US3827612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable fit pack frame
Assignee: Individual
•
Filing: 1972-09-25
•
Granted: 1974-08-06
•
Expires: 1992-09-25
Abstract
Abstract A pack frame that is adjustable in length to position the shoulder bar, upper back band, and side arms of the device in the appropriate spaced relationship to fit a particular user. The length adjustment includes telescoping tubes for the main side rails and the central structural rods of the device. Adjustment is also provided for the space between the side arms and the angle of the side arms. Finally, adjustment is provided in the load transfer point for the upper portions of the shoulder straps. The shoulder straps are free to move at their upper point, to seek the proper position. The shoulder straps are secured to the central rod by oversized grommets.
Inventors
- 👤 M Mead
- 👤 R Drollinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:18
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/10
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
197 words
An adjustable pack frame for transferring the weight of a pack to a user comprising, a plurality of vertical frame members including adjustment means for selectively varying the length of said vertical frame members, said vertical frame members comprise two side rails and at least one vertical frame rod disposed between said side rails, said adjustment means for said side rails comprises upper and lower side rails, one of said side rails being telescopically received in the other of said side rails, means for retaining said upper and lower side rails in a selected telescoped position, a plurality of horizontal frame members connecting said vertical frame members at spaced intervals, a pair of opposed side arms secured to said frAme and carrying a padded back band between said opposed side arms, a plurality of shoulder straps, each having a first end connected to the lower portion of said frame and a second end mounted for free sliding movement parallel to said vertical frame members, said shoulder straps automatically adjust the changing load conditions so that substantially no vertical load is carried through said shoulder straps and substantially all of the load is carried by said back band.
Claim 2
Dependent Claim
197 words
An adjustable pack frame for transferring the weight of a pack to a user comprising, a plurality of vertical frame members including adjustment means for selectively varying the length of said vertical frame members, said vertical frame members comprise two side rails and at least one vertical frame rod disposed between said side rails, said adjustment means for said side rails comprises upper and lower side rails, one of said side rails being telescopically received in the other of said side rails, means for retaining said upper and lower side rails in a selected telescoped position, a plurality of horizontal frame members connecting said vertical frame members at spaced intervals, a pair of opposed side arms secured to said frAme and carrying a padded back band between said opposed side arms, a plurality of shoulder straps, each having a first end connected to the lower portion of said frame and a second end mounted for free sliding movement parallel to said vertical frame members, said shoulder straps automatically adjust the changing load conditions so that substantially no vertical load is carried through said shoulder straps and substantially all of the load is carried by said back band.
Claim 3
Dependent Claim
31 words
The adjustable pack frame of claim 1 further including, a waist belt comprising separable belt sections, and one end of each of said belt sections being secured to said side arms.
Claim 4
Dependent Claim
23 words
The adjustable pack frame of claim 1 wherein, said adjustment means for said vertical frame rod comprises a tube telescopically receiving said rod.
Claim 5
Dependent Claim
44 words
The adjustable pack frame of claim 1 wherein, at least two of said vertical frame rods are received telescopically in tubes on opposite sides of the center line of said frame, and shoulder straps having grommets at their upper ends received over said tubes.
Claim 6
Dependent Claim
44 words
The adjustable pack frame of claim 1 including, at least two horizontal frame members comprising tubular members, said side arms comprising generally U-shaped rods, and the ends of said rods being received through said vertical frame members and into said tubular horizontal frame members.
Claim 7
Dependent Claim
20 words
The adjustable pack frame of claim 5 wherein, said side arms are bendable to vary their orientation from said frame.
Claim 8
Dependent Claim
42 words
The adjustable pack frame of claim 1 wherein, said back band comprises a layered padded belt incorporating a layer of locked cell foam material, an absorbent layer, and an uncoated fabric protective layer to allow passage of perspiration to the absorbed layer.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |