US4613096A — Helicopter protector

Claim 1

Independent Claim 274 words

A helicopter protector designed to protect the exterior of a helicopter from exposure to the elements and at the same time allow servicing of the helicopter, comprising: main rotor support means, including two main rotor support holders; each of said main rotor support holders having a base portion, a cradle portion and adjustable pole sections extending between the base portion and the cradle portion; main rotor tie-down means, including two main rotor tie-downs, each of said main rotor tie-downs having a pocket portion adapted to fit over an end of the main rotor and two flexible straps; each of said straps having a first end adapted for attachment to the pocket portion, a second end adapted for attachment to a stationary portion of the helicopter, and a flexible intermediate portion between said ends adapted to be wrapped around the adjustable pole sections of the main rotor support holders; protective covering means, including a flexible sheet of water impermeable protective covering material and a yard boom; said sheet having a cap portion adapted to fit over the main rotor drive system of the helicopter located in a central portion thereof, an elongated pocket adapted to receive the yard boom attached to the sheet at a point near the cap portion, and a plurality of eyelets located along the periphery of the sheet on two sides of the sheet opposite each end of the yard boom; and securing means, including a plurality of ground stakes and tension-binding straps, each of said straps having a first end adapted for attachment to the eyelets of the sheet and a second end adapted for attachment to the ground stakes.

Claim 2

Dependent Claim 274 words

A helicopter protector designed to protect the exterior of a helicopter from exposure to the elements and at the same time allow servicing of the helicopter, comprising: main rotor support means, including two main rotor support holders; each of said main rotor support holders having a base portion, a cradle portion and adjustable pole sections extending between the base portion and the cradle portion; main rotor tie-down means, including two main rotor tie-downs, each of said main rotor tie-downs having a pocket portion adapted to fit over an end of the main rotor and two flexible straps; each of said straps having a first end adapted for attachment to the pocket portion, a second end adapted for attachment to a stationary portion of the helicopter, and a flexible intermediate portion between said ends adapted to be wrapped around the adjustable pole sections of the main rotor support holders; protective covering means, including a flexible sheet of water impermeable protective covering material and a yard boom; said sheet having a cap portion adapted to fit over the main rotor drive system of the helicopter located in a central portion thereof, an elongated pocket adapted to receive the yard boom attached to the sheet at a point near the cap portion, and a plurality of eyelets located along the periphery of the sheet on two sides of the sheet opposite each end of the yard boom; and securing means, including a plurality of ground stakes and tension-binding straps, each of said straps having a first end adapted for attachment to the eyelets of the sheet and a second end adapted for attachment to the ground stakes.

Claim 3

Dependent Claim 25 words

The helicopter protector of claim 1, wherein the adjustable pole sections of the main rotor support holders comprise a plurality of telescopic, hollow pole sections.

Claim 4

Dependent Claim 59 words

The helicopter protector of claim 2, wherein the plurality of telescopic, hollow pole sections comprises a first pole section adapted for attachment to the base portion, a second pole section slidably fitted within the first pole section, and a third pole section slidably fitted within the second pole section, said third pole section having the cradle portion attached thereto.

Claim 5

Dependent Claim 33 words

The helicopter protector of claim 1, wherein the flexible straps of the main rotor tie-downs comprise nylon straps having the first end thereof permanently attached to the pocket portion by means of sewing.

Claim 6

Dependent Claim 51 words

The helicopter protector of claim 1, wherein the cap portion of the sheet comprises a border of flexible, water impermeable material attached to the perimeter of an opening cut into the sheet and a layer of PVC foam attached to the border of material to cover the opening in the sheet.

Claim 7

Dependent Claim 29 words

The helicopter protector of claim 1, wherein the protective covering means further includes a second yard boom and a second elongated pocket adapted to receive said second yard boom.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1989-09-22	1990-03-24	1990-09-23	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1993-09-22	1994-03-24	1994-09-23	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1997-09-22	1998-03-24	1998-09-23	$7700.00	Window Closed / Lapsed

Helicopter protector

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