Advancing material of indeterminate length – By orbitally traveling material-engaging surface – Comprising rotary pinch pair
Patent
1982-04-30
1984-02-07
Gilreath, Stanley N.
Advancing material of indeterminate length
By orbitally traveling material-engaging surface
Comprising rotary pinch pair
226187, 226194, B65H 5104, B65H 5132
Patent
active
044298218
ABSTRACT:
Planetary wire-feeding device having a housing containing rollers which freely rotate about axles arranged at an angle to each other and crossing the electrode wire being fed by the mechanism. In one embodiment disclosed herein the housing is of spherical form and is made of two identical hemispherical parts interconnected by means of connecting means which are placed in tension. Two opposite coaxial holes the geometrical axis of which lies at the contact plane between the two hemispherical parts of the housing are formed in the hemispheres. The unit for thrusting the opposed rollers toward each other and into engagement with the wire is formed as a support seat formed in each hemispherical part of the housing, the seats being parallel to the contact plane between such hemispherical parts. The limiting cylindrical part of the support and guiding component is mounted at the opposite ends of the support and guiding component in the two coaxial holes in the housing and the central hub thereof rests in the cylindrical seat provided in each hemispherical part above the supporting seat.
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patent: 4172545 (1979-10-01), Jones
Bogdanov Todor D.
Jelezov Jivko Y.
DSO "Izot"
Gilreath Stanley N.
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