Abstract: An elongate switch construction including an elongate base and an elongate flexible working member having a concave inner face and disposed longitudinally of the base with its concavity facing toward the base, an elongate rib or tongue projecting internally of the working member into the hollow thereof toward and terminating short of the base, and a pair of elongate contacts respectively carried by the base and tongue in spaced relation with each other and displaceable into contacting engagement upon deflection of the working member.

Abstract: A storage device for microfiche and the like, wherein a pair of sheets are secured in facing relation, one of which is provided with a plurality of parallel slits each having downturned end portions to define a flap swingable forwardly to open a slot for removably receiving microfiche, and the other sheet is cut to define a plurality of inverted generally U-shaped sheet formations having their upper bight regions secured to the flaps for outward swinging therewith and unobstructed reception of microfiche into said slots.

Abstract: A pressure switch wherein a resiliently yieldable intermediate open layer is sandwiched between flexible conductive layers, all of which is enclosed between flexible outer layers, so that in the unstressed or relatively unstressed condition the contact layers are spaced apart by the intermediate layer, while flexure or other sufficient stressing of the assembly effects contact of the contact layers through the open intermediate layer.

Abstract: A storage device for microfiche cards and the like wherein a pair of sheets are secured in facing relation, one of which is provided with a plurality of parallel slots for receiving microfiche, and the other is cut to define a plurality of inverted generally U-shaped sheet formations having their upper bight regions or apices secured to the slotted sheet between respective slots. This permits of microfiche insertion through each slot between respectively adjacent inverted U-shaped formations to a limiting position of the microfiche with its edge engaging the junctures of the depending legs with the associated sheet.

Abstract: A pressure switch and method of manufacture wherein a resiliently yieldable intermediate open layer is sandwiched between flexible conductive layers, all of which is enclosed between flexible outer layers, so that in the unstressed or relatively unstressed condition the contact layers are spaced apart by the intermediate layer, while flexure or other sufficient stressing of the assembly effects contact of the contact layers through the open intermediate layer.

Abstract: A pressure sensitive door edge construction including a channel facing outwardly from a door and having inturned lips defining therebetween a slot, a resiliently depressible bead extending exteriorly along the channel bridging the slot, a reduced neck on the inner side of the bead extending through the slot, and inner enlargement on the neck interiorly of the channel, and pressure responsive means operatively connected to the bead for stopping door movement upon bead depression.