Combination bolt sizing tool

Details Combination bolt sizing tool Combination bolt sizing tool

1998-05-06

2000-04-11

Noori, Max

Measuring and testing

Inspecting

3350108, 335017, G01M 1900

Patent

active

060476060

ABSTRACT:
A combination bolt sizing tool comprising an upper surface plate, a lower surface plate, a pivot pin, a tensioning wheel and a plurality of bolt-sizer blades. The pivot pin connects the upper surface plate to the lower surface plate. The plurality of bolt-sizer blades are pivotally mounted by the pivot pin such that the free end of each blade may be rotated outward for use and then rotated back between the upper and lower surface plates. The tensioning wheel controls pressure on the blades, making them easier or harder to pivot.
The free end of each bolt-sizer blade has a circular cutout of a specified diameter. The specified diameter of each bolt-sizer blade is different than the specified diameter of the circular cut-outs of other bolt-sizer blades. Each blade is visibly marked with the size of its respective circular cutout. The tool may include a second plurality of bolt-sizing blades, held by a second pivot pin, or a plurality of thread-pitch gauges held by the second pivot pin.

REFERENCES:
patent: 191315 (1877-05-01), Coleman
patent: 318051 (1885-05-01), Starrett
patent: 987703 (1911-03-01), Curtin
patent: 1107276 (1914-08-01), Farrington
patent: 1875784 (1932-09-01), Walker
patent: 2498171 (1950-02-01), Michler
patent: 4283858 (1981-08-01), Sobczak
patent: 4517747 (1985-05-01), Morin
patent: 4677751 (1987-07-01), Masseth
patent: 5471757 (1995-12-01), McDonald
patent: 5617644 (1997-04-01), Bonelli
patent: 5875558 (1999-03-01), Bakke et al.

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