English to Chinese translations [PRO] Tech/Engineering - Metallurgy / Casting / Hardware | | English term or phrase: Jamb leaf | A hinge is secured to the jamb of a door frame and to a door in the frame. Behind the jamb leaf of the hinge the jamb is provided with a hole that is concealed by the hinge. The back of the jamb leaf is provided with a recess facing the hole. An electric switch and its operating magnet are mounted in a housing that is held in the jamb hole and projects into the jamb leaf recess. The housing is not attached to the hinge. In case the hinge leaves are substantially parallel when the door is closed, a ferrous area of the door leaf will activate the switch. If the hinge leaves are at right angles to each other when the door is closed, a ferrous metal area of the edge of the door itself activates the switch.
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| George GuoKudoZ activityQuestions: 70 (none open) ( 1 closed without grading) Answers: 136 China
| Local time: 06:16
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| | 门套页面 | Explanation: 这应当是欧式或日式合页,在门套上用螺钉固定门套页面。 |
| Selected response from: pastoral taylor China Local time: 06:16
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