Package and article carriers – Carried by animate bearer – Article held by receiver
Patent
1995-11-13
1996-12-24
Recla, Henry J.
Package and article carriers
Carried by animate bearer
Article held by receiver
224627, A45F 304
Patent
active
055867057
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a rucksack harness and more particularly to rucksack harnesses of the type comprising a pair of shoulder straps joined together at a harness yoke, and having a tie strap which is threaded through a plurality of bands arranged in a ladder configuration on the body of a rucksack. The term "rucksack" as used throughout the description and claims is intended to include backpacks and other bags carried on the shoulder by means of a shoulder harness.
BACKGROUND ART
The ladder style construction of rucksack harness adjustment systems is well known. The best known of these systems is the PARALUX (Trade Mark) suspension system. Many modifications and variations of this system are currently available on the high grade rucksack and climbing equipment market. The PARALUX(.TM.) system is known for its ruggedness, durability and stability in use. Some modifications of this system have similar performance to the PARALUX(.TM.) system but usually comprise expensive alternative components.
In the PARALUX(.TM.) suspension system a plurality of transverse webs are sewn in ladder-like fashion to the back wall of the rucksack. The shoulder straps terminate in a strap which is threaded through a selected one of the webs depending on the desired location of the shoulder straps. The strap is then threaded through a buckle and tightened, threaded under the next highest ladder web, through a web on the shoulder harness, and then threaded through a further ladder web.
The loose end of the strap is pushed down behind the ladder configuration. Finally, a top stabilizer web is threaded through buckles at the top of the ladder to stabilize the connection.
A known disadvantage of the ladder type adjustment system is its relative complexity. A rucksack owner may easily forget how to adjust the system to account for different loads or different users. Additionally, at points of sale, adjustment of a rucksack to fit a number of customers is time consuming and off-putting to both the customer and retailer.
As a result of the ladder configuration of the restraining bands, adjustment of the harness or harness yoke with respect to the rucksack may only be facilitated at a small number of adjustment positions along the ladder structure, usually one position approximately every 5 cm. Each rung of the ladder comprises a band of 2.5 cm wide strap with a similar spacing between each strap. Consequently, for a 30 cm adjustment ladder only six adjustment positions are available.
German Gebrauchsmuster No. G 92 11 744.9 discloses a rucksack comprising a backpack having at an upper region of the back wall two carrier straps which are height-adjustably secured to the back wall. A plurality of transverse loops or webs are stitched to the back wall of the backpack in spaced apart and ladder-like fashion. The shoulder straps are joined together by a harness yoke, and a plate attached to the yoke is inserted behind a selected loop and is locked in position by means of a snap fastener. The invention is concerned with the provision of a guide for the purpose of facilitating the positive guidance of the plate through the loops. The guide is in the form of a band of textile material which extends continuously over the height of the loops.
German Patent Application No. DE 3045881 discloses a height-adjustable system for attaching a carrying harness to a rucksack in which a number of transverse bands or webs are sewn to the rear wall of the rucksack to form a ladder-like configuration similar to the PARALUX(.TM.) system described above. The transverse bands are sewn to the rear wall of the rucksack by means of stitches which extend in a v-shape, to provide for varying shoulder widths.
The arrangements described in the above German Gebrauchsmuster and patent application suffer from the same disadvantages as described above in relation to the PARALUX.TM.system, namely that adjustment may be complicated for the user, and a fine adjustment is not readily obtainable.
Mechanical means are known for adjusting the height
REFERENCES:
patent: 4842173 (1989-06-01), Scherer
Lowe Alpine Systems International Limited
Recla Henry J.
Vidovich Gregory M.
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