Pressure operated retractable landing gear专利检索-起落架飞行器飞机类型专利检索查询-专利查询网

Pressure operated retractable landing gear

阅读：0发布：2024-01-04

专利汇可以提供Pressure operated retractable landing gear专利检索，专利查询，专利分析的服务。并且The present invention provides a retractable landing gear system for model aircraft comprising a double-acting, fluid-pressureoperated piston and cylinder means, said piston being connected to a link which link is pivotally connected to a pivoted landing gear, the ends of the said connecting link being guided in straight-line movement by a pair of opposed parallel slots, a reservoir for the fluid under pressure, means for supplying the pressurized fluid to the piston and cylinder means controlled by servo-operated valve means to extend and retract the landing gear.，下面是Pressure operated retractable landing gear专利的具体信息内容。

权利要求

1. A retractable landing gear system for model aircraft comprising a double-acting, fluid-pressure-operated piston and cylinder means, said piston being connected to a link pivotally connected to a pivoted landing gear, the ends of the said connecting link disposed in a pair of opposed parallel slots to guide the link therein in a straight-line, a reservoir for the fluid under pressure, means for supplying the pressurized fluid to the piston and cylinder means controlled by servo-operated valve means to extend and retract the landing gear.

2. The retractable landing gear system of claim 1 wherein each of said opposed parallel slots is horizontal and is contained by one of a pair of brackets shaped in a right angle; and wherein the link has two shoulders, each one of which is slidably held by the slot in the bracket adjacent to that shoulder.

3. The retractable landing gear system of claim 1, wherein said fluid activated piston chamber has fluid inlet means and fluid outlet means; and a rod connected at one end to the reciprocating piston and attached at the other end to the connecting link.

4. The retractable landing gear system of claim 3, wherein means for connecting the link to the landing gear comprises two collar means, each having one end thereof snugly fitted around said link, with each collar means positioned between the connecting rod and a corresponding adjacent shoulder of the link; a block member carrying a wheel supporting strut; a pivot pin connecting said block member to said pair of brackets; and means for fastening the other end of each collar to said block member.

5. The retractable landing gear system of claim 4, wherein said block member has a slotted portion between and parallel to said two collars for providing a recess into which the connecting rod is housed, when the connecting rod is extended out of the piston chamber so as to raise up the wheel supporting strut.

6. The retractable landing gear system of claim 5, wherein said block member has a scooped out bevel portion providing a recess parallel to the link above which the link is stationed as it reciprocates within the slots of the brackets.

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Pressure operated retractable landing gear

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