Pressure sensitive door edge switch and actuator construction
First Claim
1. A pressure sensitive door edge construction comprising a rigid channel for extension along a door facing outwardly therefrom, inturned lips on said channel spaced apart to define therebetween a longitudinal slot communicating between the interior and exterior of said channel, a resiliently depressible bead extending exteriorly along said channel in overlying engagement with said lips and bridging said slot, a reduced neck on the inner side of said bead extending through and substantially occupying said slot, an inner enlargement on said neck interiorly of said channel and engageable with said lips to retain said bead in position without other securement to said channel, and pressure responsive switch means extending longitudinally along and entirely within said bead and operative responsive to depression of said bead for stopping door movement on bead depression.
1 Assignment
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Accused Products
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.
74 Citations
10 Claims
- 1. A pressure sensitive door edge construction comprising a rigid channel for extension along a door facing outwardly therefrom, inturned lips on said channel spaced apart to define therebetween a longitudinal slot communicating between the interior and exterior of said channel, a resiliently depressible bead extending exteriorly along said channel in overlying engagement with said lips and bridging said slot, a reduced neck on the inner side of said bead extending through and substantially occupying said slot, an inner enlargement on said neck interiorly of said channel and engageable with said lips to retain said bead in position without other securement to said channel, and pressure responsive switch means extending longitudinally along and entirely within said bead and operative responsive to depression of said bead for stopping door movement on bead depression.
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3. A pressure sensitive door edge construction comprising a rigid channel for extension along a door facing outwardly therefrom, inturned lips on said channel spaced apart to define therebetween a longitudinal slot communicating between the interior and exterior of said channel, a resiliently depressible bead extended exteriorly along said channel in overlying engagement with said lips and bridging said slot, a reduced neck on the inner side of said bead extending through and substantially occupying said slot, an inner enlargement on said neck interiorly of said channel and engageable with said lips to retain said channel in position without other securement to said channel, and pressure responsive switch means extending longitudinally along and within said bead and operative responsive to depression of said bead for stopping door movement on bead depression, said bead, neck, and inner enlargement comprising an integral unit fabricated of resilient flexible material, said inner enlargement and neck being provided with a longitudinal split extending between the interiors of said bead and channel for passage laterally through said slit of said switch means into said bead.
- 4. A pressure sensitive door edge construction comprising a rigid channel for extension along a door facing outwardly therefrom, inturned lips on said channel spaced apart to define therebetween a longitudinal slot communicating between the interior and exterior of said channel, a resiliently depressible bead extending exteriorly along said channel in overlying engagement with said lips and bridging said slot, a reduced neck on the inner side of said bead extending through and substantially occupying said slot, an inner enlargement on said neck interiorly of said channel and engageable with said lips to retain said bead in position without other securement to said channel, and pressure responsive switch means operatively connected to said bead and responsive to depression of said bead for stopping door movement on bead depression, said neck being formed with a through opening communicating between the interiors of said bead and said inner enlargement, said switch means extending longitudinally along and within said inner enlargement, and pressure transmission means extending from the interior of said bead spacedly through said opening to said switch means for transmitting pressure from said bead to said switch means.
Specification