Releasable restraint in an inflatable emergency evacuation slide
First Claim
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1. In combination with an inflatable emergency evacuation slide, a releasable restraint joined to at least one portion of said slide, wherein the releasable restraint comprises:
- a. two components;
b. at least one shear pin which couples the two components; and
c. a sleeve-like covering;
1. inseparably affixed to one component; and
2. enclosing the at least one shear pin such that the at least one shear pin is essentially inaccessible.
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Abstract
A tie-back device restrains full extension of an evacuation slide until a predetermined inflation is attained. Inflation of the slide causes tension to be applied to the device. The device comprises two attachment rings and two components which are coupled by a shear pin. A transparent cover is permanently attached to one component. This cover makes the device tamperproof and nonreusable. The cover, in conjunction with the attachment rings and the two components, allows tensile forces to be applied to the shear pin from only one direction.
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Citations
11 Claims
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1. In combination with an inflatable emergency evacuation slide, a releasable restraint joined to at least one portion of said slide, wherein the releasable restraint comprises:
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a. two components; b. at least one shear pin which couples the two components; and c. a sleeve-like covering; 1. inseparably affixed to one component; and 2. enclosing the at least one shear pin such that the at least one shear pin is essentially inaccessible. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification