# US 5,699,820 A · Outdoor sleeping system with detachable sleeping bag

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- Number: US 5,699,820 A
- Document ID: US5699820A
- Status: Granted
- Kind: A
- Application number: 08/613,288
- Filed: 1996-03-11
- Granted: 1997-12-23
- Earliest claimed: 1996-03-11
- Inventors: David L. Evans; Dena K. Evans
- Web page: https://patentgrep.com/patent/US5699820A

## CPC

- E04H 15/32: Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
- A47G 9/086: {for outdoor sleeping}
- A47G 2009/003: {with inflatable members}
- E04H: BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL (foundations E02D)
- A47G: HOUSEHOLD OR TABLE EQUIPMENT (book-ends A47B5/00; knives B26B)

## Abstract

A portable outdoor sleeping system is provided which includes a shelter portion, a detachable ground cover sheet, and one or more detachable sleeping bags. Each sleeping bag includes an elongate perimeter flap to which a fastener element is fixed for use in detachable securement of the sleeping bag to a fastener element of a corresponding sleeping bag outline flap. The sleeping bag outline flap defines a predetermined sleeping bag placement position such that other portions of the ground cover sheet may be reserved for a different use. The system also includes an inflatable cushion which has a projecting strip for use in securing the cushion to the floor.

## Claims

### Claim 1

A portable outdoor sleeping system comprising:
a sleeping bag having a closable shell with a perimeter flap to which a first slide fastener element is fixed; and
a tent structure including a shelter portion and a ground cover sheet, said ground cover sheet being provided with a sleeping bag outline flap which includes second slide fastener element capable of mating relationship with said first slide fastener element to detachably secure said sleeping bag to said floor.

### Claim 2 (depends on 1)

The outdoor sleeping system of claim 1 which further comprises an inflatable cushion formed of air-impermeable material and having a projecting strip secured to said ground cover sheet for fixing said cushion to said sheet.

### Claim 3 (depends on 1)

The outdoor sleeping system of claim 1 which further comprises stakes, said ground cover sheet defining openings through which said stakes may be passed to removably secure said sheet to the ground.

### Claim 4 (depends on 1)

The outdoor sleeping system of claim 1, wherein said ground cover sheet is detachably secured to said shelter portion via a parametric slide fastener.

### Claim 5

A portable outdoor sleeping system which comprises:
a pair of elongate insulated sleeping bags, each having a closable shell with an elongate perimeter flap to which a first zipper element is perimetrically fixed; and
a tent structure including a shelter portion and a detachable ground cover sheet, said ground cover sheet being provided with sleeping bag outline flaps which define predetermined sleeping bag placement positions, each outline flap including a second zipper element capable of mating relationship with one of said first zipper elements to detachably secure a corresponding one of said sleeping bags to said floor so as to define separate sleeping bag placement and a gear storage regions on said ground cover sheet.