Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1984-04-09
1985-06-11
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
352156, G03B 104, G11B 1532
Patent
active
045223521
ABSTRACT:
Coaxially disposed tape reels are driven independently of each other by motors located inside coaxial hubs on which the reels are held. The mechanisms for loading and unloading the reels include arc-segment-shaped levers pivoted at one end on rings and actuated at the other end in the space between the drive motors and the hub shells to push out their mid portions to provide, in sequence, clamping of the lower reel, provision of a support for the upper reel and clamping of the upper reel, with retraction of the levers in the reverse sequence enabling removal first of the top reel and then of the bottom reel. A grip knob at the top which can be turned relative to one or both of the hubs serves to actuate this mechanism.
REFERENCES:
patent: 3275255 (1966-09-01), Pitts
patent: 3322364 (1967-05-01), Dekker
patent: 3322365 (1967-05-01), Martin et al.
patent: 4121786 (1978-10-01), Hathaway
Christian Leonard D.
Robert & Bosch GmbH
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