Template following mechanism

Details Template following mechanism Template following mechanism

1975-04-04

1977-07-05

Scott, Samuel

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

74422, F16H 1904

Patent

active

040331920

ABSTRACT:
A template follower mechanism for use in automatic sewing machines in which a driven pinion means is borne against a template consisting of at least two gear racks slidable against one another in two planes. The pinion means consists of a first driven pinion capable of meshing with the teeth of one of said gear racks, and a second pinion coaxial with the first pinion, capable of meshing with the other gear rack. Means for arresting and resetting the second pinion in a normal position are provided. The teeth of the second pinion are in alignment with the teeth of the first pinion. Stop means for limiting the rotary motion of the second gear rack about one tooth pitch, one half in clockwise direction and one half in counter-clock direction relating to the normal position.

REFERENCES:
patent: 2502057 (1950-03-01), Mitchell
patent: 3166270 (1965-01-01), DeJong
patent: 3447388 (1969-06-01), Darnell

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