Handling: hand and hoist-line implements – Contact lens applicator
Patent
1986-08-28
1987-10-13
Marbert, James B.
Handling: hand and hoist-line implements
Contact lens applicator
403119, 403164, 410101, 410 85, 24115K, 248499, 248500, B23B 4300, F16G 1508
Patent
active
046994106
ABSTRACT:
A swivel connector includes a ring (1) which is assembleable into a slot (5) in a hoist member (2), with the slot having an open end forming an enlarged bifurcated recess portion (8). The ring and hoist are assembled to an annular housing (9) and a first nut (14) is positioned for sliding movement and relative rotation within the housing and is threaded onto the slotted end of the hoist member. A plug (16) is positioned within the bifurcated hoist slot recess end and a second nut (17) having a threaded axial opening is secured within the housing. A threaded shaft (22) is provided and which is threadably disposed within the second nut opening and in relatively loose engagement with the plug. The shaft extends outwardly for securement to the load or the like. During swiveling use, the ring (1), hoist (2), plug (22) and first nut (14) turn together, with the other elements remaining fixed.
REFERENCES:
patent: 2748646 (1956-06-01), Harold et al.
patent: 3297293 (1967-01-01), Andrews et al.
patent: 3371951 (1968-03-01), Bryant
patent: 3628820 (1971-12-01), Blatt
patent: 3680906 (1972-08-01), Neumeier
patent: 3905633 (1975-09-01), Larson
patent: 4074519 (1978-02-01), Garrett
patent: 4431352 (1984-02-01), Andrews
patent: 4558979 (1985-12-01), Andrews
patent: 4641986 (1987-02-01), Tsui et al.
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