Patent Number: 6,512,441

Title: Push-button switch of overload protection (II)

Abstract: A push-button switch with overload protection is disclosed. The switch comprises a housing, a conducting unit, and an actuating unit. The conducting unit comprises several terminals, a normal-open first conducting leaf and a thermally deflecting bimetal sheet. The bimetal sheet is of a U shape having a working end and an opening end. The working end can deflect to an overload position from a normal position in the event of overload. The actuating unit comprises a stem, a positioning means, a rocking lever, an enabling lever, and a lever reseating member. By means of the above structure, a trip action could be assured no matter what happens on the stem.

Inventors: Yu; Tsung-Mou (Taipei Hsien, TW)


International Classification: H01H 73/00 (20060101); H01H 73/30 (20060101); H01H 13/50 (20060101); H01H 13/56 (20060101); H01H 037/02 (); H01H 037/32 (); H01H 037/46 ()

Expiration Date: 01/28/2020