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公开(公告)号:US3729084A
公开(公告)日:1973-04-24
申请号:US3729084D
申请日:1971-03-22
CPC分类号: B65G47/82
摘要: Retractive movement of the brick engaging member is controlled by a plurality of piston and cylinder assemblies connected in tandem thereto and displaceable therewith when desired to an inoperative position.
摘要翻译: 砖接合构件的回缩运动由多个与其串联连接的活塞和气缸组件控制,并且当需要时可与其移位到非操作位置。