Recharging device for czochralski method

Details Recharging device for czochralski method Recharging device for czochralski method

1989-10-25

1991-04-23

Straub, Gary P.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

C30B 3500, C30B 1502, B66C 166

Patent

active

050098640

ABSTRACT:
A recharging device suitable for use in a Czochralski-type monocrystal ingot pulling apparatus, includes a shaft (3) which is suspended from a pulling element (1), a ring slider (8) capable of sliding along the shaft, a stopper (20) for stopping the downward movement of the ring slider, a pair of hooks (9, 11, 13) pivotably connected to the shaft below the ring slider and capable of assuming hooking and unhooking positions, and a pair of rods (16) each having one end connected to the hooks such that when the ring slider slides upward relative to the shaft the pair of the rods cause the hooks to assume their unhooking position, and when the ring slider slides downward relative to the shaft the rods cause the hooks to assume their hooking position.

REFERENCES:
patent: 2507549 (1950-05-01), Smith et al.
patent: 3156496 (1964-11-01), Davidson
patent: 4659421 (1987-04-01), Jewett

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