Metal working – Means to assemble or disassemble – Slide fastener
Patent
1979-12-21
1981-10-27
Combs, Ervin M.
Metal working
Means to assemble or disassemble
Slide fastener
B23P 1900
Patent
active
042965470
ABSTRACT:
An apparatus for loading a pull tab on a slider body in a machine for progressively assembling sliders for slide fasteners is disclosed. The machine comprises a base, a turret supported on the base so as to rotate about its center axis and has a plurality of spaced-apart recesses arranged circumferentially around and on the turret for receiving and holding a slider body, a plurality of assembling stations arranged around the periphery of the turret, and means for intermittently rotating the turret so as to position the slider body holding recess successively opposite each of the stations. The apparatus is disposed at one of the assembling stations and comprises a pull tab supply means and a pull tab holding means. The pull tab supply means includes a holder provided on the base, a chute supported by the holder and extending substantially vertically for receiving longitudinally aligned pull tabs therein and directing them toward a pull tab receiving portion in the recess by gravity, and means for discharging pull tabs one by one from the chute. The pull tab holding means is positioned between the outlet of said chute and the pull tab receiving portion of the recess and is movable between an advanced position and a retracted position. The pull tab holding means forms a guide channel for pull tabs discharged from the chute between the outlet of the chute and the pull tab receiving portion of the recess in the advanced position and the guide channel is opened in the retracted position to thereby release the pull tab therefrom.
REFERENCES:
patent: 2287263 (1942-06-01), Nedal
patent: 2693217 (1954-11-01), Lange
patent: 2825126 (1958-03-01), Legat et al.
patent: 3138852 (1964-06-01), Mazura
patent: 3234635 (1966-02-01), Jakob
patent: 4135285 (1979-01-01), Weiner
Combs Ervin M.
Yoshida Kogyo K.K.
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