Apparatus for fastening misaligned structural members

Details Apparatus for fastening misaligned structural members Apparatus for fastening misaligned structural members

1981-10-19

1986-09-23

Schmidt, Frederick R.

Tool driving or impacting

Means to drive tool about an axis

Means to hold and relatively rotate sections of tool shaft

173 13, 81 5711, 81429, B23Q 500

Patent

active

046130004

ABSTRACT:
A powered fastening tool described herein is useful to align and secure structural members to each other, the structural members having misaligned securing apertures. To accomodate this misalignment two eccentric bushings are nested and swaged together to be inserted into one of the misaligned apertures to be turned therein by the powered tool until an alignment is reached. The tool holds a fastener while concurrently rotating each eccentric bushing at an independent rate until hole alignment is achieved. At this point, the tool inserts the fastener through the hole in the lower structure and is then used to rotate the fastener into threaded engagement.

REFERENCES:
patent: 938113 (1909-10-01), Bocorselski
patent: 1881728 (1932-10-01), Levedahl
patent: 1954620 (1934-04-01), Connell
patent: 2501217 (1950-03-01), Hawn
patent: 2789597 (1957-04-01), La Torre
patent: 3331269 (1967-07-01), Sauter
patent: 3916734 (1975-11-01), Sawan
patent: 4030383 (1977-06-01), Wagner

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