1. A universal clamping joint comprising:
a first clamping member having a clamping bore;
a non-cylindrical retractor blade handle, the non-cylindrical retractor blade handle having a plurality of serrations;
an adapter housing having a retractor handle passageway and a sleeve, at least a portion of the sleeve being configured for rotational insertion into the clamping bore, at least a portion of the retractor handle passageway having a non-cylindrical configuration sized to receive the slideable insertion of the non-cylindrical retractor blade handle and to prevent the rotation of the non-cylindrical retractor blade handle within the adapter housing;
a pinion operably connected to the adaptor housing, the pinion having a plurality of pinion teeth, the pinion teeth being configured for engagement with at least one of the plurality of serrations;
a locking mechanism operably connected to the first clamping member, the locking mechanism being movable between an unclamped position and a clamped position, the clamped position being capable of imposing a clamping force on the clamping bore to prevent the rotation of the adaptor housing within the clamping bore; and
a pawl mechanism operably connected to the adaptor housing, the pawl mechanism being configured for both a releasable engagement and a locking engagement with at least one of the plurality of serrations.
2. A universal clamping joint comprising:
a first clamping member having a clamping bore;
a non-cylindrical retractor blade handle, the non-cylindrical retractor blade handle having a plurality of serrations;
an adapter housing having a retractor handle passageway and a sleeve, at least a portion of the sleeve being configured for rotational insertion into the clamping bore, at least a portion of the retractor handle passageway having a non-cylindrical configuration sized to receive the slideable insertion of the non-cylindrical retractor blade handle and to prevent the rotation of the non-cylindrical retractor blade handle within the adapter housing;
a pinion operably connected to the adaptor housing, the pinion having a plurality of pinion teeth, the pinion teeth being configured for engagement with at least one of the plurality of serrations;
a crank knob operably connected to the pinion, the rotation of the crank knob facilitating the rotation of the plurality of pinion teeth and subsequent engagement of at least one of the plurality of pinion teeth with at least one of the plurality of serrations;
a locking mechanism operably connected to the first clamping member, the locking mechanism being movable between an unclamped position and a clamped position, the clamped position being capable of imposing a clamping force on the clamping bore to prevent the rotation of the adaptor housing within the clamping bore; and
a pawl mechanism operably connected to the adaptor housing, the pawl mechanism being configured for both a releasable engagement and a locking engagement with at least one of the plurality of serrations.
3. The apparatus of claim 1 or 2 wherein a spring pin is operably connected to the pawl mechanism, the spring pin being configured to bias the pawl mechanism against at least one of the plurality of serrations.
4. The apparatus of claim 1 or 2 wherein at least a portion of the retractor handle passageway is a cylindrical orifice.
5. The apparatus of claim 1 or 2 wherein the locking mechanism is a cam locking mechanism, the cam locking mechanism having a cam handle and a cam.
6. The apparatus of claim 5 wherein the locking mechanism engages a through rod and a nut.
7. The apparatus of claim 5 wherein the cam handle has an unclamped position and a clamping position, the unclamped position and the unclamped position of the cam handle being configured to be substantially parallel to the non-cylindrical retractor blade handle.
8. The apparatus of claim 1 or 2 wherein a second clamping member is rotatably connected to the first clamping member, the second clamping member and the first clamping member being capable of rotational movement about the same axis.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A speaker surround arranged between a diaphragm and a frame of a speaker, the speaker surround comprising:
a reinforcing member installed inside urethane foam, the reinforcing member being the one with no expansion and contraction upon deformation based on the displacement of the diaphragm.
2. The speaker surround according to claim 1, wherein the reinforcing member is a mesh reinforcing member.
3. The speaker surround according to claim 1, wherein the reinforcing member is made of any one of aromatic polyamide fiber, cotton, polyester fiber, olefin fiber and nylon fiber.
4. The speaker surround according to claim 1, wherein the reinforcing member comprises any one of plain weave, honeycomb weaving and triaxial weave.
5. The speaker surround according to claim 1, wherein the reinforcing member is made of any one of nonwoven fabric and triaxial combined nonwoven fabric.
6. A method for producing a speaker surround comprising a mesh reinforcing member inside urethane foam, the method comprising the processes of:
sandwiching the reinforcing member between thermoplastic resin films; and
fusion bonding the urethane foam and the reinforcing member by hot-press molding.
7. The method for producing a speaker surround according to claim 6, wherein the thermoplastic resin film comprises nylon.
8. The method for producing a speaker surround according to claim 6, wherein the thermoplastic resin film comprises ethylene vinyl acetate copolymer.
9. The method for producing a speaker surround according to claim 6, wherein the thermoplastic resin film comprises polypropylene.
10. A method for producing a speaker surround comprising a mesh reinforcing member inside urethane foam, the method comprising the processes of:
impregnating the mesh reinforcing member with urethane resin, acrylic resin, polyvinyl alcohol resin, phenol resin, melamine resin or latex mixed phenol resin; and
fusion bonding the urethane foam and the reinforcing member by hot-press molding.
11. A method for producing a speaker surround comprising a mesh reinforcing member inside urethane foam, the method comprising the processes of:
fusing the mesh reinforcing member by hot-press molding; and
fusion bonding the mesh reinforcing member to the urethane foam.
12. A method for producing a speaker surround comprising a mesh reinforcing member inside urethane foam, wherein
the mesh reinforcing member has large weave texture or stitch, and
the method comprises the processes of:
contacting the urethane foam arranged on both sides of the reinforcing member directly to the reinforcing member via the weave texture or stitch; and
fusion bonding the urethane foam on both sides to the reinforcing member by hot-press molding.
13. A method for producing a speaker surround comprising a mesh reinforcing member inside urethane foam, the method comprising the processes of:
applying solvent or emulsion adhesive to urethane;
sandwiching a mesh reinforcing member by the urethane; and
fusion bonding the urethane and reinforcing member by hot-press molding.