Joints and connections – Having a joining piece extending through aligned openings in...
Patent
1979-10-26
1982-01-05
Moon, Charlie T.
Joints and connections
Having a joining piece extending through aligned openings in...
29240, 29271, 29467, 29526R, 81 3R, F16B 502, B23Q 300, B23P 1904, B25B 2714
Patent
active
043091237
ABSTRACT:
Set out herein is a fastener assembly which, together with a fastening tool may be used to align and secure structural members to each other, the structural members having misaligned securing apertures. Particularly, this invention relates to a device consisting of two eccentric bushings nested and swaged together while still permitting their relative rotation, and a special tool used for their installation. The present invention also relates to the use of the nested eccentric bushings with multiple threaded fasteners and nuts, and spiral cam ended pins with spring retainers to achieve a quick-release attachment. In addition, this invention relates to the retention of the fastener members in the nested bushing assembly and the retention of the bushing assembly in the access panel when the panel is removed. The present invention relates to the use of the nested eccentric bushings in conjunction with standard round shank screws, bolts, platenuts, nuts, washers and other fastener hardware. More particularly, each bushing of an assembly provides a means of indexing the installation tool. The tool holds the fastener and simultaneously rotates each eccentric bushing independently until hole alignment of the mating parts is achieved. Further, at this point, the tool injects the fastener through the hole in the lower structure and is then used to rotate the fastener sufficiently to engage its receptacle.
REFERENCES:
patent: 3006443 (1961-10-01), Siler
patent: 3099470 (1963-07-01), Zumbusch
patent: 3254690 (1966-06-01), Neuschotz
patent: 3289290 (1966-12-01), Sandor
patent: 3357730 (1967-12-01), Siler
patent: 3509618 (1970-05-01), Siler
patent: 3590461 (1971-07-01), Siler
Bak-Boychuk I. Michael
Moon Charlie T.
Rajac Corporation
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