Stroke adjustment apparatus for light projector of button settin

Details Stroke adjustment apparatus for light projector of button settin Stroke adjustment apparatus for light projector of button settin

1990-01-22

1991-10-29

Yost, Frank T.

Elongated-member-driving apparatus

With means to position 'mating-member' in alignment with driver

Comprising feed means for 'mating-member'

227119, 227156, 29721, A41H 3710

Patent

active

050608398

ABSTRACT:
An apparatus for adjusting the stroke of a light projector of a button setting machine includes a rod connected at its one end to the light projector, a holder holding the opposite end of the rod and pivotably connected to one end of a pivotable actuating lever pivotally movable in response to the reciprocating movement of an upper pusher, a leaf spring acting between the actuating lever and the rod to urge the latter upwardly, a spring urging the actuating lever to turn in a direction to retract the light projector from a path of movement of a punch, and an adjustable stopper engageable with the actuating lever to limit pivotal movement of the same against the force of the spring. With this construction, the light projector has a stroke considerably shorter than the stroke of the upper pusher and can be adjusted independently of the stroke of the upper pusher.

REFERENCES:
patent: 3964661 (1976-06-01), Schmidt et al.
patent: 4573834 (1986-03-01), Nasu
patent: 4605150 (1986-08-01), Ikehara
patent: 4615473 (1986-10-01), Taga
patent: 4645110 (1987-02-01), Taga
patent: 4723357 (1988-02-01), Suyama et al.
patent: 4765524 (1988-08-01), Yoshieda
patent: 4799611 (1989-01-01), Taga
patent: 4840301 (1989-06-01), Seki

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