Classifications

• • G—PHYSICS
  • G10—MUSICAL INSTRUMENTS; ACOUSTICS
  • G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
  • G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
• • G—PHYSICS
  • G10—MUSICAL INSTRUMENTS; ACOUSTICS
  • G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
  • G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
  • G10D3/01—Endpins or accessories therefor

Definitions

• the invention relates to a spike system for double basses for a microphone in the interior of the instrument.
• EP 108 113 B1 discloses a spike system in a cello or a similar instrument with a holding device and a spike, which are telescopically engaged with one another.
• spike systems for double basses consist of a spike and a holding device with a cylindrical inner diameter.
• the spike is inserted in a cylindrical opening at the end of the holding device protruding from the instrument and fastened by a locking screw which is guided through an opening in the cylinder jacket.
• Spike systems of this type are not suitable for miking inside the instrument, as described for example for string instruments in DE 39 17 912 C2, since in the known spike systems no microphone can be guided inwards through the spike.
• a spike system that is suitable for use with a microphone as well as for use without a microphone is to be equipped with an intermediate piece as a microphone holder, which can be easily installed and removed in the spike.
• a holding device for attaching the spike system to the instrument, a spike and a device for receiving a microphone are provided, which is telescopically engaged with the spike.
• the device for receiving a microphone can advantageously be quick be installed and removed so that the spike system can be used both with the device and without it.
• the device for receiving a microphone is preferably composed of three
• Parts assembled a lower part for routing a microphone cable to the outside, a middle part for routing the microphone cable through the barbed system and an upper part in which the microphone is inserted.
• the lower part consists of an annular outer section, an annular inner section and a web between these sections.
• the microphone cable is routed to the outside via a bushing which in this part is formed by the inner opening of the inner section in the form of a ring and a bore which runs through the web and simultaneously through the two sections.
• the bore has a recess on the outer circumferential surface of the outer section , into which a connector can be fitted, for example by means of an interference fit.
• a base of the lower part has a reduced outer diameter, an elevation, provided with an external thread.
• the middle part is designed as a cylindrical narrow tube, which also serves as a lead-through.
• the tube has a reduced outer diameter with an external thread at one end section. This external thread enables the central part to be screwed into an internal thread formed in the interior of the inner section of the annular part of the lower part.
• the other end portion of the tube has an enlarged inner diameter into which the upper part (with the microphone) is fitted.
• the section of the upper part protruding over the middle part has the shape of a truncated cone tapering in the direction away from the middle part, in the smaller base area of which an opening for receiving a microphone is formed
• the spike is advantageously designed as a cylindrical tube whose dimensions are such that it is the central part of the Device for receiving a microphone telescopically enclose and also fits into the space between the annular inner portion and the annular outer portion of the lower part of the device for holding a microphone. Because of the web of the lower part of the device for holding a microphone, there is a slot in the cylinder jacket of the spike is provided, which extends from one end to a section at the other end. The section at the other end has an inner diameter which is smaller than the remaining inner diameter and is provided with an internal thread into which a spike tip is inserted directly or via intermediate pieces can be screwed for extension. The outer diameter of the section which is located away from the spike tip is preferably provided with an external thread.
• the holding device of the spike system is in principle designed as a cylindrical tube, the portion of which protrudes from the instrument has a larger outer diameter than the portion to be inserted into the instrument.
• an opening with a recess is provided on the side of the cylinder jacket.
• the opening is formed by drilling into the inner wall of the cylinder jacket opposite the opening. This opening is provided for receiving a cylindrical receiving device.
• the receiving device has a lateral bore with an internal thread corresponding to the outer circumference of the spike and is provided with an axial bore with an internal thread that extends up to the lateral bore.
• a locking device in the form of an intermediate piece and a wing nut screwed to a threaded bolt
• the outer diameter of the intermediate piece is equal to the inner diameter of the recess.
• Another recess with an internal thread is provided for the inside diameter of the tube on the base of the part of the holding device which protrudes from the instrument.
• the spike is screwed through its external thread through the internal thread of the receiving device and is thus advantageously secured against falling out of the holding device.
• the locking device serves to fasten the spike.
• the spike and the device for receiving a microphone can thus advantageously also be fastened separately in the holding device, which ensures flexible use of the spike system
• the spike system is fastened in the instrument by means of the holding device, preferably by means of a tube, which is frustoconical on the outside and cylindrical on the inside, with a slotted jacket
• the spike system in such a way that one end of the spike has a circumferential projection, which is preferably designed as a "cover” screwed onto the spike, which has a larger outer diameter than the spike.
• the spike can then be from above are inserted into the holding device, where the spike is then secured against falling out of the holding device by its projection and a projection of the inner diameter of the holding device designed according to this projection.
• neither the spike has an external thread nor the receiving device has an internal thread.
• the microphone is simple “by below "into the spike; all you have to do is remove the spike tip.
• the materials for the spike system according to the invention are preferably steel for the spike and black anodized aluminum for the device for receiving a microphone and the holding device.
• FIG. 1 shows a perspective view of a lower part of a device according to the invention for receiving a microphone
• FIG. 2a shows a top view of a device according to the invention for receiving a microphone
• FIG. 1 shows a side view of an inventive device for recording a microphone
• FIG. 1 shows a central part of an inventive device for recording a microphone
• Fig. 4 shows an upper part of an inventive
• ig. 5 shows a spike according to the invention
• 6a and 6b show side views of a holding device according to the invention
• Fig. 7 shows a pick-up device with a locking device
• Fig. 8 shows side views of another invention
• FIG. 9 shows a further exemplary embodiment of a receiving device with a locking device
• Fig. 10 shows a further embodiment of a spike
• Fig. 11 shows a spike extension
• FIG. 14 shows the spike system according to the invention as a whole.
• 1 to 2 show a lower part of a device for receiving a microphone.
• FIG. 1 shows a perspective view.
• Fig. 2a shows a plan view ⁇ md.
• Fig. 2b shows a side sectional view of the lower part of the device for recording a microphone.
• 2c shows a plug connector.
• FIGS. 1 and 2 show an annular outer section 1, an annular inner section 2 and a web 3 connecting these sections 1, 2.
• a lateral bore 4 is through the outer section 1 which is circular-shaped through the web 3 to to the annular inner portion 2 of the lower part of the device for receiving a microphone.
• This bore 4 has on its outer portion a recess 5 into which a connector 8 fits.
• a reduced outer diameter with an external thread on one of a base of the lower part of the device Section for receiving a microphone is denoted by 6.
• An internal thread in the inner diameter of the circular inner section 2, starting from the same base area, is denoted by 7
• Fig. 3 shows a central part of the device for receiving a microphone, which is a tube 9, at one end portion of which a reduced outer diameter 10 with an external thread is shown, which when assembling the device for taking a microphone into the internal thread 7 of the lower one Partly screwed.
• the other end section is provided with an enlarged inner diameter 11 for receiving the upper part (FIG. 4) of the device for receiving a microphone.
• the upper part shown in FIG. 4 has a cylinder-shaped section 12 and a frustoconical section 13, in which a recess 14 is provided on the smaller base for inserting the microphone.
• section 12 of the upper part is inserted into section 11 of FIG middle part where it is held by press fit. »
• FIG. 5 shows a spike, which is designed as a cylindrical tube 15.
• the spike furthermore has a slot 16, an external thread 17, and an internal thread 18.
• the internal thread 18 is formed on one end section of the spike, while the external thread 17 is formed on the opposite end section.
• the internal thread 18 has a smaller inside diameter as the cylindrical tube 15.
• the slot 16 extends from the end of the spike with the external thread 17 to the inner stop of the internal thread 18.
• the internal thread 18 serves to screw in a spike tip, which either directly or via intermediate pieces into it Thread can be screwed.
• FIG. 6a and 6b each show the holding device in a side view, FIG. 6b showing the holding device of FIG. 6a rotated by 90 °.
• the holding device is designed as a cylindrical tube 19 with a thick-walled end section 20.
• an opening 21 with a recess 22 is provided in one side of the thick-walled end section 20.
• the opening 21 is formed by drilling up to the opposite inside of the jacket of the thick-walled end section.
• a further recess 23 is provided on the base area of the thick-walled end section, in which an internal thread is also formed.
• FIG. 7 a Traumhalame Republic 24 is shown, which is cylindrical in shape and fits into the opening 21 of the holding device.
• This receiving device has a lateral opening with an internal thread into which the sting can be screwed.
• In the axial direction of the receiving device there is one opening extending bore with an internal thread is provided, into which a threaded rod is screwed, which has an intermediate piece outside the holding device and a wing nut as the locking device 25
• the external thread on the spike after screwing into the receiving device is a "fall protection”
• the locking device is also one Securing against forces in the opposite direction.
• FIGS. 8, 9 and 10 relate to a further exemplary embodiment of a spike system and, corresponding to FIGS. 6, 7 and 5, show a holding device, a receiving device with a locking device and a spike
• the spike has at one end 17 instead of an external thread a circumferential projection and its slot 16 extends from about half the height of the spike to its other end 18. It is advantageously inserted from above into the holding device, where a the projection of the Spike corresponding projection 26 in the inner diameter of the tube 19 of the holding device secures against falling out of the spike from the holding device.
• the receiving device unlike the receiving device of Fig. 7, has no internal thread, since such in the The embodiment described here is no longer necessary
• This embodiment is thus easier to manufacture and also shows the advantage that a microphone does not have to be installed in the spike system from above, for which purpose the spike system must be dismantled, as is still the case in the first exemplary embodiment.
• removal or insertion or A microphone can be inserted immediately after the spike tip is removed
• FIGS. 12 and 13 each show possible spike tips that can be attached to the spike system.
• FIG. 14 shows a built-in spike system according to the invention
• a spike system for double basses is created, which can be used with or without a microphone.
• the rebuilding of the spike system is quick and easy.

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• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Acoustics & Sound (AREA)
• Multimedia (AREA)
• Details Of Audible-Bandwidth Transducers (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=6426267

Family Applications (1)

Country Status (3)

Citations (3)

Family Cites Families (1)

• 1991
  • 1991-03-01 DE DE4106591A patent/DE4106591A1/de active Granted
• 1992
  • 1992-03-02 AU AU13649/92A patent/AU1364992A/en not_active Abandoned
  • 1992-03-02 WO PCT/EP1992/000450 patent/WO1992015983A1/de unknown

Patent Citations (3)

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