JP3926907B2 - フック過巻防止装置 - Google Patents

フック過巻防止装置 Download PDF

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Publication number
JP3926907B2
JP3926907B2 JP33584497A JP33584497A JP3926907B2 JP 3926907 B2 JP3926907 B2 JP 3926907B2 JP 33584497 A JP33584497 A JP 33584497A JP 33584497 A JP33584497 A JP 33584497A JP 3926907 B2 JP3926907 B2 JP 3926907B2
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Japan
Prior art keywords
detector
signal
weight
reduced
load acting
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Expired - Fee Related
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JP33584497A
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English (en)
Japanese (ja)
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JPH11165988A (ja
JPH11165988A5 (enExample
Inventor
兼一 鷺谷
毅 河村
順市 成澤
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Hitachi Construction Machinery Co Ltd
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Hitachi Construction Machinery Co Ltd
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Priority to JP33584497A priority Critical patent/JP3926907B2/ja
Publication of JPH11165988A publication Critical patent/JPH11165988A/ja
Publication of JPH11165988A5 publication Critical patent/JPH11165988A5/ja
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Publication of JP3926907B2 publication Critical patent/JP3926907B2/ja
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JP33584497A 1997-12-05 1997-12-05 フック過巻防止装置 Expired - Fee Related JP3926907B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33584497A JP3926907B2 (ja) 1997-12-05 1997-12-05 フック過巻防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33584497A JP3926907B2 (ja) 1997-12-05 1997-12-05 フック過巻防止装置

Publications (3)

Publication Number Publication Date
JPH11165988A JPH11165988A (ja) 1999-06-22
JPH11165988A5 JPH11165988A5 (enExample) 2005-01-20
JP3926907B2 true JP3926907B2 (ja) 2007-06-06

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ID=18293034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33584497A Expired - Fee Related JP3926907B2 (ja) 1997-12-05 1997-12-05 フック過巻防止装置

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JP (1) JP3926907B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109534199A (zh) * 2018-12-07 2019-03-29 湖南考思特电子有限公司 护板型多功能防过卷开关
CN116374827B (zh) * 2023-06-05 2023-09-19 东鼎建设有限公司 用于建筑施工的起重机吊臂导引机构

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Publication number Publication date
JPH11165988A (ja) 1999-06-22

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