Push button switch position indicator

Claim 2

A push button switch position indicator having a longitudinal axis, comprising: a. a push button head; b. said head having a window; c. a carrier mounted for longitudinal movements toward and away from said window; d. a signal surface carried by said carrier; and e. a shutter-like member attached to said head, said shutterlike member being responsive to longitudinal movements of said carrier with respect to said head for movement between two positions, said shutter-like member in its first position providing visual detection of said signal surface through said window, and said shutter-like member in its second position preventing detection of said signal surface through said window.

Claim 3

A push button switch position indicator having a longitudinal axis, comprising: a. a push button head; b. said head having a window; c. a carrier mounted for longitudinal movements toward and away from said window; d. a signal surface carried by said carrier; and e. a shutter-like member attached to said head, said shutter-like member being responsive to longitudinal movements of said carrier with respect to said head for movement between two positions, said shutter-like member in its first position providing visual detection of said signal surface through said window, and said shutter-like member in its second position preventing detection of said signal surface through said window.

Claim 4

A push button switch position indicator having a longitudinal axis, comprising: a. a push button head; b. said head having a window; c. a carrier mounted for longitudinal movements toward and away from said window; d. a signal surface carried by said carrier; and e. a shutter-like member attached to said head, said shutter-like member being responsive to longitudinal movements of said carrier with respect to said head for movement between two positions, said shutter-like member in its first position providing visual detection of said signal surface through said window, and said shutter-like member in its second position preventing detection of said signal surface through said window.

Claim 5

A push button switch position indicator having a longitudinal axis, comprising: a. a push button head; b. said head having a window; c. a carrier mounted for longitudinal movements toward and away from said window; d. a signal surface carried by said carrier; e. a shutter-like member attached to said head and movable between two positions, said shutter responsive to said carrier being located in a first position with respect to said head for movement to a first position providing visual detection of said signal surface through said window; and f. means responsive to said carrier being located in a second position with respect to said head for movement of said shutter to a second position thus bringing said shutter over said signal surface and preventing detection of said signal surface through said window.

Claim 6

A push button switch position indicator having a longitudinal axis, comprising: a. a push button head; b. said head having a window; c. a carrier mounted for longitudinal movements toward and away from said window; d. a signal surface carried by said carrier; e. a shutter-like member attached to said head and movable between two positions, said shutter responsive to said carrier being located in a first position with respect to said head for movement to a first position providing visual detection of said signal surface through said window; and f. means responsive to said carrier being located in a second position with respect to said head for movement of said shutter to a second position thus bringing said shutter over said signal surface and preventing detection of said signal surface through said window.

Claim 7

The push button switch position indicator of claim 2 wherein said means responsive to said carrier being located in a second position with respect to said head includes a limb attached to said shutter and extending generally perpendicularly thereto, whereby, when said carrier is moved to a second position with respect to said head, said carrier will contact said limb and cause said shutter to rotate about said axis thus bringing said shutter over said signal surface and preventing detection of said signal surface through said window.

Claim 8

A push button switch position indicator having a longitudinal axis, comprising: a. an elongated push button head; b. said head having a window at one end thereof; c. a carrier mounted for longitudinal movements within said head toward and away from said window, said carrier having a front face and a rear face; d. a signal surface carried by said carrier on said carrier''s front face; e. a pair of shutters attached to said head and rotatable about axes perpendicular to said longitudinal axis; and f. a limb attached to each of said shutters and extending generally perpendicularly thereto, g. whereby, when said carrier is moved to a first position with respect to said head said carrier''s front face will contact said shutters and rotate said shutters about said axes providing visual detection of said signal surface through said window, and when said carrier is moved to a second position with respect to said head, said carrier''s rear face will contact said limb and cause said shutters to rotate about said axes thus bringing said shutters over said signal surface and preventing detection of said signal surface through said window.

Claim 9

A push button switch position indicator having a longitudinal axis, comprising: a. an elongated push button head; b. said head having a window at one end thereof; c. a carrier mounted for longitudinal movements within said head toward and away from said window, said carrier having a front face and a rear face; d. a signal surface carried by said carrier on said carrier''s front face; e. a pair of shutters attached to said head and rotatable about axes perpendicular to said longitudinal axis; and f. a limb attached to each of said shutters and extending generally perpendicularly thereto, g. whereby, when said carrier is moved to a first position with respect to said head said carrier''s front face will contact said shutters and rotate said shutters about said axes providing visual detection of said signal surface through said window, and when said carrier is moved to a second position with respect to said head, said carrier''s rear face will contact said limb and cause said shutters to rotate about said axes thus bringing said shutters over said signal surface and preventing detection of said signal surface through said window.

Claim 10

A push button switch position indicator in accordance with claim 1, wherein said shutter-like member comprises one pair of shutters which are journalled on two opposite sides.

Claim 11

A push button switch position indicator in accordance with claim 1, in which said shutter-like member is constructed in the form of a pair of hollow parabloids.

Claim 12

A push button switch position indicator in accordance with claim 1, in which said shutter-like member is a single shutter-like member covering the whole field of view and said window is arranged so as to extend obliquely.

Claim 13

A push button switch position indicator in accordance with claim 7, in which said signal surface has the same oblique configuration as said window.

Claim 14

A push button switch position indicator in accordance with claim 1, in which the inside surface of said shutter-like member is given a mirror finish.

Claim 15

A push button switch position indicator in accordance with claim 1, in which the inside surface of said shutter-like member is coated with a signal color corresponding to the signal surface.

Claim 16

A push button switch position indicator in accordance with claim 1, in which said carrier has hooks at its rear end, which hook into slots in a switch frame.

Claim 17

A push botton switch position indicator in accordance with claim 11, in which behind the hook a recess terminated by an abutment is provided with which said carrier can be so moved on said switch frame with a corresponding play that despite the displacement which is due to an overstroke of the switch said signal surface lies directly against the window in the switched-on position, a spring being provided to allow for the overstroke.

Claim 18

A push button switch position indicator in accordance with claim 12, in which said carrier has a narrow cross piece, behind which the encompassing arms of an indicating part extend.

Claim 19

A push button switch position indicator in accordance with claim 1, in which said carrier is fixed by resilient pressure between said carrier and said head.

Claim 20

A push button switch position indicator in accordance with claim 14, in which limbs, extending out of the head towards the rear, of the carrier have longitudinal ribs with spring attachment pins.

Claim 21

A push button switch position indicator in accordance with claim 2, in which said shutters include bearing pins which are journalled in holes or recesses in the push button housing.

Claim 22

A push button switch position indicator in accordance with claim 1, wherein said shutter-like member comprises at least two covering shutters arranged underneath one another, said signal surface is multiply interrupted and said shutters are so journalled that they extend into the interruptions when said switch is in said first position.

Claim 23

A push button switch position indicator in accordance with claim 17, in which the edges of said shutters, which terminate the interruptions in said signal surface have the same color as said signal surface.