Landing gear lever knob
阅读：565发布：2024-01-02
专利汇可以提供Landing gear lever knob专利检索，专利查询，专利分析的服务。并且An aircraft landing gear-control handle having a knob member formed from a pair of matching knob-half portions united together into a single knob unit, and constructed from a polarized plastic material that is respectively circularly polarized in clockwise and counterclockwise directions to thereby prohibit the transmittal of ambient light therethrough.，下面是Landing gear lever knob专利的具体信息内容。
1. An aircraft cockpit-mounted control mechanism including a first, operating handle-lever member for direct attachment with, and actuation of a selected aircraft system; and a second, glareproof, manually operable control member attached to said first, operating handle-lever member and adjustable to one or more operating positions by a pilot, copilot or other aircrew member; said second, manually operable control member being adapted for housing therewithin one or more concealed warning lights, and comprising: first, relatively thin, outer cover layer means of linear light-polarizing material for transmitting plane-polarized light therethrough from the initial impingement thereon of ambient light found in the aircraft cockpit in which mounted and normally forming a glare condition; and second, inner and relatively thick, main control member-base support means inwardly disposed of, and in integral supporting contact throughout its entire circumference with said first, relatively thin and linear light-polarizing, outer cover layer means, and being composed of a united and matching pair of oppositely disposed and oppositely oriented, circular light-polarizing, control member-portions respectively left and right-circularly polarizing, and thereby absorbing and prohibiting any further transmission of the planepolarized light being initially transmitted thereto by said first, outer cover layer means, and thus eliminating a substantial portion of the ambient light normally causing a glare condition tending to obscure the otherwise clearly visible illumination from the concealed warning lights.
2. In an aircraft cockpit-mounted control mechanism as in claim 1, wherein said second, manually operable member comprises a control knob for operating an aircraft landing gear between raised and lowered positions; said control knob comprising; a pair of control knob-segments each incorporating a main base portion respectively constructed of left and right light-circular polarizing plastic material plastically joined together into an integral knob unit; and a relatively thin, outer plastic layer covering the joined pair of control knob-segments and containing the said linear light-polarizing material.
3. In an aircraft cockpit-mounted control mechanism as in claim 2, wherein said thin plastic layer covering on each of said control knob-segments may further incorporate a roughened and therefore substantially non-reflective surface even further eliminating the glare condition normally resulting from ambient light in the aircraft cockpit.
4. In an aircraft cockpit-mounted control mechanism as in claim 2, wherein said plastically joined control knob-segments further incorporates an electroluminescent strip around, and bonded on the outer circumference of said relatively thin, outer plastic layer covering for thereby increasing the natural visibility of the said control knob-member during conditions of dark or other relatively low visibility.
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