Apparatus for aligning an article relative to a datum

Details Apparatus for aligning an article relative to a datum Apparatus for aligning an article relative to a datum

1983-12-08

1987-08-18

Lee, John

Work holders

Relatively movable jaws

Jaw features

269 58, 269142, 269157, 269902, G02B 636, B25B 106

Patent

active

046872876

ABSTRACT:
Apparatus for aligning an article, for example an optical fiber, relative to a datum, for example a Vee groove, another fiber, or a light source, includes means for manipulating the article in two intersecting directions. The manipulating means comprises a part fixed relative to the datum and a first arm coupled to the fixed part by a hinge. A second arm is coupled by a second hinge to the first arm at a position adjacent the first hinge. Adjacent its proximal end, the second arm carries a mount for the fiber. The arrangement is such that pivoting of the first arm displaces the mount in one of the intersecting directions. Pivoting of the second arm displaces the mount in the other of the intersecting directions. Preferably, the fixed part, hinges and arms are integral with one another, substantially eliminating play and backlash. The apparatus affords precise manipulation of articles such as single-mode optical fibers prior to and during fusion splicing. Another aspect of the invention comprises an arrangement of two gripping jaws, one for each of two filaments, and two actuators, one for each gripping jaw, disposed either side of a medial plane through the apparatus. The right-hand actuator operates the left-hand jaw, and vice-versa. A third aspect comprises gripping means in the form of a tappet to distribute contact along the fiber, preferably pivotal slightly to ensure even contact with the fiber throughout the contact region.

REFERENCES:
patent: 2381584 (1945-08-01), Fulleton
patent: 3885859 (1975-05-01), Dalgleish et al.
patent: 4274707 (1981-06-01), Pacey et al.
patent: 4274708 (1981-06-01), Cocito et al.
patent: 4313744 (1982-02-01), Toda
patent: 4319902 (1982-03-01), Hensel
patent: 4522463 (1985-06-01), Schwenda et al.
patent: 4548630 (1985-10-01), Biedka
patent: 4556282 (1985-12-01), Delebecque

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