GB2397328A - Quick-release device for a music stand - Google Patents

Quick-release device for a music stand Download PDF

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Publication number
GB2397328A
GB2397328A GB0300850A GB0300850A GB2397328A GB 2397328 A GB2397328 A GB 2397328A GB 0300850 A GB0300850 A GB 0300850A GB 0300850 A GB0300850 A GB 0300850A GB 2397328 A GB2397328 A GB 2397328A
Authority
GB
United Kingdom
Prior art keywords
quick
release device
rod
locking block
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB0300850A
Other versions
GB2397328B (en
GB0300850D0 (en
Inventor
Wu-Hong Hsieh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KHS Musical Instrument Co Ltd
Original Assignee
KHS Musical Instrument Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KHS Musical Instrument Co Ltd filed Critical KHS Musical Instrument Co Ltd
Priority to GB0300850A priority Critical patent/GB2397328B/en
Priority to DE20300740U priority patent/DE20300740U1/en
Publication of GB0300850D0 publication Critical patent/GB0300850D0/en
Publication of GB2397328A publication Critical patent/GB2397328A/en
Application granted granted Critical
Publication of GB2397328B publication Critical patent/GB2397328B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/18—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using cams, levers, eccentrics, or toggles
    • F16B2/185—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using cams, levers, eccentrics, or toggles using levers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/041—Allowing quick release of the apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/021—Locking means for rotational movement
    • F16M2200/022—Locking means for rotational movement by friction

Abstract

A quick-release device is used for a music support stand composed of a vertical rod (50) and a boom rod (40). The quick-release device consists of a body (10), a locking block (30) and a lever (20). The body (10) has a head (11), a rod socket (13) and a locking cavity (12). The head (11) is adapted to attach to the boom rod (40). The rod socket (13) is adapted to receive the vertical rod (50). The locking cavity (12) has an inner space (123) to communicate with an inner hole (131) in the rod socket (13). The locking block (30) is movably mounted inside the locking cavity (12), and the lever (20) is pivotally attached to the body (10) to press the locking block (30) against the vertical rod (50) or to release the locking block (30). As shown the head (11) is an apertured plate intended to form part of a pivot mounting but it can take the form of a threaded rod.

Description

1 397328
QUICK-RELEASE DEVICE FOR A MUSIC SUPPORT STAND
1. Field of the Invention
The present invention relates to a device for a music support stand, and more particularly to a quick-release device for a music support stand, which can be connected or disconnected quickly and easily.
2. Description of Related Art
Multiple music support stands are used to hold objects for musicians, performers, speakers, etc. For example, a music stand is used to hold sheets of music score when a musician plays or a microphone stand is used to support a microphone for singers, speakers and certain musicians.
With reference to Fig. 8, a conventional microphone stand is composed of a boom rod (40) and a vertical rod (50).
The vertical rod (50) adapts to connect to a base (not shown) and has a threaded end (51) to connect to a fitting on the boom rod (40).
The boom rod (40) is mounted at an angle on the vertical rod (50) and has a bracket (41) formed on the boom rod (40). A stub (52) is rotatably mounted in the bracket (41) and has a free end with a threaded hole (not shown) corresponding to the threaded end (51) of the vertical rod (50) to attach the boom rod (40) to the vertical rod (50).
However, the conventional supporting stand has the following drawbacks during use.
1. When the boom rod (40) attaches to the vertical rod (50), either the boom rod (40) has to be screwed onto the vertical rod (50), or the vertical rod (50) has to be screwed into the boom rod (40). However, the boom rod (40) is too long to rotate easily, and the vertical rod (50) mounted on the base is also too heavy to rotate easily. Therefore, attaching or detaching elements of the conventional music supper stand is difficult.
2. Combining the boom rod (40) and the vertical rod (50) together by threading way is time-consuming and threads defined in the threaded end (51) of the vertical rod (50) and the threaded hole of the stub (52) are easily worn out after using for a period of time.
The present invention has arisen to mitigate or obviate the disadvantages of the conventional culturing chamber.
The main objective of the present invention is to provide a quick-release me Amp which is easily connected or disconnected.
device for a music Supper..._, Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
IN THE DRAWINGS
Fig. 1 is a perspective view of a quick-release device for a music support stand in accordance with the present invention; Fig. 2 is an exploded perspective view of the quick-release device for the music support stand in Fig. 1; Fig. 3 is an enlarged side plan view in partial section of the quick-release device for a music support stand in Fig. 1 in a released position; Fig. 4 is an enlarged side plan view in partial section of the quick-release device for a music support stand in Fig. 1 in a locked position; Fig. 5 is an exploded perspective view of the quick- release device in Fig 1 used with a music support stand; Fig. 6 is a perspective view of the quick-release device in Fig 1 used with the music support stand in Fig. 5; Fig; 7 is an exploded perspective view of a second embodiment of the quick-release device in accordance with the present invention; and Fig. 8 is a perspective view of a conventional microphone stand.
With reference to Figs 1 and 2, a quick-release device for a music support stand in accordance with the present invention comprises a body (10), a lever (20) and a locking block (30).
The body (10) is composed of a head (11), a rod socket (13) and a locking cavity (12). The head (11) is round and flat and has a central hole (15), two sides (not numbered) and multiple ribs (112) formed radially on the sides. With further reference to Fig. 5, the rod socket (13) has an outer periphery and a rod hole (131) and is formed under the head (11) to adapt to receive a vertical rod (50) with a curved periphery. A U-shaped locking cavity (12) is formed on the outer periphery of the rod socket (13) and has two sidewalls (122), a bottom (not numbered) and an inner space (123) defined by the sidewalls (122) and the bottom. A pivot hole (121) is defined through each sidewall (122), and the pivot holes (121) in the sidewalls (122) are aligned. The inner space (123) has a transverse channel (14) with a transverse length, which communicates with rod hole (131) of the rod socket (13).
The locking block (30) and the lever (20) are mounted inside the inner space (123).
The locking block (30) has a distal end (not numbered), a proximal end (not numbered), a concave face (32), a flat head (31) and a transverse length slightly longer than the transverse length of the channel (14) and is movably mounted in the channel (14). The concave face (32) is formed on the distal end of the locking block (30) and corresponds to the curved periphery of the vertical rod (50). The flat head (31) with two lips (311) is formed on the proximal end of the locking block (30).
The lips (311) prevent the locking block (30) from sliding completely into the rod hole (131) when a rod is not in the rod socket (30).
The lever (20) is a long strip with a pivot end (21) and a tab (22) and is pivotally mounted in the locking cavity (12) to press the locking block (30). With further reference to Fig. 3, the pivot end (21) has an eccentric head with a widened portion (202) and a pivot hole (201) defined through the eccentric head to align with the pivot holes (121) in the sidewalls (122). A pivot pin (24) or a rivet passes through the pivot holes (121, 201) to pivotally mount the lever (20) in the U-shaped locking cavity (12).
When the quick-release device for a music support stand is in a released position, the eccentric head (21) does not press against the flat head (31) and allows the locking block (30) to move in the channel (14) out from and to release pressure on a vertical rod (50) in the rod hole (131). Therefore, the vertical rod (50) can be easily inserted into or withdrawn from the rod hole (131).
With reference to Fig. 4, the quick-release device is locked by pushing the lever (20) upward to make the eccentric head rotate until the widened portion (202) pushes the locking block (30) against the vertical rod (SO). Thereby, the vertical rod s (50) is firmly held in the rod socket (13) with the quick-release device.
With reference to Figs. 5 and 6, after attaching the quick-release device to the vertical rod (50), the head (11) adapts to be clamped in the bracket (41) on the boom rod (40) as described in the description of the conventional music support stand. Then, bracket and the head (11) are secured by a bolt and a nut to form the music support stand.
According to foregoing description, the music support rod can be attached quickly by attaching the quick-release device to the vertical rod (50) first and then attaching the boom rod (40) to the head (11). The lever (20) controls the releasing or locking of the locking block (30) to fasten or loosen the vertical rod (50) by pushing the tab (22). When the quick-release device is released, the vertical rod (50) can be simply withdrawn from the rod socket (30) to detach the boom rod (40). Therefore, there is no need to rotate the vertical rod (50) or the boom rod (40) for detaching.
With reference to Fig. 7, a second embodiment of the quick-release device has a threaded post (16) instead of the circular head (11) to correspond to the stub (52) with a threaded hole in the prior art. All other aspects of the second embodiment are the same as the first embodiment.
Although the invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the spirit and scope of the invention as hereinafter claimed.

Claims (10)

  1. CLAIMS: 1. A quick-release device adapted to connect a vertical rod (50)
    to a boom rod (40) of a music support stand, the quick-release device comprising: a body (10) having a head (11) adapted to connect to the boom rod (40); a rod socket (13) with an outer periphery formed under the head (11) to adapt to receive the vertical rod (50); and a locking cavity (12) formed on the outer periphery of the rod socket (13) and having two sidewalls (122) and an inner space (123) defined by the sidewalls (122), wherein the inner space (123) further has a channel (14) with a transverse length communicating with a rod hole (131) in the rod socket (13); a locking block (30) movably mounted inside the channel (14) and having a transverse length slightly longer than the transverse length of the channel (14); and a lever (20) pivotally mounted inside the inner space (123) ofthe locking cavity (12) and having a pivot end (21) and a free end, wherein the pivot end (21) is an eccentric head having a widened portion (202) to press against the locking block (30) to firmly attach to the vertical rod (50) when the lever (20) is pushed to a locked position.
  2. 2. The quick-release device as claimed in claim 1, wherein the locking block (30) has a proximal end, a distal end, a concave face (32) formed on the distal end to adapt to press against the vertical rod (50) and an flat head (31) and formed on the proximal end of the locking block (30).
  3. 3. The quick-release device as claimed in claim 1, wherein the lever (20) is rotatably mounted on the locking cavity ( 12) by a rivet.
  4. 4. The quick-release device as claimed in claim 2, wherein the lever (20) is rotatably mounted on the locking cavity (12) by a rivet.
  5. 5. The quick-release device as claimed in claim 3, wherein the head (11) is a circular plate having multiple ribs (112).
  6. 6. The quick-release device as claimed in claim 4, wherein the head (11) is a circular plate having multiple ribs (112).
  7. 7. The quick-release device as claimed in claim 3, wherein the head is a threaded rod (16).
  8. 8. The quick-release device as claimed in claim 4, wherein the head is a threaded rod (16).
  9. 9. The quick-release device as claimed in claim 4, wherein two lips (311) are further formed outwardly from the flat head (31) to prevent the locking block (30) from sliding completely into the rod hole (131) of the rod socket (30) when the rod hole (131) is empty.
  10. 10. A quick-release device according to Claim 6, wherein the locking block (30) includes a lip (311) extending from either side of the flat head (31) thereof, the lips (311) preventing the locking block (30) from sliding completely into the first bore (13) when the first bore (13) is empty.
    A quick-release device according to Claim 8, wherein the locking block (30) includes a lip (311) extending from either side of the flat head (31) thereof, the lips (311) preventing the locking block (30) from sliding completely into the first bore (13) when the first bore (13) is empty.
    10. The quick-release device as claimed in claim 6, wherein two lips (311) are further formed outwardly from the flat head (31) to prevent the locking block (30) from sliding completely into the rod hole (131) of the rod socket (30) when the rod hole (131) is empty.
    11. The quick-release device as claimed in claim 8, wherein two lips (311) are further formed outwardly from the flat head (31) to prevent the locking block (30) from sliding completely into the rod hole (131) of the rod socket (30) when the rod hole (131) is empty.
    Amendments to the claims have been filed as follows: 1. A quick-release device for removably securing a boom rod (40) of a music support stand to a first end of a vertical rod (50), the quick- release device comprising: a body (10); a lever (20); and a locking block (30), the body (10) defining: lo (i) an engagement member (11,16) at a first end thereof, the engagement member (11,16) co-operating in-use with a fixture on the boom rod (40) to secure the boom rod (40) to the engagement member (11,16); (ii) a first bore (13) extending from a second end of the body (10), the first bore (13) including a second, narrower bore (131) extending from an inner end thereof, the first and second bores (13, 131) receiving the first end of the vertical rod (50); and (iii) a locking cavity (12) on one side of the body (10), the locking cavity including two side walls (122) defining an inner space (123), and a through-going bore (14) formed in communication with the first bore (13) , to the through-going bore (14) movably receiving the locking block (30); and the lever (20) including a pivot end (21) and a free end (22), the pivot end (21) defining an eccentric head including a widened portion (202), whereby the lever when pivotally mounted-in the inner space (123) of the locking cavity (12) is engageable with the locking block (30), the widened portion (202) of the lever (20) urging the locking block (30) into engagement with the first end of the vertical rod (50) to secure the quick release device to the first end of the vertical rod (50).
    2. A quick-release device according to Claim 1, wherein the locking block (30) includes a proximal end and a distal end, the proximal end defining a flat head (31), and the distal end defining a concave face (32) that inuse co-operates with the first end of the vertical rod (50).
    3. A quick-release device according to Claim 1, wherein the lever (20) is rotatably mounted in the locking cavity (12) by a rivet.
    4. A quick-release device according to Claim 2, wherein the lever (20) is rotatably mounted on the locking cavity (12) by a rivet.
    5. A quick-release device according to Claim 3, wherein the lo engagement member (11) is a circular plate having a plurality of ribs (112).
    6. A quick-release device according to Claim 4, wherein the engagement member (11) is a circular plate having a plurality of ribs (112).
    is 7. A quick-release device according to Claim 3, wherein the engagement member ( 16) is a threaded rod.
    8. A quick-release device according to Claim 4, wherein the engagement member (16) is a threaded rod.
    9. A quick-release device according to Claim 4, wherein the locking block (30) includes a lip (311) extending from either side of the flat head (31) thereof, the lips (311) preventing the locking block (30) from sliding completely into the first bore (13) when the first bore (13) is empty.
GB0300850A 2003-01-15 2003-01-15 Quick-release for a music support stand Expired - Fee Related GB2397328B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0300850A GB2397328B (en) 2003-01-15 2003-01-15 Quick-release for a music support stand
DE20300740U DE20300740U1 (en) 2003-01-15 2003-01-17 Quick release device for a music column tripod

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0300850A GB2397328B (en) 2003-01-15 2003-01-15 Quick-release for a music support stand
DE20300740U DE20300740U1 (en) 2003-01-15 2003-01-17 Quick release device for a music column tripod

Publications (3)

Publication Number Publication Date
GB0300850D0 GB0300850D0 (en) 2003-02-12
GB2397328A true GB2397328A (en) 2004-07-21
GB2397328B GB2397328B (en) 2004-10-20

Family

ID=32992103

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0300850A Expired - Fee Related GB2397328B (en) 2003-01-15 2003-01-15 Quick-release for a music support stand

Country Status (2)

Country Link
DE (1) DE20300740U1 (en)
GB (1) GB2397328B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2421273A (en) * 2004-12-17 2006-06-21 K H S Musical Instr Co Ltd Transverse quick-release connector for stand

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2937018B1 (en) * 2014-04-23 2018-01-10 King Slide Works Co., Ltd. Slide rail system with connecting device used for slide rail assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2277297A1 (en) * 1974-07-04 1976-01-30 Cullmann Handel Telescopic, lockable tripod support fixture - incorporates clamping sleeves with two arms locating clamp lever
US4185936A (en) * 1977-08-05 1980-01-29 Kenlock Corporation Locking device in a telescopic tripod leg assembly
US5154449A (en) * 1991-02-27 1992-10-13 Suei Long Peter L Extensible rod

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2277297A1 (en) * 1974-07-04 1976-01-30 Cullmann Handel Telescopic, lockable tripod support fixture - incorporates clamping sleeves with two arms locating clamp lever
US4185936A (en) * 1977-08-05 1980-01-29 Kenlock Corporation Locking device in a telescopic tripod leg assembly
US5154449A (en) * 1991-02-27 1992-10-13 Suei Long Peter L Extensible rod

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2421273A (en) * 2004-12-17 2006-06-21 K H S Musical Instr Co Ltd Transverse quick-release connector for stand

Also Published As

Publication number Publication date
GB2397328B (en) 2004-10-20
DE20300740U1 (en) 2003-03-20
GB0300850D0 (en) 2003-02-12

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130115