1. A movable contact unit with a light-guiding function comprising:
a push-input type movable contact made of a metallic thin plate that is formed into an upwardly protruded dome shape; and
a base sheet made of an insulating film disposed along the domed shape of the movable contact, which holds the movable contact by an adhesive layer disposed on a lower surface of the base sheet and guides light emitted from a light source disposed at a side position to illuminate an upper side of the base sheet,
wherein, a film whose refractive index of light is lower than a refractive index of light of the base sheet is disposed between the base sheet and the adhesive layer.
2. The movable contact unit with a light-guiding function of claim 1, wherein an uneven section is disposed in a section, where the film lies beneath the base sheet, on an upper surface or a lower surface of the base sheet so as to guide light upward.
3. The movable contact unit with a light-guiding function of claim 2, wherein refractive index of the uneven section is substantially equal to or higher than the refractive index of the base sheet.
4. The movable contact unit with a light-guiding function of claim 2, wherein the uneven section and the film are disposed on a lower surface of the base sheet, and the uneven section is covered with the film.
5. The movable contact unit with a light-guiding function of claim 3, wherein the uneven section and the film are disposed on a lower surface of the base sheet, and the uneven section is covered with the film.
6. A lighted panel switch comprising:
the movable contact unit with a light-guiding function of claim 1,
wherein the movable contact unit is disposed on a predetermined position on a circuit board having a fixed contact so as to form a discrete switch.
7. A lighted panel switch comprising:
the movable contact unit with a light-guiding function of claim 2,
wherein the movable contact unit is disposed on a predetermined position on a circuit board having a fixed contact so as to form a discrete switch.
8. A lighted panel switch comprising:
the movable contact unit with a light-guiding function of claim 3,
wherein the movable contact unit is disposed on a predetermined position on a circuit board having a fixed contact so as to form a discrete switch.
9. A lighted panel switch comprising:
the movable contact unit with a light-guiding function of claim 4,
wherein the movable contact unit is disposed on a predetermined position on a circuit board having a fixed contact so as to form a discrete switch.
10. A lighted panel switch comprising:
the movable contact unit with a light-guiding function of claim 5,
wherein the movable contact unit is disposed on a predetermined position on a circuit board having a fixed contact so as to form a discrete switch.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A device comprising:
two spaced, opposed, planar, deflectable spring members having a central section and an elongated central axis, each of the spring members having a first end and an opposed second end, each of the spring members having an undeflected position wherein the first end and the second end are generally planar to each other and located along the central axis and a deflected position responsive to a compression deflection force applied concurrently to the first end and the second end of each of the spring members wherein the central sections thereof are urged in opposing directions to each other forming a receiving opening;
a first pair of planar support members operatively connected to each side of and enclosing one of the deflectable spring members;
a second pair of planar support members operatively connected on to each side of and enclosing the other of the deflectable spring members; and
a longitudinally extendable, elastic member having a thickness which reduces in dimension in response to a longitudinal tension force and which maintains the dimension of its width dimension in response to a longitudinal tension force, the elastic member being operatively coupled to one of the first pair and the second pair of support members;
wherein the elastic member is expanded in response to a longitudinal tension force generated in response to a compression deflection source being applied to the spring members urging the central sections thereof into opposing directions to each other forming a receiving opening and contracting the elastic member back into its original position responsive to a compression deflection source being removed from the spring members forming a clamping force within the space between the spring members.
2. The device of claim 1 wherein the elastic member is formed into an endless loop and wherein the elastic member is operatively connected with the first pair of support members and the second pair of support members and the pair of spaced deflectable spring members.
3. The device of claim 1 wherein the first pair of support members and the second pair of support members are formed of leather material.
4. The device of claim 1 wherein the elastic member has an overall width in the range of about \xbd inch to about 1 and \xbd inches.
5. A device comprising:
a first side member assembly and a spaced second side member assembly, each of the first side member assembly and the second side member assembly having a flexible member having a first end and an opposed second end, each of the flexible members having an undeflected position wherein the first end and the second end are generally planar to each other and a deflected position responsive to a compression deflection force applied concurrently to the first end and the second end of each of the flexible members wherein the flexible members are urged in opposing directions to each other forming a receiving opening;
a first pair of planar support members and a second pair of planar support members operatively connected to each side of and enclosing each of the flexible members forming each of the first side member assembly and the second side member assembly; and
an elastic member having a thickness which reduces in dimension in response to a longitudinal tension force and which maintains its width dimension in response to a longitudinal tension force, the elastic member being operatively coupled to the first pair of support members and the second pair of support members and each of the flexible members, wherein the elastic member is expanded by a longitudinal tension force in response to a compression deflection source concurrently applied to the first side member assembly and the second side member assembly including the flexible members forming a receiving opening and contracting the elastic fabric material back into its original position in response to a compression deflection force being removed from the first side member assembly and the second side member assembly.
6. The device of claim 5 wherein the elastic member is a woven, elastic fabric material formed into a pair of fabric material segments.
7. The device of claim 5 wherein the elastic member is an endless loop operatively connected to the flexible members.
8. The device of claim 5 wherein the elastic member is an endless loop operatively connected to the first pair and the second pair of support members.
9. The device of claim 5 wherein the flexible members are spring steel.
10. The device of claim 5 wherein the support members are leather.