Two-axis Rotating Speaker Mounting Assembly and Mounting Kit

Abstract

A two-axis rotating speaker mounting assembly for mounting a speaker to a support object includes a base portion for mounting to the support object, a central portion, and a speaker portion for mounting to the speaker, and first and second lockable pivot assemblies are provided to enable adjustment of the orientation of the speaker portion relative to the base portion. An optional mounting plate may be employed to mount the speaker assembly in either of two directions for convenience of mounting and adjustment.

Description

Technical Field

[0001] The present disclosure generally relates to a kit that includes an assembly having two rotational axes for securely and adjustably mounting a speaker, and a mount used for securely and adjustably mounting such an assembly.

Background Art

[0002] Background Mounting a loudspeaker to a surface such as a wall or ceiling, or to another support structure such as a pillar or frame, can be physically and geometrically difficult. Such mounting is particularly difficult in commercial facilities such as concert halls, theaters, music and / or video production studios, where the speakers can be much heavier and larger than home speakers. In locations where multiple speakers are mounted, it may be desirable to mount the individual speakers in a particular direction or for a particular purpose (e.g., other than orthogonal to the surface or structure to which it is mounted). In certain adjustable mounting systems, there is an inherent conflict between adjustability and stability.

Summary of the Invention

Problems to be Solved by the Invention

[0003] Accordingly, an improved speaker mounting assembly and / or system that addresses one or more of the above drawbacks and / or provides other advantages would be desirable.

Means for Solving the Problems

[0004] Summary According to certain aspects of the present disclosure, a two-axis rotatable speaker mounting assembly for mounting a speaker to a support object includes, for example, a base portion for attachment to the support object, a central portion, a speaker portion for attachment to the speaker, and a first lockable pivot assembly that pivotally connects the base portion and the central portion about a first axis having a first axis extending longitudinally along a first axis, the first lockable pivot assembly including a first knob and a thread of the first axis that engages a thread of an opening of the first knob, rotation of the first knob on the first axis selectively in a locking direction or an unlocking direction locking or unlocking the central portion relative to the base portion, respectively, a first lockable pivot assembly, and a second lockable pivot assembly that pivotally connects the central portion to the speaker portion about a second axis having a second axis extending longitudinally along a second axis, the second lockable pivot assembly including a second knob and a thread of the second axis that engages a thread of an opening of the second knob, rotation of the second knob on the second axis selectively in a locking direction or an unlocking direction locking or unlocking the speaker portion relative to the central portion, respectively, a second lockable pivot assembly, the second axis being distal to the speaker portion and spaced from the first axis and aligned perpendicular to the first axis when viewed from a perspective aligned with the first axis and the second axis, the speaker portion being pivotable about at least one of the first lockable pivot assembly and the second lockable pivot assembly and then selectively and securely orientable relative to the base portion by rotating the first knob and the second knob in their respective locking directions. Various options and modifications are possible.

[0005] For example, the base portion may include a base plate defining a hole therethrough and two flanges extending perpendicularly from the base plate, and the first axis extends through the two flanges. Also, the base portion may include a base plate defining a plurality of holes therethrough, and the holes may include two groups arranged symmetrically and overlapping with respect to a central transverse axis of the base plate. If so, the group of holes includes a first group of four holes and a second group of four holes. It may be used with a mounting plate having mounting holes arranged around it for mounting the object to be supported, and the mounting plate has a U-shaped lip sized to slidably receive the base plate therein in either the first direction or the second direction. The mounting plate may define four holes therethrough, and the holes in the first group align with the four holes of the mounting plate when the base plate is in the first direction, and the holes in the second group align with the four holes of the mounting plate when the base plate is in the second direction. The four holes may be threaded, and a threaded fastener for fixing the base plate to the mounting plate uses either the holes in the first group or the holes in the second group and the four holes.

[0006] In the first direction, the first knob is at the first end of the mounting plate, and in the second direction, the first knob is at the second end of the mounting plate. The U-shaped lip is on the upper surface of the mounting plate, and further, a vibration reduction pad is included on the bottom surface of the mounting plate for contacting the surface to which the mounting plate is mounted.

[0007] The central portion includes a cylindrical portion and a plate portion, the first axis extends through the cylindrical portion, and the second axis extends through the plate portion. The friction-enhancing surface element may be disposed at the contact portion of the speaker portion and the contact portion of the central portion to enhance the locking of the speaker portion with respect to the central portion when locked by the second lockable pivot assembly.

[0008] The speaker unit may include a plate portion and a speaker portion, the second axis extends through the plate portion, the plate portion may define an arcuate groove extending circumferentially around the second axis, and the central portion defines a pin that extends through the groove and is configured to guide and fix the plate portion relative to the central portion. The speaker unit may be removably attached to the plate portion in a first direction and a second direction, and the first direction is disposed by rotating 90 degrees from the second direction.

[0009] According to another aspect of the present disclosure, a two-axis rotating speaker mounting assembly for mounting a speaker to an object to be supported includes, for example, a base portion for mounting to the object to be supported, the base portion including a base plate, the base portion, a central portion, a speaker portion for mounting to the speaker, and a first lockable pivot assembly that pivotally connects the base portion and the central portion about a first axis having a first axis extending longitudinally along a first axis, the first lockable pivot assembly including a first knob and a thread of the first axis that engages a thread of an opening of the first knob, rotation of the first knob on the first axis selectively in a locking direction or an unlocking direction locks or unlocks the central portion relative to the base portion, respectively, the first lockable pivot assembly, and a second lockable pivot assembly that pivotally connects the central portion to the speaker portion about a second axis having a second axis extending longitudinally along a second axis, the second lockable pivot assembly including a second knob and a thread of the second axis that engages a thread of an opening of the second knob, rotation of the second knob on the second axis selectively in a locking direction or an unlocking direction locks or unlocks the speaker portion relative to the central portion, respectively, the second lockable pivot assembly, and the second axis is distal to the speaker portion and spaced from the first axis and aligned perpendicular to the first axis when viewed from a perspective aligned with the first axis and the second axis, the speaker portion can be selectively and securely oriented relative to the base portion by pivoting at least one of the first lockable pivot assembly and the second lockable pivot assembly and then rotating the first knob and the second knob in their respective locking directions, and further, a mounting plate having mounting holes disposed around it for mounting a mounting plate to the object to be supported, the mounting plate having a U-shaped lip sized to slidably receive the base plate therein in either a first direction or a second direction, the mounting plate, and in the first direction, the first knob is at a first end of the mounting plate, and in the second direction, the first knob is at a second end of the mounting plate, and further,An opening defined through a base plate and an attachment plate, which may include an opening that aligns in either a first direction or a second direction to receive a fastener and secures the base plate to the attachment plate in either the first direction or the second direction. Again, various options and modifications are possible.,

[0010] According to yet another aspect of the present disclosure, a two-axis rotary speaker mounting assembly for mounting a speaker to a support object includes, for example, a base portion for mounting to the support object, a central portion, a speaker portion for mounting to the speaker, and a first lockable pivot assembly that pivotally connects the base portion and the central portion about a first axis having a first axis extending longitudinally along a first axis, the first lockable pivot assembly including a first knob and a thread of the first axis that meshes with a thread of an opening of the first knob, rotation of the first knob on the first axis selectively in a locking direction or an unlocking direction locking or unlocking the central portion with respect to the base portion, respectively, a second lockable pivot assembly that pivotally connects the central portion and the speaker portion about a second axis having a second axis extending longitudinally along a second axis, the second lockable pivot assembly including a second knob and a thread of the second axis that meshes with a thread of an opening of the second knob, rotation of the second knob on the second axis selectively in a locking direction or an unlocking direction locking or unlocking the speaker portion with respect to the central portion, respectively, the second axis being distal to the speaker portion and spaced from the first axis and aligned perpendicular to the first axis when viewed from a perspective aligned with the first axis and the second axis, the speaker portion being selectively and securely orientable with respect to the base portion by pivoting at least one of the first lockable pivot assembly and the second lockable pivot assembly and then rotating the first knob and the second knob in their respective locking directions, the base portion further including a base plate defining a plurality of holes therethrough, the holes including two groups arranged symmetrically and overlapping with respect to a central transverse axis of the base plate, the groups of holes including a first group of four holes and a second group of four holes, and further, a mounting plate having mounting holes disposed around it for mounting the mounting plate to the support object, the mounting plate being in either a first direction or a second direction,It has a U-shaped lip sized to slidably receive a base plate therein, and the mounting plate may further define four holes therethrough such that when the base plate is in a first direction, a first group of holes aligns with the four holes of the mounting plate, and when the base plate is in a second direction, a second group of holes aligns with the four holes of the mounting plate. In the first direction, the first knob is at a first end of the mounting plate, and in the second direction, the first knob is at a second end of the mounting plate. Also, various options and modifications are possible.

[0011] Further details of the present disclosure are shown in the drawings.

Brief Description of the Drawings

[0012]

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DETAILED DESCRIPTION OF THE INVENTION

[0013] DETAILED DESCRIPTION Next, a detailed reference will be made to the drawings showing embodiments embodying the present disclosure. The detailed description uses numerical and alphabetical designations to refer to the configurations within the drawings. Similar or like designations in the drawings and the description are used to refer to similar or like portions of the disclosure.

[0014] The drawings and detailed description provide a complete and enabling disclosure of the disclosure, as well as the methods and processes for making and using it. Generally, FIGS. 1-12 show aspects of the two-axis rotating speaker mounting assembly and mounting kit of the subject matter that would be required by one of ordinary skill in the art to understand, manufacture, and use the subject matter. Other aspects are described below and found in the following claims. Each illustrated and / or disclosed embodiment is provided for purposes of explaining the subject matter and is not a limitation of the subject matter. Indeed, it will be apparent to those of ordinary skill in the art that various modifications and changes can be made to the disclosed subject matter without departing from the scope or spirit of the disclosure. For example, a configuration illustrated or described as part of one embodiment can be used with another embodiment to produce yet another embodiment.

[0015] More specifically, as shown in FIGS. 1-12, an example of the two-axis rotating speaker mounting assembly 10 can include some or all of a base portion 12, a central portion 14, a speaker portion 16, a first lockable pivot assembly 18, and a second lockable pivot assembly 20. As shown in FIG. 10, the assembly 10 can be mounted directly to a support S (such as a wall, ceiling, frame, etc.), and optionally, as shown in FIG. 12, the assembly 10 can be mounted to a mounting plate 22 that is itself mounted to the support S.

[0016] The base portion 12 includes a base plate 24 with holes 26a - c and an upright flange 28. The central portion 14 includes a cylindrical portion 30 and a plate portion 32. The first lockable pivot assembly 18 connects the base portion 12 and the central portion 14 via a first shaft 34 that extends along an axis 36 and passes through the flange 28. The knob 38 can be selectively tightened or loosened by mutual threading onto the shaft 34 (or, as shown, a jackshaft 35 fixed in position by a screw 37, or other extension portion rotatable with the shaft 34), and when loosened, the central portion 14 is rotatable about the first axis 36 relative to the base portion 12, and when tightened, such rotation is not permitted due to axial compression along the axis 36. Optionally, mutual friction - enhancing elements such as stops, teeth, detents, etc. can be used to define a specific relative amount of rotation and to enhance the frictional grip when the knob is tightened.

[0017] The speaker portion 16 includes a plate portion 40 and a speaker plate 42 for attachment to the plate portion by screws 44. Optionally, screw holes can be provided in the plate portion 40 and the speaker plate 42, and the parts can be attached in one or more relative directions. This will serve to provide additional mounting options. For example, FIGS. 7 and 8 show the plate 42 attached to the plate portion 40 in two directions 90 degrees apart. The speaker plate 42 can have a plurality of openings 46 (slots and / or holes) with various spacings configured to attach a number of speakers, mounts, brackets, extension pole housings, etc., and can be adapted to products from many manufacturers.

[0018] The second lockable pivot assembly 20 includes a knob 48, a second shaft 50, a jackshaft 52, a screw 54 for selectively loosening and tightening the assembly along a second axis 56, and an internal screw, and functions similarly to the first assembly. When loosened, the assembly 20 allows the speaker portion 16 to pivot relative to the central portion 14 about the second axis 56. When tightened, the assembly 20 frictionally compresses the elements along the second axis 56 and prevents rotation about the axis 56. A pin 58 that rides in a groove 60 in the plate portion 40 and extends circumferentially about the second axis 56 helps guide and align the central portion 14 and the speaker portion 16 during rotation and fixation. Friction elements 62 (shown as radially extending teeth) between the plate portion 40 and the plate portion 32 define the relative positions of the parts and help fix them against rotation when the assembly 20 is tightened by the knob 48.

[0019] Figures 2A, 2B, and 2C show three possible relative positions of the central portion 14 with respect to the base portion 12 at approximately 30-degree intervals by rotating about the axis 36 and fixing in place with the knob 38. Figures 3A, 3B, and 3C show three possible relative positions of the speaker portion 16 with respect to the central portion 14 at approximately 30-degree intervals by rotating about the axis 56 and fixing with the knob 48. Figure 4 shows one possible orientation of the speaker portion 16 with respect to the base portion 12, with rotation being compliant about both the axis 36 and the axis 56. Thus, the assembly 10 provides simple and optimal rotation that can be fixed by a single lockable pivot assembly at each pivot axis. Due to the adjustability about the axis 36 and the axis 56, the assembly can be oriented in multiple ways with respect to the support S, and it is easy to reach the knobs 38 and 48 for tightening, loosening, adjustment, etc.

[0020] The base plate 24 can be attached to the support S using screws 64 that pass through any or all of the holes 26a - c. As shown in FIG. 9, the plate 24 is attached using two holes 26a and two holes 26b (i.e., the holes closest to the corners of the plate 24) and lifts the speaker Sp attached to the plate 42.

[0021] However, FIGS. 10 - 12 show an optional mounting plate 22 that can provide additional ease of installation and functionality. The mounting plate 22 includes a plate 66 with surrounding holes 68 and slots 70 for attachment to the support S (again, a wall, ceiling, frame, structure, etc.). The base plate 24 can be slid onto and held in a U - shaped lip 72 on the plate 66 that has an L - shaped (undercut) side 74. The base plate 24 can be slid with either side 24a or side 24b in contact with the bottom 76 of the U - shaped lip 72. FIGS. 11A and 11B show alternative relative orientations (the orientation of the mounting plate 22 is reversed between the figures).

[0022] The plate 66 includes four screw holes 78 arranged to receive either hole 26a or hole 26b depending on whether side 24a or side 24b is slid into the U - shaped lip and contacts the bottom 76. Threaded screws 80 can extend through either hole 26a or 26b and be screwed into the holes 78 to fix the base plate 24 to the plate 66. Optionally, the holes 78 can be symmetrically arranged and only one set of holes 26a or 26b (similarly symmetrically arranged) may be employed. A vibration - damping foam layer 82 can be placed on the bottom of the plate 66 and, when fixed to the support S, generally reduces vibrations caused by an indoor speaker Sp or other acoustic items.

[0023] Accordingly, the above structure, with or without an additional mounting plate, can be used to mount a speaker to a support structure such that the speaker is pivotable about two axes relative to the base / support in a desired direction and can be securely fixed in a desired direction, providing one or more examples of a two-axis rotary speaker mounting assembly.

[0024] While preferred embodiments of the invention have been described above, it should be understood that the implementation of any equivalents of the invention is included within the scope and spirit of the invention. Accordingly, the illustrated embodiments are presented by way of example only and are not intended as limitations on the invention. Thus, while particular embodiments of the invention have been described and shown, it will be understood by those skilled in the art that many changes can be made and the invention is not limited thereto. Accordingly, any embodiments can be considered to be included within the literal scope or equivalent scope of the appended claims and are considered to be within the invention.

Claims

1. A two-axis rotating speaker mounting assembly for mounting a speaker to a support object, the two-axis rotating speaker mounting assembly comprising: a base portion for mounting to the support object; a central portion; a speaker portion for mounting the speaker; a first lockable pivot assembly having a first axis extending longitudinally along a first axis, pivotally connecting the base portion and the central portion about the first axis, the first lockable pivot assembly including a first knob and a thread of the first axis meshing with the thread of the opening of the first knob, rotation of the first knob on the first axis selectively in a locking direction or an unlocking direction respectively locks or unlocks the central portion with respect to the base portion, the first lockable pivot assembly; a second lockable pivot assembly having a second axis extending longitudinally along a second axis, pivotally connecting the central portion to the speaker portion about the second axis, the second lockable pivot assembly including a second knob and a thread of the second axis meshing with the thread of the opening of the second knob, rotation of the second knob on the second axis selectively in a locking direction or an unlocking direction respectively locks or unlocks the speaker portion with respect to the central portion, the second lockable pivot assembly; the second axis is distal to the speaker portion and, when viewed from a perspective aligned with the first axis and the second axis, is spaced from the first axis and aligned perpendicular to the first axis, the speaker portion is pivotable about at least one of the first lockable pivot assembly and the second lockable pivot assembly and then, by rotating the first knob and the second knob in their respective locking directions, is selectively and securely orientable with respect to the base portion; the speaker portion includes a plate portion and a speaker portion, and the second axis extends through the plate portion; The plate portion defines an arcuate groove extending circumferentially around the second axis, and the central portion defines a pin configured to extend through the groove and guide and fix the plate portion relative to the central portion. The pin is disposed closer to the first axis than the second axis, and the pin is slidable within the arcuate groove when the speaker portion is pivoted relative to the central portion. A two-axis rotary speaker mounting assembly characterized thereby. **Claim 2** The two-axis rotary speaker mounting assembly according to claim 1, wherein the base portion includes a base plate defining a hole therethrough and two flanges extending perpendicularly from the base plate, and the first axis extends through the two flanges. A two-axis rotary speaker mounting assembly characterized thereby. **Claim 3** The two-axis rotary speaker mounting assembly according to claim 1, wherein the base portion includes a base plate defining a plurality of holes therethrough, and the holes include two groups arranged symmetrically and overlapping with respect to a central transverse axis of the base plate. A two-axis rotary speaker mounting assembly characterized thereby. **Claim 4** The two-axis rotary speaker mounting assembly according to claim 3, wherein the group of holes includes a first group of four holes and a second group of four holes. A two-axis rotary speaker mounting assembly characterized thereby. **Claim 5** The two-axis rotary speaker mounting assembly according to claim 4, further including a mounting plate having mounting holes disposed around its periphery for mounting the mounting plate to the object to be supported, and the mounting plate has a U-shaped lip sized to slidably receive the base plate therein in either a first direction or a second direction. A two-axis rotary speaker mounting assembly characterized thereby. **Claim 6** The two-axis rotary speaker mounting assembly according to claim 5, wherein the mounting plate defines four holes therethrough, and when the base plate is in the first direction, the holes of the first group are aligned with the four holes of the mounting plate, and when the base plate is in the second direction, the holes of the second group are aligned with the four holes of the mounting plate. A two-axis rotary speaker mounting assembly characterized thereby.

7. The two-axis rotating speaker mounting assembly according to claim 6, wherein the four holes are threaded, and further, a threaded fastener for fixing the base plate to the mounting plate is included using either the first group of holes or the second group of holes and the four holes. A two-axis rotating speaker mounting assembly characterized by this.

8. The two-axis rotating speaker mounting assembly according to claim 5, wherein in the first direction, the first knob is at the first end of the mounting plate, and in the second direction, the first knob is at the second end of the mounting plate. A two-axis rotating speaker mounting assembly characterized by this.

9. The two-axis rotating speaker mounting assembly according to claim 5, wherein the U-shaped lip is on the upper surface of the mounting plate, and further, a vibration damping pad is included on the bottom surface of the mounting plate to contact the surface to which the mounting plate is mounted. A two-axis rotating speaker mounting assembly characterized by this.

10. The two-axis rotating speaker mounting assembly according to claim 1, wherein the central portion includes a cylindrical portion and a plate portion, the first axis extends through the cylindrical portion, and the second axis extends through the plate portion. A two-axis rotating speaker mounting assembly characterized by this.

11. The two-axis rotating speaker mounting assembly according to claim 1, wherein friction-enhancing surface elements are arranged at the contact portion of the speaker part and the contact portion of the central portion to enhance the locking of the speaker part to the central portion when locked by the second lockable pivot assembly. A two-axis rotating speaker mounting assembly characterized by this.

12. The two-axis rotating speaker mounting assembly according to claim 1, wherein the speaker part can be removably mounted to the plate portion in a first direction and a second direction, and the first direction is arranged to be rotated 90 degrees from the second direction. A two-axis rotating speaker mounting assembly characterized by this.

13. A two-axis rotating speaker mounting assembly for mounting a speaker to a support object, wherein the two-axis rotating speaker mounting assembly includes a base portion for mounting to the support object, the base portion including a base plate, the base portion, and a central portion, and a speaker part for attachment to the speaker; a first lockable pivot assembly that pivotally connects the base part and the central part about the first axis having a first axis extending longitudinally along a first axis, the first lockable pivot assembly including a first knob and a thread of the first axis meshing with a thread of an opening of the first knob, rotation of the first knob on the first axis in a locking direction or an unlocking direction selectively locks or unlocks the central part with respect to the base part, the first lockable pivot assembly; a second lockable pivot assembly that pivotally connects the central part to the speaker part about the second axis having a second axis extending longitudinally along a second axis, the second lockable pivot assembly including a second knob and a thread of the second axis meshing with a thread of an opening of the second knob, rotation of the second knob on the second axis in a locking direction or an unlocking direction selectively locks or unlocks the speaker part with respect to the central part, the second lockable pivot assembly; when the second axis is distal to the speaker part and viewed from a perspective aligned with the first axis and the second axis, the second axis is spaced from the first axis and aligned in a direction perpendicular to the first axis, the speaker part can be selectively and reliably oriented with respect to the base part by pivoting at least one of the first lockable pivot assembly and the second lockable pivot assembly and then rotating the first knob and the second knob in their respective locking directions; further, a mounting plate having mounting holes disposed around it for mounting a mounting plate to the object to be supported, the mounting plate having a U-shaped lip sized to slidably receive the base plate therein in either a first direction or a second direction; in the first direction, the first knob is at a first end of the mounting plate, and in the second direction, the first knob is at a second end of the mounting plate; Further, to receive the fastener, there is an opening defined through the base plate and the mounting plate that is aligned in either the first direction or the second direction and that secures the base plate to the mounting plate in either the first direction or the second direction. The speaker portion includes a plate portion and a speaker portion, and the second axis extends through the plate portion. The plate portion defines an arcuate groove that extends circumferentially around the second axis, and the central portion defines a pin that extends through the groove and is configured to guide and secure the plate portion relative to the central portion. The pin is disposed closer to the first axis than the second axis, and the pin is slidable within the arcuate groove when the speaker portion is pivoted relative to the central portion. A two-axis rotating speaker mounting assembly is characterized by this.

14. The two-axis rotating speaker mounting assembly according to claim 13, wherein the base plate defines two flanges that extend perpendicularly from the base plate, and the first axis extends through the two flanges. A two-axis rotating speaker mounting assembly is characterized by this.

15. The two-axis rotating speaker mounting assembly according to claim 14, wherein the U-shaped lip is on the upper surface of the mounting plate, and further includes a vibration damping pad on the bottom surface of the mounting plate to contact the surface to which the mounting plate is attached. A two-axis rotating speaker mounting assembly is characterized by this.

16. The two-axis rotating speaker mounting assembly according to claim 13, wherein the speaker portion can be removably attached to the plate portion in a first direction and a second direction, and the first direction is rotated 90 degrees from the second direction. A two-axis rotating speaker mounting assembly is characterized by this.

17. A two-axis rotating speaker mounting assembly for mounting a speaker to an object to be supported, the two-axis rotating speaker mounting assembly comprising: a base portion for attaching to the object to be supported; a central portion; a speaker portion for attaching to the speaker; A first lockable pivot assembly having a first axis extending longitudinally along a first shaft, pivotally connecting the base portion and the central portion about the first shaft, the first lockable pivot assembly including a first knob and a thread of the first shaft that meshes with a thread of an opening of the first knob, rotation of the first knob on the first shaft selectively in a locking direction or an unlocking direction respectively locks or unlocks the central portion with respect to the base portion, the first lockable pivot assembly, A second lockable pivot assembly having a second axis extending longitudinally along a second shaft, pivotally connecting the central portion to the speaker portion about the second shaft, the second lockable pivot assembly including a second knob and a thread of the second shaft that meshes with a thread of an opening of the second knob, rotation of the second knob on the second shaft selectively in a locking direction or an unlocking direction respectively locks or unlocks the speaker portion with respect to the central portion, the second lockable pivot assembly, and The second axis is distal to the speaker portion and is spaced from the first axis and aligned perpendicular to the first axis when viewed from a perspective aligned with the first axis and the second axis, the speaker portion is pivotable about at least one of the first lockable pivot assembly and the second lockable pivot assembly and then selectively and securely orientable with respect to the base portion by rotating the first knob and the second knob respectively in their locking directions, The base portion further includes a base plate defining a plurality of holes therethrough, the holes including two groups arranged symmetrically and overlapping with respect to a central transverse axis of the base plate, the groups of holes including a first group of four holes and a second group of four holes, Furthermore, the mounting plate having mounting holes arranged around it for mounting the object to be supported, the mounting plate having a U-shaped lip sized to slidably receive the base plate therein in either a first direction or a second direction, The mounting plate further defines four holes therethrough, and when the base plate is in the first direction, the first group of holes is aligned with the four holes of the mounting plate, and when the base plate is in the second direction, the second group of holes is aligned with the four holes of the mounting plate, In the first direction, the first knob is at a first end of the mounting plate, and in the second direction, the first knob is at a second end of the mounting plate, The speaker portion includes a plate portion and a speaker portion, and the second axis extends through the plate portion, The plate portion defines an arcuate groove extending circumferentially around the second axis, and the central portion defines a pin configured to extend through the groove and guide and fix the plate portion relative to the central portion, the pin being disposed closer to the first axis than the second axis, and the pin being slidable within the arcuate groove when the speaker portion is pivoted relative to the central portion, characterized in that it is a two-axis rotating speaker mounting assembly.

18. The two-axis rotating speaker mounting assembly according to claim 17, wherein the base portion defines two flanges extending perpendicularly from the base plate, and the first axis extends through the two flanges.

19. The two-axis rotating speaker mounting assembly according to claim 17, wherein the U-shaped lip is on the upper surface of the mounting plate, and further includes a vibration reduction pad on the bottom surface of the mounting plate for contacting the surface to which the mounting plate is mounted.

20. The two-axis rotary speaker mounting assembly according to claim 17, wherein the speaker portion is removably attachable to the plate portion in the first direction and the second direction, and the first direction is arranged to be rotated 90 degrees from the second direction. A two-axis rotary speaker mounting assembly characterized by this.

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