CARRYING DEVICE FOR MUSICAL INSTRUMENTS
20200219471 ยท 2020-07-09
Inventors
Cpc classification
F16G11/14
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F16G11/101
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
A45F5/00
HUMAN NECESSITIES
Y10S224/91
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
International classification
Abstract
A device for adjusting the length of a cord for carrying a wind instrument comprises two parts which can be pushed into one another, of which the first cup-shaped part has a recess and four openings and the second part has, as insert, a groove with a U-turn as well as a recess and two guide grooves. A cord piece is guided around the groove, out of the device and through an eyelet of a hook. A further cord piece is guided through the guide grooves and the four openings. The device allows the cord piece to be guided through the groove, which is completely separated from the guidance of cord pieces through the guide grooves. The guide grooves contain elements for deflecting and inhibiting the movement of the cord pieces. The device enables a stable and torsion-proof handling of the length adjustment of the cord. The device makes it possible that the cord length cannot adjust automatically, not even if the cord is not tensioned.
Claims
1. A device for adjusting the length of a cord comprising a first part formed in a cup-shaped manner and a second part formed as an insert, wherein the the first and second parts can be pushed into each other and a spring is arranged between the the first and second parts, wherein the cup-shaped first part has, in a circumferential edge, a recess or entrance opening for the purpose of guiding through two cord pieces or two straps and at least two further openings in the circumferential edge for two further cord pieces or two further straps, wherein the first of the at least two further openings is arranged adjacent to the recess or entrance opening and the second of the at least two further openings is arranged opposite the first said further opening in the circumferential edge, wherein the insert has a middle part, a circumferential edge, and a groove with a U-turn formed by the circumferential edge and the middle part, and the circumferential edge has a recess leading into the groove, and the insert comprises at least one channel for receiving one cord piece or one strap each such channel, wherein the at least one channel has in each case elements for deflecting and for inhibiting the movement of the cord or the strap and the at least one channel is completely separated from the groove with the U-turn.
2. The device according to claim 1, wherein the at least two further openings comprise: four further openings for one cord piece each, wherein the first and second openings of these four further openings are arranged on both sides of the recess or entrance opening in the cup-shaped first part and the third and fourth openings are arranged opposite the first and second opening in the circumferential edge, wherein the insert has on the outside of the circumferential edge and on both sides of the recess two lateral guide grooves, each for a respective one cord piece, and said lateral guide grooves having elements for deflecting and inhibiting the movement of a cord therein, wherein said lateral guide grooves are completely separated from the groove with the U-turn in the insert.
3. The device according to claim 2, wherein the insert has a recess in the middle part for accommodating the spring.
4. The device according to claim 2, wherein the elements for deflecting and inhibiting the movement of a cord through the lateral guide grooves are formed by mutually angled surfaces.
5. The device according to claim 2, wherein the elements for deflecting and inhibiting the movement of a cord through the lateral guide grooves comprise projections in the cup-shaped first part and recesses in the insert, wherein the projections in the interior of the cup-shaped first part extend perpendicularly away from its base surface and the recesses in the insert are arranged in the circumferential edge of the insert, wherein the projections engage in the recesses and project into the lateral guide grooves.
6. The device according to claim 3, wherein the cup-shaped first part has in its interior a pin for fixing the position and alignment of the spring and the insert has in its middle part a recess into which the pin engages.
7. The device according to claim 1, wherein the recess or entrance opening in the the cup-shaped first part comprises an entrance opening for the purpose of guiding through two cord pieces or two straps, and the first further opening is arranged adjacent to the entrance opening and the second further opening is arranged opposite the first further opening on the circumferential edge of the cup-shaped first part, and wherein the insert has a channel formed as a passage, leading from an entrance adjacent the entrance opening to an exit opposite the entrance, wherein the passage comprises elements for deflecting and inhibiting the movement of cords or straps, and the groove of the insert is completely separated from the entrance of the channel.
8. The device according to claim 7, wherein the insert has in its middle part a recess for accommodating the spring.
9. The device according to claim 7 wherein, the elements for deflecting and inhibiting the movement of cords or straps are formed to inhibit the movement of a cord or strap through the passage by mutually angled surfaces.
10. The device according to claim 7, wherein the cup-shaped first part has in its interior a pin for fixing the position and alignment of the spring, and the insert has in its middle part a recess into which the pin engages.
11. A carrying device for carrying a musical instrument comprising a device according to claim 1 and at least one of a carrying strap for the neck of a user or a carrying frame for shoulders of a user, a cord and an attachment for the cord to the musical instrument.
12. The carrying device according to claim 11, wherein the attachment of the cord to the musical instrument is a hook with an eyelet.
Description
BRIEF DESCRIPTION OF THE FIGURES, WHEREIN
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[0069] The same reference numerals have respectively been used in the figures for the to same elements and initial explanations apply to all figures, unless explicitly stated otherwise.
EMBODIMENTS OF THE INVENTION
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[0074] The insert 20 has a groove 24 which extends away from recess 23 and forms a U-shaped turn or other similar turn, wherein the turn is approximately 180. In the middle of the insert 20, enclosed by the groove 24, there is a middle part 25 with a depression in which a spring 26 can be placed. When inserting the insert 20 into the cup-shaped part 10, the pin 16 engages in the depression as well as in the spring 26.
[0075] The insert 20 also has two symmetrically arranged lateral guide grooves 28 in the circumferential surface 22 which begin on both sides of the recess 23 and extend along the surface 22 around a part of the insert 20, wherein their ends are preferably disposed on the side of the insert 20 opposite the recess 23. The guide grooves 28 are used to guide cord pieces. According to the invention, they have elements for deflecting and inhibiting the movement of cords. In the illustrated embodiment, these elements are in the form of beveled surfaces 29, which lead to each other and meet in a tip 29.
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[0077] First a cord piece 4a is inserted into the insert 20, in particular into the groove 24 with the U-turn and around the middle part 25. The two ends of the cord piece 4a then lead through the recess 23 of the insert 20 and the recess 13 of the cup-shaped part 10 out of the device 3 and are tied through the eyelet 5 of the hook 5. After the eyelet 5, the two cord pieces, now marked 4b, lead back to device 3 and through the openings 14 of the cup-shaped part 10 and along the guide grooves 28 of the insert 20. The cord pieces 4b then lead on the opposite side out of the guide grooves 28 of the insert 20 and through the openings 15 of the cup-shaped part 10 out of the device 3 again. Then the cord pieces, now marked 4c, lead to a carrying strap or carrying frame as shown in
[0078] If the length of the cord is changed, the length of the cord pieces 4a and 4b is changed, i.e. the length of the double guided cord is extended or shortened. The length of the single guided piece 4c also changes accordingly. With a length adjustment, however, the part of the cord which is located in the groove 24 with U-turn always remains in place. Only the parts of the cord move that lead through the guide grooves 28. The device 3 can be moved along the cord pieces in the guide grooves 28 when the insert 20 is pressed into the cup-shaped part 10 against the force of the spring 26, so that the openings 14 and 15 coincide most with the entrances and exits of the guide grooves 28. Then the device 3 can be moved up or down or the cord length can be shortened or lengthened. If the pressure on the insert 20 and on the spring 26 is decreased, the spring releases and the insert 20 moves slightly out of the cup-shaped part 10 again. In this process, the entrances and exits of the guide grooves 28 become narrower and the cord pieces are firmly clamped between the two parts 10 and 20.
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[0080] The elements for deflecting the cord in the guide grooves, i.e. the surfaces 29 of the guide grooves 28 leading obliquely to each other, cause due to the friction that the position of the device according to the invention cannot change under the weight of the musical instrument. If the musical instrument weighs more, the friction in the deflection also increases. The spring 26 between the cup-shaped part 10 and the insert 20 of the device serves mainly to lock the device when the musical instrument is held high by the musician and the cord is not tensioned and the deflection does not generate friction.
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[0082] The associated insert 40, as shown in
[0083] In this embodiment, the elements for inhibiting and deflecting the cord in the guide to grooves are formed by projections 37 in the cup-shaped part 30, which engage through correspondingly positioned recesses 47 in the insert 40 and project into the guide grooves 48. The projections 37 are shown in
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[0087] For this purpose, the cup-shaped part 51 comprises an entrance opening 53 and the insert part comprises a first opening 54 and a second, opposite opening 55. These have an elongated cross-section which is adapted to a strap. The ends of the straps 4, 4 are held in the insert part 52 in a groove with a recess through which the straps 4, 4 are guided out. The insert 52 also has a channel 56, in this case a passage 56.
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LIST OF REFERENCE NUMERALS
[0093] 1 Carrying device for carrying a musical instrument
[0094] 2 Carrying strap/neck strap
[0095] 3 Device for adjusting the length of a cord
[0096] 3 Variant of the first embodiment of the device for adjusting the length of a cord
[0097] 4 Cord
[0098] 4a,b,c Cord piece
[0099] 4, 4 Flat cord, strap
[0100] 5 Hook
[0101] 5 Eyelet
[0102] 10 First, outer part of the device for adjusting the length, cup-shaped part
[0103] 11 Base of the first part
[0104] 12 Circumferential edge of the first part
[0105] 13 Recess
[0106] 14 Openings at the bottom edge of the first part
[0107] 15 Openings at the upper edge of the first part
[0108] 16 Pin
[0109] 20 Second, inner part of the device for adjusting the length, insert part
[0110] 21 Upper surface of the second part, insert part
[0111] 22 Circumferential surface of the second part
[0112] 23 Recess
[0113] 24 Groove with U-turn
[0114] 25 Middle part of the groove 24 with recess for spring
[0115] 26 Spring
[0116] 27 Lateral guide groove
[0117] 28 Inner wall of lateral guide groove
[0118] 28 Surface of the guide groove 28
[0119] 29 Element for deflecting/inhibiting the movement of the cord
[0120] 29 Connection between surfaces 29
[0121] 30 Cup-shaped first part
[0122] 31 Base
[0123] 32 Circumferential edge
[0124] 33 Recess
[0125] 34 Openings at the lower end
[0126] 35 Openings at the upper end
[0127] 36 Pin
[0128] 37 Element to inhibit the movement of the cord, projection
[0129] 40 Insert part
[0130] 41 Upper surface
[0131] 42 Circumferential edge surface
[0132] 43 Recess
[0133] 44 Guide groove with U-turn
[0134] 45 Middle part of the groove with recess for spring
[0135] 47 Recess for projection 37
[0136] 48 Lateral guide groove
[0137] 48 Surface of the guide groove 48
[0138] 50 Device, second embodiment
[0139] 51 Cup-shaped part
[0140] 52 Insert part
[0141] 53 Entrance opening
[0142] 54 First opening
[0143] 55 Second opening
[0144] 56 Passage
[0145] 57 Recess
[0146] 58 Groove
[0147] 59 Circumferential edge
[0148] 60 Middle part
[0149] 61 Depression
[0150] 62 Spring
[0151] 63 Entrance to passage
[0152] 64 Angled surface
[0153] 65 Angled surface
[0154] 66 Exit from passage
[0155] 67 Hole in strap