Formed pivot for toggle lever and method of making

Details Formed pivot for toggle lever and method of making Formed pivot for toggle lever and method of making

1979-03-15

1981-02-10

Pollard, Steven M.

Electricity: circuit makers and breakers

Electric switch details

Actuators

200315, H01H 304

Patent

active

042503698

ABSTRACT:
A formed pivot structure for a pivotally operable lever mounted in a bushing such as a toggle switch lever bushing. The pivot is provided by a suitable through-hole, opposite blind holes or circular groove in the enlarged portion of the lever into which thin portions of the bushing, either perforated or unperforated, are punched from opposite sides of the bushing. This provides a pair of aligned pivots affording free pivoting of the toggle lever in one plane while retaining it snugly from wobbling out of said plane. The pivot is formed by the method of forming opposite thin sections in the bushing, forming notches in the toggle lever such as the through-hole, opposite blind holes counter-sunk if desired, or circular beveled groove in the enlarged, partial-spherical portion of the toggle lever, inserting the toggle lever within the bushing and retaining it therein in position while two punches are actuated to form the thin sections of the bushing into the corresponding notches in the toggle lever for a close fit while allowing free pivoting of the toggle lever in one plane.

REFERENCES:
patent: 2355781 (1944-08-01), Cardinal
patent: 2434065 (1948-01-01), Courtney
patent: 3237460 (1966-03-01), Morse
patent: 3350521 (1967-10-01), Brown
patent: 3434195 (1969-03-01), Ritsema
patent: 3434196 (1969-03-01), Lavengood
patent: 3581033 (1971-05-01), Plumb
patent: 4162386 (1979-07-01), Bourgeois et al.

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