JPS6146593U - Piano roof plate opening/closing device - Google Patents
Piano roof plate opening/closing deviceInfo
- Publication number
- JPS6146593U JPS6146593U JP13139084U JP13139084U JPS6146593U JP S6146593 U JPS6146593 U JP S6146593U JP 13139084 U JP13139084 U JP 13139084U JP 13139084 U JP13139084 U JP 13139084U JP S6146593 U JPS6146593 U JP S6146593U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- projection
- roof plate
- closing device
- projection rod
- 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.)
- Pending
Links
Landscapes
- Closures For Containers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のグランドピアノの一例を示す正面図、第
２図はこの考案に係る屋根板開閉装置の一実施例を示す
収納状態の平面図、第３図は同装置の一部破断正面図、
第４図は屋根板の開閉状態を示す図である。
１・・・・・・ピアノ本体、２・・・・・・屋根板、１
ｏ・・曲屋根板開閉装置、」１・・・・・・第１の突上
棒、１２・・・・・・第２の突上棒、１３・・・・・・
第３の突上棒、１５・・・・・・軸、１６，２１・・・
・・・収納凹部（収納部）。Fig. 1 is a front view showing an example of a conventional grand piano, Fig. 2 is a plan view of an embodiment of the roof plate opening/closing device according to the invention in a stored state, and Fig. 3 is a partially cutaway front view of the same device. figure,
FIG. 4 is a diagram showing the opened and closed state of the roof board. 1...Piano body, 2...Roof plate, 1
o...Curved roof plate opening/closing device, 1...First protrusion bar, 12...Second protrusion bar, 13...
Third thrusting rod, 15... shaft, 16, 21...
...Storage recess (storage part).
Claims (1)
されて屋根板をその開閉度を変えて開放状態に支持する
第１、第２および第３の突上棒を備え、前記第１、第２
および第３の突上棒は１本の軸によって共通に支持され
て長さが異なり、第１の突上棒は第２の突上棒より長く
形成されてその基部に前記第２の突上棒を引出し自在に
収納する収納部を有し、前記第２の突上棒は前記第３の
突上棒より長く形成されてその基部に前記第３の突上棒
を引出し自在に収納する収納部を有することを特徴とす
るピアノの屋根板開閉装置。first, second, and third projecting rods each having one end vertically rotatably supported by the Pyrano main body to support the roof plate in an open state by changing the degree of opening/closing; 2
and third projection rods are commonly supported by one shaft and have different lengths, and the first projection rod is formed longer than the second projection rod and has the second projection rod at its base. The storage has a storage part that stores a rod in a manner that the rod can be freely drawn out, the second projection rod is formed longer than the third projection rod, and the third projection rod is stored in the base thereof in a manner that the third projection rod can be freely drawn out. 1. A piano roof plate opening/closing device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13139084U JPS6146593U (en) | 1984-08-31 | 1984-08-31 | Piano roof plate opening/closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13139084U JPS6146593U (en) | 1984-08-31 | 1984-08-31 | Piano roof plate opening/closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6146593U true JPS6146593U (en) | 1986-03-28 |
Family
ID=30689981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13139084U Pending JPS6146593U (en) | 1984-08-31 | 1984-08-31 | Piano roof plate opening/closing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6146593U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842882B2 (en) * | 1976-07-26 | 1983-09-22 | 株式会社小松製作所 | positioning device |
-
1984
- 1984-08-31 JP JP13139084U patent/JPS6146593U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842882B2 (en) * | 1976-07-26 | 1983-09-22 | 株式会社小松製作所 | positioning device |
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