首页 / 专利库 / 企业组织 / 流程图 / Device for protecting elevator cage

Device for protecting elevator cage

阅读:887发布:2022-07-08

专利汇可以提供Device for protecting elevator cage专利检索,专利查询,专利分析的服务。并且PURPOSE: To prevent passengers from being enclosed within an elevator cage and a motor from burning by detecting the fact that the cage does not start within predetermined time after a departure instruction is applied to the cage and the cage door is closed and dispatching a signal to open the cage door.
CONSTITUTION: The operation from when an elevator cage detects a call to when it starts elevating is shown in a flow chart. When a block 11 detects a call, it produces a departure instruction. The block 13 conducts preparations such as cage door and energization of a motor armature upon reception of the instruction, and starts the cage after confirmation of the operations. If the cage door is not completely closed to cause the cage not to start, the blocks 11, 15 detect the malfunction to operate a protecter 16 to thereby open the cage door and release and departure instruction to permit the cage not to elevate and to warn an alarm from a block 18.
COPYRIGHT: (C)1979,JPO&Japio,下面是Device for protecting elevator cage专利的具体信息内容。

高效检索全球专利

专利汇是专利免费检索,专利查询,专利分析-国家发明专利查询检索分析平台,是提供专利分析,专利查询,专利检索等数据服务功能的知识产权数据服务商。

我们的产品包含105个国家的1.26亿组数据,免费查、免费专利分析。

申请试用

分析报告

专利汇分析报告产品可以对行业情报数据进行梳理分析,涉及维度包括行业专利基本状况分析、地域分析、技术分析、发明人分析、申请人分析、专利权人分析、失效分析、核心专利分析、法律分析、研发重点分析、企业专利处境分析、技术处境分析、专利寿命分析、企业定位分析、引证分析等超过60个分析角度,系统通过AI智能系统对图表进行解读,只需1分钟,一键生成行业专利分析报告。

申请试用

QQ群二维码
意见反馈