Cutting – Tool or tool with support – Endless band or belt type
Patent
1985-03-25
1987-08-11
Kazenske, E. R.
Cutting
Tool or tool with support
Endless band or belt type
83835, 403341, 403381, 474253, B23D 6112, B27B 3306
Patent
active
046853685
ABSTRACT:
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 jaw 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.
REFERENCES:
patent: 161263 (1875-03-01), Newhall
patent: 230934 (1880-08-01), Gale et al.
patent: 554803 (1896-02-01), Tiemann
patent: 837439 (1906-12-01), Wallace
patent: 853282 (1907-05-01), Wallace
patent: 1013469 (1912-01-01), Aufinson
patent: 1306741 (1919-06-01), Blanchard
Jones Eugenia A.
Kazenske E. R.
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