Snap-engaging apparatus for a rotable component

Details Snap-engaging apparatus for a rotable component Snap-engaging apparatus for a rotable component

1996-01-26

1998-04-28

Hoang, Tu B.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338152, 338162, 338173, 200443, H01C 1032

Patent

active

057450250

ABSTRACT:
A snap-engaging apparatus for use in a rotatable electrical component, particularly a rotatable switch or a rotatable resistor, makes it easier to find operational positions. The snap-engaging apparatus includes a rotor (3) which is formed as a hollow body to have an axial opening and a radial, or circumferential, wall (7). A leaf spring (8) is tensioned to have a U-shape with its ends (9, 11) being self supported against diametrically positioned parts of the circumferential wall (7). A snap-engaging contour wall surface (19) coaxially surrounds the rotor, with a snap-engaging nose (15), formed on an extension (14) of one end of the leaf spring, being springingly urged thereagainst in a radial direction. The circumferential wall (7) has an opening (17) through which the snap-engaging nose (15) extends.

REFERENCES:
patent: 2396970 (1946-03-01), Riling
patent: 2631212 (1953-03-01), Lindsay et al.
patent: 2632830 (1953-03-01), Aust et al.
patent: 2980770 (1961-04-01), Nabstedt
patent: 3579169 (1971-05-01), Dickinson
patent: 3643044 (1972-02-01), Batchller
patent: 3973094 (1976-08-01), Kuhn
patent: 5187464 (1993-02-01), Forgacs
Bauelement der Feinmechanik (Components of Precision Mechanics); by O. Ritcher and R.v.Voss; Sixth Edition; pp. 266 and 267; Fig.

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