JPH03120750U - - Google Patents
Info
- Publication number
- JPH03120750U JPH03120750U JP2909690U JP2909690U JPH03120750U JP H03120750 U JPH03120750 U JP H03120750U JP 2909690 U JP2909690 U JP 2909690U JP 2909690 U JP2909690 U JP 2909690U JP H03120750 U JPH03120750 U JP H03120750U
- Authority
- JP
- Japan
- Prior art keywords
- lid
- removal
- alarm
- removal alarm
- alarm according
- 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
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Emergency Alarm Devices (AREA)
Description
第１図〜第３図は夫々本考案の取り外し警報器
付蓋の説明図、第４図は従来の養生蓋の説明図で
ある。 １……スラブ、２……開口、３……蓋（養生蓋
）、４……取り外し警報器、５……足。
付蓋の説明図、第４図は従来の養生蓋の説明図で
ある。 １……スラブ、２……開口、３……蓋（養生蓋
）、４……取り外し警報器、５……足。
Claims (1)
- 【実用新案登録請求の範囲】 (1) 蓋の取り外しによつて生じた姿勢変化を検
知して警報を発する取り外し警報器を有すること
を特徴とする蓋。 (2) 上記取り外し警報器が蓋の傾斜によつて作
動する請求項１記載の取り外し警報器付蓋。 (3) 蓋を取り外して設置した場合蓋が傾斜して
設置されるよう上記蓋に支えを設けた請求項１又
は２記載の取り外し警報器付蓋。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2909690U JPH03120750U (ja) | 1990-03-23 | 1990-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2909690U JPH03120750U (ja) | 1990-03-23 | 1990-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03120750U true JPH03120750U (ja) | 1991-12-11 |
Family
ID=31531875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2909690U Pending JPH03120750U (ja) | 1990-03-23 | 1990-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03120750U (ja) |
-
1990
- 1990-03-23 JP JP2909690U patent/JPH03120750U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH03120750U (ja) | ||
| USD247722S (en) | Bracket support for a workman's plank | |
| JPH01129224U (ja) | ||
| NO891761D0 (no) | Akustisk omvandler med lyddempende stoette, saerlig av typen "wood's horn". | |
| JPS5971627U (ja) | 頭部傾斜報知器 | |
| JPS62158589U (ja) | ||
| JPH03107396U (ja) | ||
| JPH0221946U (ja) | ||
| JPH0440966U (ja) | ||
| JPH025178U (ja) | ||
| JPH01147730U (ja) | ||
| JPH01143971U (ja) | ||
| JPS61121943U (ja) | ||
| JPH01171986U (ja) | ||
| JPS6386106U (ja) | ||
| JPH01155871U (ja) | ||
| JPH0425519U (ja) | ||
| JPH01136581U (ja) | ||
| JPH0266018U (ja) | ||
| JPH02111424U (ja) | ||
| JPH0247651U (ja) | ||
| JPH0413389U (ja) | ||
| JPS6423841U (ja) | ||
| JPH01177246U (ja) | ||
| JPH02149573U (ja) |