A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
To prevent failure of locking in a thumb-turn lock.SOLUTION: A warning light or a warning sound is transmitted when a rotation knob of the thumb-turn lock is in an unlocked direction.SELECTED DRAWING: Figure 1
【課題】サムターン錠において、閉め忘れを防止する。【解決手段】サムターン錠の回転ツマミが無施錠時の方向によって、警告灯または警告音を発信させる。【選択図】図１
To prevent failure of locking in a thumb-turn lock.SOLUTION: A warning light or a warning sound is transmitted when a rotation knob of the thumb-turn lock is in an unlocked direction.SELECTED DRAWING: Figure 1
【課題】サムターン錠において、閉め忘れを防止する。【解決手段】サムターン錠の回転ツマミが無施錠時の方向によって、警告灯または警告音を発信させる。【選択図】図１
THUMB-TURN LOCK
サムターン錠
OSHIMA TOSHIRO (author)
2021-06-03
Patent
Electronic Resource
Japanese
IPC:
E05B
LOCKS
,
Schlösser
Door lock apparatus having improved thumb-turn lever assembly structure
| European Patent Office | 2017
| European Patent Office | 2022