Cutting apparatus

Details Cutting apparatus Cutting apparatus

1985-12-10

1987-10-13

Schran, Donald R.

Cutting

Tool or tool with support

Toothed blade or tooth therefor

83615, 30392, 30394, 74 44, B26D 106

Patent

active

046990364

ABSTRACT:
Cutting apparatus (15) for cutting-out stacks of sheet material such as fabric has a guide (55) for a reciprocating cutter (16), driven by a drive mechanism (18) arranged in a housing (19). The housing (19) is mounted on a carrier (8) extending above a cutting-out table (2). The cutter (16) is driven from an eccentric (38) arranged on a rotary member (36). A counterweight (41) is driven from a second eccentric (39) with an eccentricity (e) which is oppositely directed to the eccentricity (e) of the first eccentric (38) driving the cutter (16), to compensate for inertial forces generated by the mass of the cutter (16). The cutting apparatus (15) is free of turning moments acting substantially in a plane lying in the axis (36) of therotary member (32), by arranging the eccentrics (38, 39) in a turning plane (E.sub.1) on the two rotary members (32, 33), the members (32, 33) lying one behind the other with respect to the cutting direction (34) of the cutter (16) and rotating at the same speed as each other.

REFERENCES:
patent: 1643721 (1927-09-01), Meyer
patent: 2639737 (1953-05-01), Forsberg
patent: 3448781 (1969-06-01), Angelucci

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