Metal working – Means to assemble or disassemble – With randomly actuated stopping or disabling means
Patent
1983-11-16
1985-06-04
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
With randomly actuated stopping or disabling means
29408, B23P 1904
Patent
active
045205604
ABSTRACT:
A slider holding apparatus comprises a support vertically slideable on a base for supporting a slider upside down with a pull tab received in a slit of the support, and a lever having a locking projection and pivotable on the base between a slider-holding position in which the locking projection projects into the slit to lock the pull tab and a slider-release position in which the locking projection is retracted out of the slit to unlock the pull tab. The support is normally urged upwardly by a first spring, and the lever is normally urged by a second spring to the slider-release position. The apparatus further includes means for detecting when the support as depressed against the bias of the first spring arrives at a predetermined lower position, and means, responsive to detection of the arrival of the support, for driving the lever to the slider-holding position against the bias of the second spring.
REFERENCES:
patent: 3812571 (1974-05-01), Dori
patent: 3844016 (1974-10-01), Kawakami
patent: 3874057 (1975-04-01), Kawakami et al.
patent: 3945103 (1976-03-01), Fujisaki et al.
patent: 3956813 (1976-05-01), Shigeno
patent: 4329778 (1982-05-01), Doori
patent: 4397454 (1983-08-01), Nagagawa
patent: 4416060 (1983-12-01), Nagagawa
patent: 4437233 (1984-03-01), Yoshieda
Goldberg Howard N.
Nichols Steven
Yoshida Kogyo K. K.
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