Sleeping bag

Abstract

A sleeping bag having an elongated bottom mat formed of flexible material and having opposing head and foot edges. The main cover is formed of flexible material, has head and foot edges, and overlies the bottom mat, to which it is permanently secured. The main cover has a transverse slit between the head and foot edges of the cover at a location closer to the foot edge of the main cover than to the head edge, and spaced from the foot edge by about one to three feet. The foot edge of the bottom mat is releasably secured to the foot edge of the main cover, and the head edge of the bottom mat is not joined to the head edge of the main cover to provide an entry into the sleeping bag for a user. A top cover, also formed of flexible material, is secured to the main cover and overlies only the portion of the main cover that includes the foot edge and the transverse slit of the main cover.

1 . A bedding article for accommodating the body of a person comprising:
 (a) an elongated main cover layer of flexible material having an upper body portion and also a lower body portion with a foot extremity and including a transverse slit defined in said lower body portion between said upper body portion and said foot extremity;   (b) a top cover layer overlying said lower body portion of said main cover layer and secured thereto; and   (c) an elongated bottom layer of flexible material having an upper body portion with a head extremity and also a lower body portion with a foot extremity, said bottom layer is disposed beneath said main cover layer, a side edge of the bottom layer is permanently secured to a side edge of the main cover layer, a head edge of the upper body portion of the main cover layer and a head edge of the bottom layer combining to form an entry into the bedding article for the person.   
   
   
       2 . A sleeping bag comprising:
 (a) an elongated bottom mat formed of flexible material and having opposing head and foot edges;   (b) an elongated main cover also formed of flexible material and having head and foot edges and overlying said bottom mat and permanently secured thereto and having a transverse slit defined therethrough between said head and foot edges of said cover at a location closer to said foot edge of said main cover than to said head edge thereof and spaced from said foot edge by about one to three feet;   (c) the foot edge of the bottom mat being releasably secured to the foot edge of the main cover;   (d) the head edge of the bottom mat being not joined to the head edge of the main cover to provide an entry into the sleeping bag for a user; and   (e) a top cover secured to said main cover and also formed of flexible material and overlying only a portion of said main cover including said foot edge and said transverse slit of said main cover.   
   
   
       3 . A sleeping bag according to  claim 2  further characterized in that upper, transverse fastening elements are provided and releasably secure said foot extremities of said main cover and said top cover together. 
   
   
       4 . A sleeping bag according to  claim 3  further characterized in that lower, transverse fastening elements are provided and releasably secure said foot extremities of said main cover and said bottom mat together. 
   
   
       5 . In a sleeping bag including an elongated, flexible bottom mat with opposing first and second longitudinally arranged portions, an elongated main cover secured to said bottom mat and having opposing first and second longitudinally arranged portions respectively overlying said first and second portions of said bottom mat, a terminal edge of the second portion of the bottom mat being releasably joined to a terminal edge of the second portion of the main cover, a terminal edge of the first portion of the bottom mat being not joined to a terminal edge of the first portion of the main cover to provide an entry into the sleeping bag for a human user, the improvement comprising an upper top cover having opposing longitudinal extremities and overlying only said second portions of said main cover and said bottom mat and wherein a slit is defined through and transversely across said second portion of said main cover between said longitudinal extremities of said upper top cover. 
   
   
       6 . A sleeping bag according to  claim 5  wherein said top cover has longitudinal extremities and said slit is defined in said main cover at spaced longitudinal distances from both of said longitudinal extremities of said top cover.