Backpack with improved comfort structure

Package and article carriers – Carried by animate bearer – Convertible or combined

Patent

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Details

224211, 297 25, A45F 402

Patent

active

044898665

ABSTRACT:
The siderails of a backpack frame form a pair of legs which in turn pivotally support a pair of supplemental legs. The two pair of legs are provided with feet, and when the leg pairs are pivotally opened, a chair is formed. The two pivotally mounted legs on each side of the chair are joined by connector elements which provide for a plurality of adjustments of the distance between the front and rear feet. The pack body is joined to the top cross-bar which joins the main frame siderails. When the device is pivoted to the prone chair position, the pack body is hinged rearwardly on the cross-bar so that its bottom end rests on the ground. The top end of the pack body then is disposed outwardly from the cross-bar to form a pillow for the user. An auxiliary pillow may be attached adjacent the top end of the pack body, and which is swingable forwardly to between the cross-bar and the hiker's head for protective purposes and as a head support during actual hiking. The connector elements may remain joined between the side legs when the device is collapsed. A pack body support extends transversely between and may be joined to the connector elements or the supplemental legs. The support extends behind or through the upper rear portion of the pack body, farthest from the hiker's body, and transfers rearwardly and downwardly directed load forces in that area to the hiker's hips. A second transverse support may extend between the connnector elements upon which the bottom end of the pack body rests. The connector elements furthermore provide for pivoting adjustment of the collapsed device to compensate for a change in load during hiking so that the frame more nearly conforms to the hiker's body.

REFERENCES:
patent: D228043 (1973-07-01), Sloop
patent: 1039078 (1912-09-01), Arnold
patent: 1479769 (1924-01-01), Yamanishi
patent: 1615159 (1927-01-01), Bonner
patent: 2031119 (1936-02-01), Moreland
patent: 2843185 (1958-07-01), Clem et al.
patent: 2922465 (1960-01-01), Johansson et al.
patent: 2973888 (1961-03-01), Beardsley
patent: 3250449 (1966-05-01), Woodman
patent: 3292830 (1966-12-01), Mack
patent: 3315856 (1967-04-01), Black
patent: 3733017 (1973-05-01), Pletz
patent: 3822422 (1974-07-01), Buntyn
patent: 3912138 (1975-10-01), Pava
patent: 4044931 (1977-08-01), Catelli
patent: 4307826 (1981-12-01), Stewart

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