastener 12, where the uppermost serrated edge of finger I7" and a lower serration surface of finger I8 engage the frame. As shown in the drawing, this difference is due to the fact that fastener 12 is not exactly aligned with fastener 11 (see the broken horizontal line). Such misalignment can be caused by warping of panel 10 or of frame F. Also, even if fasteners 11 and 12 are aligned, portions of frame F may be spaced at nonuniform distances from surface B due to variations in thickness of the gasket.
  • the snapping-in of the speaker becomes easy even if the speakers have gaskets of different thickness, or of a thickness which varies from place to place on one and the same speaker, or if panels or frames are warped.
  • the resilient fingers of the new structure can be formed by wellknown methods of producing apparatus of plastic material, for example by molding and forming procedures wherein the panel, posts, bridge and fingers are formed in a single operation.
  • the forming process usually entails the use of a forming die element or tool, providing the aforementioned spacing 29 between fingers l7, 18 (FIG. 4).
  • a die can be inserted through aperture 20. Its insertion and use is additionally facilitated by lateral extensions 30, 3] of said aperture, within posts 21, 22, as will be understood upon a review of FIGS. 3 and 4. Additional dies are used to form the outside surfaces of the fasteners and the serrations on the fingers.
  • the width of the serrations on each finger can be, for example, of the order of about one thirty-second inch, and the difference of their spacing from the panel, about one sixty-fourth inch.
  • a finger can be about three-eighths inch long.
  • the entire fastener structure, including support post and bridge, may extend about five-eights inch from the support panel. Of course these dimensions are merely illustrative.
  • Apparatus for use in a broadcast receiver comprising: a panel; a plurality of fastener structures integrally formed on a surface of said panel and extending away from said surface; a plurality of resilient fingers extending from each fastener structure to the panel, each finger having indentations formed terminally thereon; and a loudspeaker engaged by such indentations to secure it to said fastener structure, said loudspeaker having slots in its frame, located and dimensioned to match the locations of the fastener structures on said panel and resiliently to deflect the fingers when the loudspeaker is mounted on the panel; the spacing of such indentations from said panel being different on one finger of a fastener from the spacing of such indentations on another finger of the same fastener.
  • Mounting apparatus comprising: a panel; a plurality of fastener structures on a surface of said panel and extending away from said surface; a plurality of resilient fingers extending from each fastener structure to the panel, each finger having indentations formed terminally thereon; and a component mounting frame engaged by such indentations to secure it to such fastener structure, said frame having slots located and dimensioned to match the locations of the fastener structures on said panel and resiliently to deflect the fingers when the frame is mounted on the panel; the spacing of such indentations from said panel being different on one finger of a fastener from the spacing of such indentations On another finger of the same fastener.

Abstract

A mounting device, particularly for use in a radio cabinet. A loudspeaker is fastened to a support panel by specially serrated spring fingers, which allow easy and accurate snapping-in of speakers having gaskets of different thickness.

Description

United States Patent Inventors William J. Morris Woodbury; Robert C. Simmons, Pennsauken, NJ. Appl. No. 854,056 Filed Aug. 29, 1969 Patented Apr. 20, 1971 Assignee Philco-Ford Corporation Philadelphia, Pa.
SNAP-IN MOUNTING FOR LOUDSPEAKERS AND THE LIKE 2 Claims, 6 Drawing Figs.
[15. Cl 248/201, 24/73, 85/5, 248/27, 248/225 Int. Cl. Fl6b 19/00 Field of Search 248/225,
223, 27, 201; 339/126; 85/5; 24/73:.(P), 73 (PF) Primary Examiner-Edward C. Allen Assistant Examiner-.l. Franklin Foss Att0rney-Carl H. Synnestvedt ABSTRACT: A mounting device, particularly for use in a radio cabinet. A loudspeaker is fastened to a support panel by specially serrated spring fingers, which allow easy and accurate snapping-in of speakers having gaskets of different thickness.
' Patented 5 A ril 20, 1971 2 Sheets-Sheet l INVENTORS W/ZZ/AM J, MORE/f ROflE/Q'T C. f/MMU/VI Q l ATTORNEY Patented A ril 20, 1911 I 3,515,310
2 Sheets-Sheet 2 Z4 2f Z8 27 SNAP-IN MO IIN'IIIING FOR LOIJDSFIEAIIGEIRS AND 'IIIHIE LIME BACKGROUND Heretofore loudspeakers were fastened by a variety of mounting structures or small pieces of hardware, which introduced complexity, mainly when the speakers had gaskets of different thickness and when support panels were warped.
NATURE OF THE INVENTION The mounting panel is provided with several fasteners, advantageously integral therewith. In a preferred embodiment of the invention each fastener includes a pair of fingers for resilient engagement with the loudspeaker frame. The fingers are serrated in lower outside portions thereof, for holding edge portions of the speaker frame. According to the invention the serrations on the two fingers of each pair are formed in mutually staggered locations, differently spaced from the supporting panel. This arrangement allows easy and proper snapping-in of speakers, even when the speakers have peripheral gaskets of substantially different thickness, or when the mounting panel is warped.
BRIEF DESCRIPTION OF THE DRAWING FIG. II is a side view, and FIG. 2 a perspective rear view, of an embodiment of the invention. FIG. 3 is an enlarged plan view of a detail from FIG. 2. FIG. 4i is a section through the structure of FIG. 3, taken along line 6-4.
FIG. 5 is a side view similar to FIG. I but showing the panel and speaker disassembled. FIG. 6 is a diagram schematically showing the relationship between the mentioned serrations, with respect to their relative elevations.
DETAILED DESCRIPTION OF THE INVENTION Referring first to FIGS. II and 2, panel III) is arranged to support loudspeaker L. The panel, which can be made from synthetic plastic material, has a series of fasteners III, 12, I3, Ml integrally formed on its rear surface, which normally is located within the radio cabinet (not shown). The general positioning of these fasteners on the panel is such as to match the approximate locations and sizes of mounting apertures or slots S of loudspeaker frame F (FIG. 3). The set of fasteners (FIG. 2) can be located in a comer of a panel 10 forming part of the cabinet for a broadcast receiver of the radio or television type, while other panel areas I5 can be used in connection with other elements of the receiver, not shown herein. Instead of the speaker shown here, other radio elements comprising a rigid frame can be mounted by fasteners of the type disclosed herein. In the illustrated arrangement, a region of panel Ill central to the system of fasteners provides an aperture for passing the sound, produced by acoustic membrane A of speaker L under the control of speaker magnet M (FIG. 5). Membrane A has the usual peripheral gasket G.
Each fastening unit, for example unit III as shown in FIGS. 3 and 4, has a pair of mutually spaced, speaker engaging fingers I17, lib, depending from a bridge 119 which extends across an aperture in panel MI. The bridge is supported by a pair of posts 211, 22 integral with the panel, these posts being formed as upwardly tapering half cylinders, on opposite sides of aperture 20. They extend from the rear surface of the panel in directions generally normal thereto. The panel, posts and bridge advantageously are integral and rigid, whereas fingers i7, i6 and gasket G are resilient. The rigid fastener portions Ml, 211/22, R9 and the resilient fingers 17/116 thereon are provided by suitable dimensioning of the plastic material, of which the entire panel and fastener structure consists. The required techniques are known to persons skilled in the art.
The finger structure, which resiliently depends from the supporting bridge, has a normal outer profile of downwardlyoutwardly flaring configuration, as is suggested by broken lines l7, 18 (FIG. 4). The finger structure is resiliently compressed when it is engaged by a relatively narrow slot S of frame F (FIG. 3), that is, when the frame is moved onto the fastener and finger structure in a direction normal to the panel (see the broken lines in FIG. 5), in order to mount the speaker on the panel.
Upon such motion, the slots in the speaker frame ultimately engage outside areas of the free ends of fingers l7, 18, which are specially serrated in accordance with the invention (FIG. 6). We show successively . lower edges 23, 24, 25 on the tip of finger l7, and generally similar serrations 26, 27, 28 on finger 1h. The indentations are shown as spaced from a common reference plane-a flat back surface B of panel l0by distances which differ from one finger to the other finger of each pair. The difference is indicated as a fraction of the width of one serration. Due to this staggering of serrations, some and only some of the potentially frame engaging serrations on each fastener engage loudspeaker frame F by snapping over the adjacent edges of this frame when the loudspeaker is brought onto the panel. For example, frame F is shown in FIG. 6 as engaged by upper edge 26 of finer 18 but not engaged by any of the edges of finger 117 on fastener Ill, although both fingers are resiliently deflected by the frame.
A slightly different form of engagement is shownwith respect to fastener 12, where the uppermost serrated edge of finger I7" and a lower serration surface of finger I8 engage the frame. As shown in the drawing, this difference is due to the fact that fastener 12 is not exactly aligned with fastener 11 (see the broken horizontal line). Such misalignment can be caused by warping of panel 10 or of frame F. Also, even if fasteners 11 and 12 are aligned, portions of frame F may be spaced at nonuniform distances from surface B due to variations in thickness of the gasket. By means of the new, staggered arrangement of serrations the snapping-in of the speaker becomes easy even if the speakers have gaskets of different thickness, or of a thickness which varies from place to place on one and the same speaker, or if panels or frames are warped.
The resilient fingers of the new structure, complete with their specially staggered serrations, can be formed by wellknown methods of producing apparatus of plastic material, for example by molding and forming procedures wherein the panel, posts, bridge and fingers are formed in a single operation. The forming process usually entails the use of a forming die element or tool, providing the aforementioned spacing 29 between fingers l7, 18 (FIG. 4). Such a die can be inserted through aperture 20. Its insertion and use is additionally facilitated by lateral extensions 30, 3] of said aperture, within posts 21, 22, as will be understood upon a review of FIGS. 3 and 4. Additional dies are used to form the outside surfaces of the fasteners and the serrations on the fingers. The width of the serrations on each finger, formed in accordance with this invention, can be, for example, of the order of about one thirty-second inch, and the difference of their spacing from the panel, about one sixty-fourth inch. A finger can be about three-eighths inch long. The entire fastener structure, including support post and bridge, may extend about five-eights inch from the support panel. Of course these dimensions are merely illustrative.
In order to fasten speaker frame F on support panel 10 (FIG. 5), it is sufficient to bring the speaker onto panel 10, with the hollow side of speaker membrane A forward and facing the panel aperture. The speaker frame then compresses each fastener, by squeezing the two fingers thereof between two sides of one slot in this frame, while gasket G is compressed between frame F and panel 10. The fingers of fastener III are squeezed between two sides of one slot. This part of the operation can be substantially the same for all fasteners. Importantly, only one of the two resilient fingers of each fastener is generally snapped onto the frame, that is, caused to have one or more of its serrations spring back over the surface of the frame. The fastening of the speaker is complete when three or four fingers, on three or four fasteners, have been caused to spring back or snap in. The speaker then resists an attempt to remove it from the panel by simply pulling it away.
It is a matter of indifference which are the exact fingers, or serrations, as to which this snapping-in takes place. Depending on the actual form and dimensions of speaker gasket G (FIGv 4) and also depending on any irregularities or warping in frame F or panel 10, the speaker finds its proper place relative to the panel. The snapping'in can be done in a moment. Adequate pressure on the speaker gasket is automatically established, even if the dimensions and proportions of the several parts be somewhat irregular.
in order to remove the speaker from the panel it is sufficient to squeeze the frame-holding fingers together. This can be done manually on successive fasteners, engaging the frame The user can then tilt the frame away from the plate. No special tools are needed. It is simple to reinstall the same speaker or to install speakers having gaskets of different thickness, by repeating the rapid and effective snap-in procedure which we have described.
it will be evident from the foregoing description that the invention can be embodied in a variety of specific forms, and with different numbers and distributions of resilient fingers and of serrations thereon.
We claim:
1. Apparatus for use in a broadcast receiver, comprising: a panel; a plurality of fastener structures integrally formed on a surface of said panel and extending away from said surface; a plurality of resilient fingers extending from each fastener structure to the panel, each finger having indentations formed terminally thereon; and a loudspeaker engaged by such indentations to secure it to said fastener structure, said loudspeaker having slots in its frame, located and dimensioned to match the locations of the fastener structures on said panel and resiliently to deflect the fingers when the loudspeaker is mounted on the panel; the spacing of such indentations from said panel being different on one finger of a fastener from the spacing of such indentations on another finger of the same fastener.
2. Mounting apparatus, comprising: a panel; a plurality of fastener structures on a surface of said panel and extending away from said surface; a plurality of resilient fingers extending from each fastener structure to the panel, each finger having indentations formed terminally thereon; and a component mounting frame engaged by such indentations to secure it to such fastener structure, said frame having slots located and dimensioned to match the locations of the fastener structures on said panel and resiliently to deflect the fingers when the frame is mounted on the panel; the spacing of such indentations from said panel being different on one finger of a fastener from the spacing of such indentations On another finger of the same fastener.

Claims (2)

1. Apparatus for use in a broadcast receiver, comprising: a panel; a plurality of fastener structures integrally formed on a surface of said panel and extending away from said surface; a plurality of resilient fingers extending from each fastener structure to the panel, each finger having indentations formed terminally thereon; and a loudspeaker engaged by such indentations to secure it to said fastener structure, said loudspeaker having slots in its frame, located and dimensioned to match the locations of the fastener structures on said panel and resiliently to deflect the fingers when the loudspeaker is mounted on the panel; the spacing of such indentations from said panel being different on one finger of a fastener from the spacing of such indentations on another finger of the same fastener.
2. Mounting apparatus, comprising: a panel; a plurality of fastener structures on a surface of said panel and extending away from said surface; a plurality of resilient fingers extending from each fastener structure to the panel, each finger having indentations formed terminally thereon; and a component mounting frame engaged by such indentations to secure it to such fastener structure, said frame having slots located and dimensioned to match the locations of the fastener structures on said panel and resiliently to deflect the fingers when the frame is mounted on the panel; the spacing of such indentations from said panel being different on one finger of a fastener from the spacing of such indentations on another finger of the same fastener.
US854056A 1969-08-29 1969-08-29 Snap-in mounting for loudspeakers and the like Expired - Lifetime US3575370A (en)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2189971A1 (en) * 1972-06-19 1974-01-25 Philips Nv
US3800369A (en) * 1972-09-01 1974-04-02 Ford Motor Co Fastener flash molded integral with parent part
US3916703A (en) * 1971-02-03 1975-11-04 American Velcro Inc Fastener
US4241972A (en) * 1978-10-19 1980-12-30 Bunker Ramo Corporation Panel mount for electrical connector
EP0150744A2 (en) * 1984-01-26 1985-08-07 TELEFUNKEN Fernseh und Rundfunk GmbH Loudspeaker unit
US4733748A (en) * 1987-03-06 1988-03-29 Ponticelli Jr Pasco C Loudspeaker mounting device for car radio
EP0309857A2 (en) * 1987-09-29 1989-04-05 Deutsche Thomson-Brandt Gmbh Loudspeaker unit
US5273243A (en) * 1988-04-08 1993-12-28 General Motors Corporation Radio speaker mounting apparatus and method
US5583743A (en) * 1995-04-03 1996-12-10 Apple Computer, Inc. Appliance housing and speakers mounted thereto
US5647007A (en) * 1994-12-22 1997-07-08 Helen Of Troy Limited Optimized sound components for hair dryer stereo system
US20030174855A1 (en) * 2002-03-12 2003-09-18 Bernie Hawkins Speaker mounting system
US20040084591A1 (en) * 2001-07-26 2004-05-06 Takehiro Co., Ltd. Bracket for mounting speaker
US20040164207A1 (en) * 2002-07-31 2004-08-26 Decanio William Andrew Loudspeaker mounting mechanism
US20110186705A1 (en) * 2010-01-29 2011-08-04 Ming-Shiang Ke Speaker assembly with rotary fastening mechanism
USD767541S1 (en) * 2014-04-23 2016-09-27 Martin Audio Limited Loudspeaker
USD864913S1 (en) * 2017-08-08 2019-10-29 Pioneer Corporation Speaker for automobile
USD868030S1 (en) * 2017-06-13 2019-11-26 Razer (Asia-Pacific) Pte. Ltd. Headset

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733067A (en) * 1956-01-31 Bingo board with number covering slides
US3215380A (en) * 1964-07-14 1965-11-02 Philco Corp Mounting apparatus
GB1020694A (en) * 1963-07-25 1966-02-23 Albert Victor Raymond Improvements in and relating to studs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733067A (en) * 1956-01-31 Bingo board with number covering slides
GB1020694A (en) * 1963-07-25 1966-02-23 Albert Victor Raymond Improvements in and relating to studs
US3215380A (en) * 1964-07-14 1965-11-02 Philco Corp Mounting apparatus

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916703A (en) * 1971-02-03 1975-11-04 American Velcro Inc Fastener
FR2189971A1 (en) * 1972-06-19 1974-01-25 Philips Nv
US3800369A (en) * 1972-09-01 1974-04-02 Ford Motor Co Fastener flash molded integral with parent part
US4241972A (en) * 1978-10-19 1980-12-30 Bunker Ramo Corporation Panel mount for electrical connector
EP0150744A2 (en) * 1984-01-26 1985-08-07 TELEFUNKEN Fernseh und Rundfunk GmbH Loudspeaker unit
EP0150744A3 (en) * 1984-01-26 1986-02-12 Telefunken Fernseh Und Rundfunk Gmbh Loudspeaker unit
US4733748A (en) * 1987-03-06 1988-03-29 Ponticelli Jr Pasco C Loudspeaker mounting device for car radio
EP0309857A2 (en) * 1987-09-29 1989-04-05 Deutsche Thomson-Brandt Gmbh Loudspeaker unit
EP0309857A3 (en) * 1987-09-29 1991-01-09 Deutsche Thomson-Brandt Gmbh Loudspeaker unit
US5273243A (en) * 1988-04-08 1993-12-28 General Motors Corporation Radio speaker mounting apparatus and method
US5647007A (en) * 1994-12-22 1997-07-08 Helen Of Troy Limited Optimized sound components for hair dryer stereo system
US5583743A (en) * 1995-04-03 1996-12-10 Apple Computer, Inc. Appliance housing and speakers mounted thereto
US20040084591A1 (en) * 2001-07-26 2004-05-06 Takehiro Co., Ltd. Bracket for mounting speaker
US20030174855A1 (en) * 2002-03-12 2003-09-18 Bernie Hawkins Speaker mounting system
US20040164207A1 (en) * 2002-07-31 2004-08-26 Decanio William Andrew Loudspeaker mounting mechanism
US7731130B2 (en) * 2002-07-31 2010-06-08 Harman International Industries, Incorporated Loudspeaker mounting mechanism
US20110186705A1 (en) * 2010-01-29 2011-08-04 Ming-Shiang Ke Speaker assembly with rotary fastening mechanism
US8540199B2 (en) * 2010-01-29 2013-09-24 Wistron Corporation Speaker assembly with rotary fastening mechanism
USD767541S1 (en) * 2014-04-23 2016-09-27 Martin Audio Limited Loudspeaker
USD868030S1 (en) * 2017-06-13 2019-11-26 Razer (Asia-Pacific) Pte. Ltd. Headset
USD864913S1 (en) * 2017-08-08 2019-10-29 Pioneer Corporation Speaker for automobile

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