Press-button controlled electric switch

Claim 2

An electric push-button switch of the kind comprising, in a hollow body carrying two contact terminals normally insulated from one another, a connection means controlled by a push-button and mounted for axial movement in the body between a disconnected position of rest, in which the connection means is at a distance from the contact terminals, and a connected working position in which the connection means is in contact with each of the contact terminals and makes an electrical connection between them; resilient return means urging the connection means in the direction of its position of rest, and cam means disposed between the body and the connection means for the purpose of determining the position of rest and the working position of the connection means and the controlled movement of the connection means from one of these positions to the other, the said cam means comprising a catch pin and a guide plate adapted to co-operate with the catch pin and carrying, on the one hand, two axially spaced retaining notches and, on the other hand, two oblique displacement paths on the axis of movement of the connection means in the body, for the directed passage of the catch pin from one of the retaining notches to the other, wherein the guide plate is rigidly fastened to the connection means and the catch pin which cooperates therewith is carried by said body, said connection means including a metal plate for cooperation with resiliently deformable metal strips forming the associated contact terminals, the said metal strips being fixed at one of their ends to the body and conjointly forming, on the path of the metal plate of the connection element and at a distance from the said end, a zone of reduced width smaller than the corresponding dimension of the metal plate.

Claim 3

A switch according to claim 1, wherein the metal strips forming the contact terminals are composed of the internal extension of connection pins which project outside the cylindrical body.

Claim 4

A switch according to claim 1, wherein the connection elements comprise on the one hand the internal extension of an independent connection pin and on the other hand an independent contact connected to one of the contact terminals, and wherein the resilient return means urging the connection means in the direction of its position of rest comprises a metal spring interposed between the metal plate carried by the connection means and the base closing the body, said spring permanently making electrical connection between the plate and the independent contact carried by the base.

Claim 5

An electric push-button switch of the kind comprising in a hollow body carrying two contact terminals normally insulated from one another, a connection means controlled by a push-button and mounted for axial movement in the body between a disconnected position of rest, in which the connection means is at a distance from the contact terminals, and a connected working position in which the connection means is in contact with each of the contact terminals and makes an electrical connection between them; resilient return means urging the connection means in the direction of its position of rest, and cam means disposed between the body and the connection means for the purpose of determining the position of rest and the working position of the connection means and the controlled movement of the connection means from one of these positions to the other, the said cam means comprising a catch pin and a guide plate adapted to co-operate with the catch pin and carrying, on the one hand, two axially spaced retaining notches and, on the other hand, two oblique displacement paths on the axis of movement of the connection means in the body, for the directed passage of the catch pin from one of the retaining notches to the other, wherein the guide plate is rigidly fastened to the connection means and the catch pin which co-operates therewith is carried by said body, at its opposite end to that where the push-button is disposed said body is closed by a removable base carrying around a lampholder, a tubular case extending substantially axially in the body in the direction of the said push-button, and said lampholder being carried by a base engaged in a bore in the removable base of the body.

Claim 6

An electric push-button switch of the kind comprising in a hollow body carrying two contact terminals normally insulated from one another, a connection means controlled by a push-button and mounted for axial movement in the body between a disconnected position of rest, in which the connection means is at a distance from the contact terminals, and a connected working position in which the connection means is in contact with each of the contact terminals and makes an electrical connection between them; resilient return means urging the connection means in the direction of its position of rest, and cam means disposed between the body and the connection means for the purpose of determining the position of rest and the working position of the connection means and the controlled movement of the connection means from one of these positions to the other, the said cam means comprising a catch pin and a guide plate adapted to co-operate with the catch pin and carrying, on the one hand, two axially spaced retaining notches and, on the other hand, two oblique displacement paths on the axis of movement of the connection means in the body, for the directed passage of the catch pin from one of the retaining notches to the other, wherein the guide plate is rigidly fastened to the connection means and the catch pin which co-operates therewith is carried by said body, at its opposite end to that where the push-button is disposed said body is closed by a removable base carrying around a lampholder, a tubular case extending substantially axially in the body in the direction of the said push-button, and said lampholder being carried by a base engaged in a bore in the removable base of the body.

Claim 7

A switch according to claim 4, wherein the lamp-holder is removable, being extended by resiliently deformable legs which are extended beyond the base of the body carrying the lamp-holder, so as to form gripping means, and which are provided with engagement means, such as bosses or recesses for cooperating with complementary engagements means, such as recesses or bosses, formed in or on the base.

Claim 8

An electric push-button switch of the kind comprising, in a hollow body carrying two contact terminals normally insulated from one another, a connection means controlled by a push-button and mounted for axial movement in the body between a disconnected position of rest, in which the connection means is at a distance from the contact terminals, and a connected working position in which the connection means is in contact with each of the contact terminals and makes an electrical connection between them; resilient return means urging the connection means in the direction of its position of rest, and cam means disposed between the body and the connection means for the purpose of determining the position of rest and the working position of the connection means the controlled movement of the connection means from one of these positions to the other, the said cam means comprising a catch pin and a guide plate adapted to co-operated with the catch pin and carrying, on the one hand, two axially spaced retaining notches and, on the other hand, two oblique displacement paths on the axis of movement of the connection means in the body, for the directed passage of the catch pin from one of the retaining notches to the other, wherein the guide plate is rigidly fastened to the connection means and the catch pin which cooperates therewith is carried by said body, at its opposite end to that where the push-button is disposed said body is closed by a removable base carrying, around a lampholder, a tubular case extending substantially axially in the body in the direction of the said push-button, said lampholder comprises metal strips connected to connection elements adapted to supply a lamp, and said connection elements comprising on the one hand the internal extension of an independent connection pin and on the other hand an independent contact connected to one of the contact terminals.

Claim 9

An electric push-button switch of the kind comprising, in a hollow body carrying two contact terminals normally insulated from one another, a connection means controlled by a push-button and mounted for axial movement in the body between a disconnected position of rest, in which the connection means is at a distance from the contact terminals, and a connected working position in which the connection means is in contact with each of the contact terminals and makes an electrical connection between them; resilient return means urging the connection means in the direction of its position of rest, and cam means disposed between the body and the connection means for the purpose of determining the position of rest and the working position of the connection means the controlled movement of the connection means from one of these positions to the other, the said cam means comprising a catch pin and a guide plate adapted to co-operated with the catch pin and carrying, on the one hand, two axially spaced retaining notches and, on the other hand, two oblique displacement paths on the axis of movement of the connection means in the body, for the directed passage of the catch pin from one of the retaining notches to the other, wherein the guide plate is rigidly fastened to the connection means and the catch pin which cooperates therewith is carried by said body, at its opposite end to that where the push-button is disposed said body is closed by a removable base carrying, around a lampholder, a tubular case extending substantially axially in the body in the direction of the said push-button, said lampholder comprises metal strips connected to connection elements adapted to supply a lamp, and said connection elements comprising on the one hand the internal extension of an independent connection pin and on the other hand an independent contact connected to one of the contact terminals.

Claim 10

An electric push-button switch comprising a tubular hollow body; a base in the form of an element independent from said body and closing said body; said base carrying at least two resiliently deformable metal contact strips within said body and at least three connection pins outside of said body; connection means between a first of said connection pins and a first of said contact strips; connection means between a second of said connection pins and a second of said contact strips; a push-button controlled connection metal plate mounted for axial movement in said body between a disconnected position of rest in which said connection plate is at a distance from said contact strips and a connected working position in which the connection plate is in contact with said contact strips and makes an electrical connection between said contact strips, said contact strips conjointly forming on the path of the said connection plate a zone of reduced width smaller than the corresponding dimension of said connection plate for engagement by said connection plate; resilient return means urging said connection plate in the direction of its position of rest; cam means disposed between said body and said connection plate for the purpose of determining said position of rest and the said working position of said connection plate and the controlled movement of said connection plate from one of these positions to the other, said cam means comprising a catch means carried by said body and a guide plate rigidly fastened to said connection plate and adapted to co-operate with said catch means, said guide plate having on the one hand two axially spaced retaining notches and on the other hand, two oblique displacement paths on the axis of movement of said connection plate in said body for the directed passage of said catch means from one of said retaining notches to the other; a lampholder carried by said base and provided with two contact means adapted to supply a lamp, said lampholder being engaged in a bore of said base and being removable from said base on the side thereof opposite to said push-button; and two connection elements carried by said base for engagment with said contact means of said lampholder, respectively, one of said connection elements being connected to said connection plate and the other connection element to a third of said connection pins.

Claim 11

An electric push-button switch comprising a tubular hollow body; a base in the form of an element independent from said body and closing said body; said base carrying at least two resiliently deformable metal contact strips within said body and at least three connection pins outside of said body; connection means between a first of said connection pins and a first of said contact strips; connection means between a second of said connection pins and a second of said contact strips; a push-button controlled connection metal plate mounted for axial movement in said body between a disconnected position of rest in which said connection plate is at a distance from said contact strips and a connected working position in which the connection plate is in contact with said contact strips and makes an electrical connection between said contact strips, said contact strips conjointly forming on the path of the said connection plate a zone of reduced width smaller than the corresponding dimension of said connection plate for engagement by said connection plate; resilient return means urging said connection plate in the direction of its position of rest; cam means disposed between said body and said connection plate for the purpose of determining said position of rest and the said working position of said connection plate and the controlled movement of said connection plate from one of these positions to the other, said cam means comprising a catch means carried by said body and a guide plate rigidly fastened to said connection plate and adapted to co-operate with said catch means, said guide plate having on the one hand two axially spaced retaining notches and on the other hand, two oblique displacement paths on the axis of movement of said connection plate in said body for the directed passage of said catch means from one of said retaining notches to the other; a lampholder carried by said base and provided with two contact means adapted to supply a lamp, said lampholder being engaged in a bore of said base and being removable from said base on the side thereof opposite to said push-button; and two connection elements carried by said base for engagment with said contact means of said lampholder, respectively, one of said connection elements being connected to said connection plate and the other connection element to a third of said connection pins.

Claim 12

A switch according to claim 7, wherein said lampholder carries at least one leg projection from said base outside of the hollow body.

Claim 13

A switch according to claim 8, wherein said removable lampholder carries two resiliently deformable legs defining gripping means, said legs being provided with engagement means of the boss and recess types for cooperation with complementary engagement means carried by said base.

Claim 14

A switch according to claim 7 wherein said metal contact strips are composed of an internal extension of two of said connection pins.

Claim 15

A switch according to claim 7, wherein the said connection elements comprise on the one hand the internal extension of one of said connection pins and on the other hand an independent contact connected to the said connection plate.

Claim 16

A switch according to claim 7, wherein the said resilient means are formed by a metal spring and said independent contact is connected to said connection plate through said metal spring.

Claim 17

A switch according to claim 7, wherein the said base also carries around said lampholder a tubular case extending substantially axially in the body in the direction of said push-button.

Claim 18

A switch according to claim 13, wherein the tubular case is opaque.

Claim 19

A switch according to claim 13, wherein at its end nearer the push-button said tubular case carries a colored screen.

Claim 20

A switch according to claim 13, wherein at its end nearer the push-button said tubular case carries a lens.

Claim 21

A switch according to claim 7, wherein the connection plate is clipped to a connection member which carries said guide plate.

Claim 22

A switch according to claim 17, wherein said push-button is clipped to said connection element.

Claim 23

A switch according to claim 7, wherein the connection plate forms a frame transversally disposed in said body.

Claim 24

A switch according to claim 7, wherein at least a part of the body is provided with light passages.

Claim 25

A switch according to claim 7, wherein the said base is clipped to the said body.