Saw resistant lock

作者: Warren M. Shwayder , John T. Loftus

DOI:

关键词:

摘要: A lock formed of a bar and shackle whose legs extend into transverse holes in the bar. rotatable bolt extends within is completely concealed overlaps leg portions located Aligned notches permit to be rotated position wherein peripheral thereof for locking bar, second align with movement relative unlocking. Locking means arranged selective manual rotation bolt. The may saw resistant material form closed, loop.

参考文章(1)
Baruch Sfar, Warren M. Shwayder, Saw and impact resistant lock shackle ,(1972)