B - Operations – Transporting – 27 – B
Patent
B - Operations, Transporting
27
B
143/75
B27B 33/06 (2006.01) B23D 61/12 (2006.01)
Patent
CA 1243587
BANDSAW JOINT ABSTRACT OF THE DISCLOSURE The invention provides a disconnectable band saw joint assembly for connecting together in axial alignment end portions of a bandsaw. The joint assembly does not require welding, and as such can be easily separated to permit threading of the bandsaw through a hole drilled in a plate to permit sawing of a closed ended cut or loop within the plate. This eliminates the normal practice of breaking and rewelding a band saw for cutting a closed loop within a plate. Furthermore, because the joint is cold, it does not affect temper of the saw portions adjacent the joint. The assembly has male and female connections, the female connections having a neck recess and a head recess, and the male connection having a head portion and a neck portion which fit within the neck recess and the head recess respectively. The recess has at least one main recess edge, and the head portion has at least one main head edge, both edges being disposed normally to longitudinal axis of the saw. When the saw joint is under tension, the main head edge is in direct edge-to-edge contact with the main recess edge to permit limited hinging between the end portions about a main hinge axis coincident with the main edges and disposed normally to the saw axis.
476939
Carver & Company
Gardner Dennis S.
LandOfFree
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