发明名称 Stretcher With Improved Use Efficiency
摘要 A litter comprising two arm shafts. The first arm shaft being the lock receiving frame arm and having a first locking member and a locking shaft having a second locking member. The second and first members interact to releasably retain the two arm shaft adjacent one another. Strap retaining means, each interacting with a strap, are place separately along the first arm shaft. The second arm shaft is a strap receiving arm with at least one ratchet dimensioned to receive a strap. A one torque limiter prevents each strap from being tightened beyond a preset tension point. A ratchet shaft, with a handle, is within the second arm shaft and in rotatable connection with each ratchet. Each arm shaft has a lockable handle rotatable around each end, able to rotate to serve as handles or legs.
申请公布号 US2013239332(A1) 申请公布日期 2013.09.19
申请号 US201313776668 申请日期 2013.02.25
申请人 PRINGLE-PARKER JASON 发明人 PRINGLE-PARKER JASON
分类号 A61G1/044 主分类号 A61G1/044
代理机构 代理人
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