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1. 发明授权

US4987976A Telescoping portable lift 失效
标题翻译：伸缩便携式电梯
公开(公告)号：US4987976A
公开(公告)日：1991-01-29
申请号：US880123
申请日：1986-06-30
申请人： Andrew H. Daugherty
发明人： Andrew H. Daugherty
IPC分类号： B66B9/16 , B66F9/06
CPC分类号： B66F9/06 , B66B9/16 , Y10T16/540256
摘要： A manually-operated portable lift which may telescopically raise its mast or post so as to raise a lifting platform above the lift's initial height. The lift may be folded up to a compact and easily-moved configuration for ease of transport and storage. The lift includes a base with built-in outriggers which can be easily snapped out to fixed extended positions and returned to their storage positions. The outrigger is automatically latched in either such position but not between them. The base portion forward of the post can be manually unlatched and folded up parallel to the post. The platform and its arms have provision for manually mounting the arms of the platform in a low lifting position, a high lifting position, and a compact storage position wherein the arms are adjacent the platform. An extension mast is provided in either a storage position adjacent the main mast or as an extension of that mast. A manual winch is provided with dual handles--one long and one short--for greater or lesser mechanical advantage and slower or faster operation.
摘要翻译：手动式手提式升降机，其可以伸缩地升高其桅杆或支柱，以将提升平台升高到升降机初始高度之上。升降机可以折叠成紧凑且容易移动的构造，以便于运输和储存。电梯包括一个带有内置支架的底座，可以轻松地弹出到固定的扩展位置并返回到其存放位置。外伸支架自动锁定在这样的位置，但不在它们之间。柱的前部的基部可以手动解锁并平行于柱子折叠。平台及其臂具有手动将平台的臂安装在低提升位置，高提升位置和紧凑的存放位置，其中臂邻近平台。延伸桅杆设置在与主桅杆相邻的存储位置中或作为桅杆的延伸部分。手动绞车配有双手柄 - 一个长和一个短，以获得更大或更小的机械优势，更快或更快的操作。

2. 外观设计

USD306368S Telescoping portable mechanical lift 失效
公开(公告)号：USD306368S
公开(公告)日：1990-02-27
申请号：US882695
申请日：1986-07-07
申请人： Andrew H. Daugherty
设计人： Andrew H. Daugherty

3. 发明授权

US4421209A Lift apparatus 失效
标题翻译：升降机
公开(公告)号：US4421209A
公开(公告)日：1983-12-20
申请号：US342653
申请日：1982-01-25
申请人： Howard H. Vermette , Andrew H. Daugherty
发明人： Howard H. Vermette , Andrew H. Daugherty
IPC分类号： B66F9/06 , B66F9/075 , B66B9/20
CPC分类号： B66F9/07559 , B66F9/06 , B62B2203/10
摘要： A lift apparatus comprising a wheeled base and a post mounted upright on the base. A fork lift having a guide frame which straddles the post and provided with rollers to travel on the post. The post is comprised of a plurality of interchangeable post segments releasably connected end to end. A winch mounted on one of the interchangeable post segments and a cable connected thereto and to the fork lift is operable to raise and lower the fork lift. This one post segment carries a bar to engage the guide frame to pivot the fork lift to a position parallel to this post segment to provide a compact arrangement and maintain the cable taut when the lift is disassembled. The winch includes a narrow groove cable pulley or spool so that connecting the winch device centrally of the post segment positions the rotational plane of the pulley in the center of the post with the result that no side resultant forces will be produced by the cable and no bracing required. The wheeled base is provided with stair-climbing tracks, and centrally therebetween lugs are provided to support an outrigger leg to vertically stabilize the lift. An extension shelf for the fork lift is provided to augment the work surface of the lift and to increase the height reaching capabilities of the lift. The extension shelf may be removed completely from the fork lift or may remain as part of the fork lift and folded as a back support therefor.
摘要翻译：一种提升装置，包括一个轮式底座和一个直立安装在底座上的柱子。一种叉车，具有跨过柱子的导向框架，并设置有在柱上行进的辊子。该柱由多个可互换的柱段构成，可互换的柱段能够端接地可释放地连接。安装在可互换的柱段之一上的绞盘和连接到其上的电缆和叉车可操作以升高和降低叉车升降。该一个柱段带有一个杆，以使引导框架接合以将叉车转动到平行于该柱段的位置，以提供紧凑的布置，并且当升降机被拆卸时保持缆绳的拉紧。绞车包括窄槽电缆滑轮或线轴，使得连接在柱段中间的绞盘装置将滑轮的旋转平面定位在柱的中心，结果是电缆不会产生侧向合力，需要支撑轮式底座设有爬梯轨道，并且在其间的中间设置有用于支撑外伸支腿以使电梯垂直稳定的凸耳。提供用于叉式升降机的延伸架以增加电梯的工作表面并增加升降机的高度。延伸架可以从叉式升降机完全移除，或者可以作为叉车的一部分保持，并作为后支撑折叠。

4. 外观设计

USD274571S Mobile lift 失效
公开(公告)号：USD274571S
公开(公告)日：1984-07-03
申请号：US342654
申请日：1982-01-25
申请人： Howard H. Vermette
设计人： Howard H. Vermette

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