Abstract: This invention relates to a push-button type switch comprising electrical contacts actuated by a head made up of a command button (1) associated with a body (2) within which is housed a piston (4) and a push rod (6) acting on electrical contacts which are able to slide and to pivot within the body (2) along an axis (X—X) without being able to pivot relative to one another, the push rod (6) being fitted with a first catch (7) and a second catch (8) characterized by the fact that the piston (4) is fitted with a command device (41) capable, when the button (1) is pushed, of actuating the first catch (7) called the stop catch immobilizing the push rod (6) in the “stand-by” position and then releasing the push rod (6) which can move into the “held” position where it is immobilized by the second catch (8) which is used to maintain contact.

Abstract: This invention relates to a push-button type switch comprising electrical contacts actuated by a head made up of a command button (1) associated with a body (2) within which is housed a piston (4) and a push rod (6) acting on electrical contacts which are able to slide and to pivot within the body (2) along an axis (X-X) without being able to pivot relative to one another, the push rod (6) being fitted with a first catch (7) and a second catch (8) characterized by the fact that the piston (4) is fitted with a command device (41) capable, when the button (1) is pushed, of actuating the first catch (7) called the stop catch immobilizing the push rod (6) in the “stand-by” position and then releasing the push rod (6) which can move into the “held” position where it is immobilized by the second catch (8) which is used to maintain contact.

Abstract: The movable contact (52) of an on-off switch is moved, through drive means (5), by balls (4) rotated by a disc (23) in the peripheral surface of which regularly spaced cavities are provided to accomodate the balls. The balls can be either withdrawn or inserted through a channel or bore (20) which can be closed by a plug (7) so that the switching pattern can be varied depending upon the angular position of the disc. The device can be used e.g. in a selector switch or a program control apparatus.