JPH03104787U - - Google Patents
Info
- Publication number
- JPH03104787U JPH03104787U JP1206190U JP1206190U JPH03104787U JP H03104787 U JPH03104787 U JP H03104787U JP 1206190 U JP1206190 U JP 1206190U JP 1206190 U JP1206190 U JP 1206190U JP H03104787 U JPH03104787 U JP H03104787U
- Authority
- JP
- Japan
- Prior art keywords
- fulcrum
- trap door
- gear
- slit
- fulcrum projection
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示す斜視図、第２
図は本考案の動作原理を説明する概略構成図、第
３図は、従来例の概略構成図である。
１……トラツプドア、２……操作ノブ、３……
突起、４……ギア、５……筺体、６……スリツト
、７……ラツクギア。
Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a schematic configuration diagram for explaining the operating principle of the present invention, and FIG. 3 is a schematic configuration diagram of a conventional example. 1...trap door, 2...operation knob, 3...
Protrusion, 4... Gear, 5... Housing, 6... Slit, 7... Rack gear.
Claims (1)
該支点用突起と同軸に固設したギアと、筺体に設
けた前記トラツプドアの支点用突起を枢支するス
リツトと、該スリツトと略平行に配設し前記ギア
と噛合するラツクギアとで構成されたことを特徴
とするトラツプドアの開閉機構。 The fulcrum projections on both sides of the trap door,
It is comprised of a gear fixed coaxially with the fulcrum projection, a slit provided in the housing for pivotally supporting the fulcrum projection of the trapdoor, and a rack gear disposed substantially parallel to the slit and meshing with the gear. A trap door opening/closing mechanism characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1206190U JPH03104787U (en) | 1990-02-10 | 1990-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1206190U JPH03104787U (en) | 1990-02-10 | 1990-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104787U true JPH03104787U (en) | 1991-10-30 |
Family
ID=31515556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1206190U Pending JPH03104787U (en) | 1990-02-10 | 1990-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006298656A (en) * | 2005-04-15 | 2006-11-02 | Sadayuki Matsutani | Concrete admixture and concrete product |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0217886B2 (en) * | 1981-01-24 | 1990-04-23 | Kanegafuchi Chemical Ind |
-
1990
- 1990-02-10 JP JP1206190U patent/JPH03104787U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0217886B2 (en) * | 1981-01-24 | 1990-04-23 | Kanegafuchi Chemical Ind |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006298656A (en) * | 2005-04-15 | 2006-11-02 | Sadayuki Matsutani | Concrete admixture and concrete product |