Band mill strain mechanism

Details Band mill strain mechanism Band mill strain mechanism

1973-12-07

1976-03-30

Schran, Donald R.

Cutting

By endless band or chain knife

With means to guard the tension

83818, B27B 1308, B23D 5510

Patent

active

039466345

ABSTRACT:
Strain mechanism for bandmill using deadweight lever mechanism in which undesirable effects of inertia of counterweight and friction at knife edges are reduced. Rolling diaphragm air cylinder is used in one of three positions. In first position cylinder extends between arbor carrier arm and plunger tube and supplies portion of saw strain permitting lighter counterweight. In second position it extends between counterweight arm and plunger tube and eliminates counterweights. In third position counterweight is supported on counterweight arm by yoke supported by cylinder which resiliently mounts weight.

REFERENCES:
patent: 532663 (1895-01-01), Hanson
patent: 693337 (1902-02-01), Thomas
patent: 879500 (1908-02-01), Stevens
patent: 2729003 (1956-01-01), Cohn et al.
patent: 2973015 (1961-02-01), Thompson

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