Patent ID: 6018830
Filing Date: 2000-02-01
Classification: A47G

Abstract:
In a sleeping bag, comprising:an upper portion which will overlie the body of an occupant when said occupant is in a horizontal position in said sleeping bag, anda lower portion which underlies the body of said occupant, said lower and upper portions being joined at opposite sides of said sleeping bag,at least one drawcord attached to said upper portion of said sleeping bag, said drawcord not extending onto said lower portion of said sleeping bag, said drawcord having two ends which are attached to said respective opposite sides of said sleeping bag,whereby (a) during cold weather, a occupant of said sleeping bag can tighten and clamp said drawcord so that the inner volume and the exposed outer surface area of said sleeping bag can be reduced in order to better insulate said occupant, (b) contact between said lower portion and any underlying flat insulated pad will not be reduced when said drawcord is tightened, and (c) said occupant of said sleeping bag can relax the tension on said drawcord during warmer conditions and thereby increase the volume of air within said sleeping bag adjacent said occupant of said sleeping bag in order to give said occupant more freedom of movement.