发明名称 Adjustable door buck spreader
摘要 The present invention L elates to a door buck spreader having the capability to support and transport a door buck, or door frame, from its time of construction to its time of final installation. This spreader is a self-contained unit that does not require any additional support members or apparatus. The spreader is capable of setting standard size door and window bucks to bucks as large as eight feet across. The present invention is capable of precise adjustment due to the intel action between a threaded core member and two elongated tubular elements that each engage the core in one end and are rigidly attached to frame mounts at the other ends thereof. The present invention is further capable of adapting to most any door buck by means of longitudinally and laterally displaceable spacer elements and securing such door bucks to the spreader itself by means of a frame clamp assembly.
申请公布号 US5340095(A) 申请公布日期 1994.08.23
申请号 US19930081098 申请日期 1993.06.25
申请人 EICHER, III, CHARLES W. 发明人 EICHER, III, CHARLES W.
分类号 E04F21/00;(IPC1-7):E04F21/04;B23Q3/15 主分类号 E04F21/00
代理机构 代理人
主权项
地址