Apparatus for inspecting the attached state of slide fastener st

Details Apparatus for inspecting the attached state of slide fastener st Apparatus for inspecting the attached state of slide fastener st

1994-09-30

1997-07-01

Williams, Hezron E.

Measuring and testing

Inspecting

738659, 29767, G01M 1900

Patent

active

056440928

ABSTRACT:
An apparatus for continuously inspecting the attached states of successive bottom stop boxes attached to separable slide fasteners, which has a pair of tape grip members movable forwardly and backwardly along a travelling path of a fastener tape to which the individual bottom stop box is attached. The tape grip members are situtated upwardly and downwardly of the fastener tape travelling path in confronting relationship, each of which being pivotally movable about the horizontal axis extending through its central portion. The tape grip members have their upstream ends urged toward each other, and an air cylinder for forcedly turning their downstream ends toward and away from each other. The apparatus has a moving body situated on one side of the grip members for moving forwardly and backwardly together with the grip members, a contact member situated in a fixed position in a path of movement of the moving body and normally urged toward the moving body by a predetermined resilience, and a sensor for detecting an amount of movement of the grip members when the moving body is moved to a predetermined length against the predetermined resilience in contact with the contact member.

REFERENCES:
patent: 4545118 (1985-10-01), Fisher et al.
patent: 4631818 (1986-12-01), Sassa et al.
patent: 4671122 (1987-06-01), Igarashi
patent: 4697319 (1987-10-01), Umino

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