Handling: hand and hoist-line implements – Contact lens applicator
Patent
1984-05-14
1986-02-18
Marbert, James B.
Handling: hand and hoist-line implements
Contact lens applicator
403164, 410 85, 410101, 248499, 248500, B23B 4300
Patent
active
045709874
ABSTRACT:
The invention involves a swivel eyebolt of the type which relies on a threaded stud to anchor a bonnet and accompanying ring to a load allowing the bonnet 360.degree. or rotation. Of special consequence is the structure which features a bushing applied around the exposed part of the stud and held in place by the head of the stud so that a flange on the bushing engages the load. The bonnet in turn is clamped rotatably on the bushing so that the bonnet in fact rotates about the bushing as well as about the stud.
REFERENCES:
patent: 240380 (1881-04-01), Buck
patent: 3297293 (1967-01-01), Andrews et al.
patent: 4431352 (1984-02-01), Andrews
Tsui Shui K.
Wong Hon
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