Backpack
A backpack has a system for anchoring the upper ends of shoulder straps that can be changed from a lower anchoring point to a higher anchoring point and vice-versa. The system comprises a fixed cross-bar attached to the backpack and a moveable cross-bar to which the upper ends of the shoulder straps are attached and that rotates with respect to the fixed cross-bar.
This non-provisional application claims benefit and priority under 35 U.S.C. § 119(e) of U.S. provisional patent application Ser. No. 62/682,133, filed on Jun. 7, 2018 and titled “BACKPACK,” the contents of which are incorporated by reference for all purposes.
TECHNICAL FIELDThe field of the invention is that of backpacks.
BACKGROUND ARTBackpacks have shoulder straps attached to a pack. The pack is worn on the back of the bearer and the shoulder straps pass over the shoulders of the bearer. An upper end of each shoulder strap usually is attached to or adjacent an upper end of the body-contacting wall or back side of the pack and a lower end of each shoulder strap usually is attached to or adjacent a lower end of the body-contacting or back side of the pack. Frequently, and particularly for backpacks intended to carry heavier loads, a belt is also attached to the pack in the vicinity of the lower end of the body-contacting or back side of the pack. The pack then will be supported by a combination of the shoulder straps and the belt.
The shoulder straps may be fixedly attached to or adjacent the upper end of the body-contacting wall or back side of the pack. A fixed attachment will not permit any adjustment to the location of that attachment after the backpack is made. However, bearers have variable torso heights. They will find that the positions of attachment of the upper ends of the shoulder straps that are satisfactory for one person may not be comfortable for another person. This is the case even when the length of the shoulder straps is adjustable, as they usually are. For this reason backpacks have been supplied with systems for adjustment of the positions of attachment of the upper ends of the shoulder straps to the pack.
These systems include providing an anchor plate that is attached to a rail mounted on the back side of the pack and may be slid up or down the rail and then fixed into position, such as by a screw, see, e.g., WO2016207896, use of hook and loop patches to adjust the position of attachment, and ladders of webbing straps on the back side of the pack to which straps or connectors at the upper ends of the shoulder straps are selectively attached. Pack with external frames may have two or more horizontal rails that may be selected for attachment.
Backpacks with entrances or openings in the back side of the backpack recently have been introduced. An example is MindShift Gear LLC's Backlight® backpack that has such an opening to access the compartment of the Backlight® backpack by keeping the backpack's waist belt fastened around the bearer's waist, shrugging the bearer's arms out of the shoulder straps, and rotating the backpack to the front of the bearer. The back side of the backpack then will be exposed to the bearer. The bearer opens a zipper in the back side of the backpack by pulling on a zipper pull. This will release a door formed in the back side of the backpack in order for the door to be rotated away from the back side of the backpack. This will expose an opening in the back side of the backpack whereby the bearer may reach into the compartment of the backpack in order to access gear stored in the compartment or return gear to the compartment.
The upper ends of the shoulder straps preferably should be attached above any opening in the back side of the backpack, at least because attaching the upper ends of the shoulder straps to a door will result in stress on the zipper that fastens the free sides of the door to the edges of the opening when the backpack is worn and carrying a heavy load. In addition, the attachment of the upper ends of the shoulder straps to the door would tend to interfere with the use of the door to access articles in the inner compartment of the backpack. The provision of an opening in the back side of the backpack will limit the vertical area available on the backpack for attachment of the upper ends of the shoulder straps to the backpack. The vertical area available for locating systems for adjustment of the positions of attachment of the upper ends of the shoulder straps to the pack will be limited.
A system for adjustment of the positions of attachment of the upper ends of the shoulder straps to the pack that occupies a limited vertical space on the back side of the backpack would be useful when the backpack has an opening in its back side. Such a system also would be useful whether or not the backpack has an opening in its backside.
Such a system for adjustment of the positions of attachment of the upper ends of the shoulder straps to the pack should provide solid anchoring of the upper ends of the shoulder straps while allowing ready adjustment of the height of the anchors. The bearer preferably should be able to adjust the positions of attachment of the upper ends of the shoulder straps to the pack without the use of tools.
SUMMARY OF INVENTIONA backpack according to the invention has right and left shoulder straps and a body-contacting wall and comprising an anchoring system for an upper end of the right shoulder strap and an upper end of the left shoulder strap. Preferably, the anchoring system comprises a moveable cross-bar, the upper ends of the right and left shoulder straps being connected at an edge of the moveable cross-bar, a fixed cross-bar connected to the body-contacting wall, the movable cross-bar being detachably connected to the fixed cross-bar, wherein the moveable cross-bar may be rotated between an upper configuration in which the upper ends of the shoulder straps are at an upper edge of the fixed cross-bar and a lower configuration in which the upper ends of the shoulder straps are at a lower edge of the fixed cross-bar. The backpack may further comprise mating hook and loop strips attached to surfaces of the fixed cross-bar and the moveable cross-bar for detachable connection of the fixed cross-bar to the moveable cross-bar.
A preferred embodiment of the backpack according to claim 1 provides a moveable cross-bar that comprises first and second cross-bar members joined by a hinge, the upper ends of the shoulder straps being attached to one of the first and second cross-bar members along an edge of the one of the first and second cross-bar members opposed to and spaced from the hinge, wherein the first and second cross-bar members may be folded along the hinge and disposed on either side of the fixed cross-bar whereby when the hinge is below the fixed cross-bar the upper ends of the shoulder straps are positioned at the upper edge of the fixed cross-bar and when the hinge is above the fixed cross-bar the upper ends of the shoulder straps are positioned at the lower edge of the fixed cross-bar.
Other objects, features, and advantages of the present invention will become more fully apparent from the following detailed description of preferred embodiments, the appended claims, and the accompanying drawings in which:
The shoulder straps 10 and 20 are provided with the right and left load-lifter strap systems 12 and 22, respectively. The right load-lifter strap system 12 connects the right shoulder strap 10 to the backpack 1 at a location above the anchor system 30 and the left load-lifter strap system 22 connects the left shoulder strap 20 to the backpack 1 at a location above the anchor system 30. The load-lifter strap systems 12 and 22 comprise a short strap 13 or 23, respectively, attached at one end to the backpack 1 above the anchor system 30 and at the other end to the center bar of a slider buckle 14 or 24, respectively. The long straps 15 or 25, respectively, are attached at one end to the associated shoulder strap and fed through the slots of the slider buckle 14 or 24.
The load-lifter systems 12 and 22 may be conventional in design. Their purpose is to draw the load of the backpack 1 closer to the bearer's shoulders and take some of the weight of the backpack 1 from the waist belt (not shown) of the backpack 1 or, in reverse, to release some of the load of the backpack 1 from the bearer's shoulders and put more of the weight of the backpack 1 on the waist belt. The load-lifter systems 12 and 22 may be included or omitted according to the intended purpose of the backpack 2. A backpack that is designed to carry lighter loads may omit load-lifter systems.
The long strap 15 or 25 of each of the load-lifter systems 12 and 22 may be detached from the slider buckle 14 or 24 by sliding it back out of the slots of the slider buckle 14 or 24. This may be useful when changing the position of the upper ends 11 and 21 with respect to the anchor system 30 from the first or high position shown in
Starting with
Opening the rear entrance door 4 exposes a padded insert 9 contained in the compartment 7. The padded insert 9 is a container useful for receiving and protecting gear such as photographic apparatus.
The anchor system 30 provides a moveable cross-bar 31 to which the upper ends 11 and 21 of the shoulder straps 10 and 20 are attached along an edge of the moveable cross-bar 31. (See, e.g.,
The movable cross-bar 31 comprises two cross-bar members 32 and 33 that are attached to each other by the hinge 34. The upper ends 11 and 21 of the shoulder straps 10 and 20, respectively, are attached to an edge of the cross-bar member 32 spaced from and opposed to the hinge 34. The upper ends 11 and 21 of the shoulder straps 10 and 20, respectively, are spaced horizontally along the cross-bar member 32. (Horizontally refers to the direction taken by the cross-bars 32 and 33 when the backpack 1 is vertically aligned by standing the backpack 1 on its bottom and the shoulder straps 10 and 20 are attached to the body-contacting wall 2 by the anchor system 30 as shown in
The anchor system 30 also comprises a fixed cross-bar 35 with an upper edge 35A and a lower edge 35B. (See
The anchor system 30 further comprises an upper tab 39 and a lower tab 40 attached to the body-contacting wall 2 below and above, respectively, the fixed cross-bar 35. The purpose of the tabs 39 and 40 is to prevent the inadvertent disconnection of the cross-bar members 32 and 33 from the fixed cross-bar 35.
The components of the anchor system preferably may be made of fabric sleeves. The cross-bar members 32 and 33, and the fixed cross bar 35 preferably are stiffened with polyethylene (PE) board or the like 41 within the fabric sleeves (reference number 41 will refer to PE board or the like whenever it is present in a component of the anchor system 30).
The exterior surfaces of the elements of the anchor system 30 are provided with hook or loop material for detachable connection to various other elements of the anchor system 30. Preferably, both sides of the fixed cross-bar 35 are covered with hook material 42 and both sides of each of the first and second cross-bar members 32 and 33 are covered with loop material 43. The upper tab 39 preferably will have hook material 42 on its side that will contact the lower tab 40. The lower tab 40 preferably will have hook material 42 on its side that contacts either of the first cross-bar member 32 or the second cross-bar member 33 and loop material 43 on its side that will contact the upper tab 39. (Reference number 42 will refer to hook material whenever it is present in a component of the anchor system 30 and reference number 43 will refer to loop material whenever it is present in a component of the anchor system 30.)
The anchor system 30 may be constructed so that loop material 43 may be substituted for hook material 42 and vice-versa. However, the choices of hook or loop material for the various components of the anchor system 30 stated in the immediately preceding paragraph are preferred because the result will be that the bearer will contact yielding loop material rather than the scratchy hook material when the bearer is wearing the backpack 1.
As shown in
The sectional view of
After reaching the configuration of the anchor system 30 shown in
In the fourth step the moveable cross-bar 31 is inserted upwardly into the space between the body-contacting wall 2 and the fixed cross-bar 35. The cross-bar 33 will be above the fixed cross-bar 35 and the cross-bar 32 will be in the slot 38 and thus behind and adjacent to the fixed cross-bar 35. (“Front” and “rear” refer to the perception of a person viewing the backpack while facing the body-contacting wall 2.) Hook and loop strips 42 and 43 on the cross-bar member 32 and the fixed cross-bar 35 then are permitted to contact each other in order for the cross-bar member 32 to fasten to the fixed cross-bar 35.
The position of the upper ends of the shoulder straps 10 and 20 of the backpack 1 may changed from the second or low position to the first or high position by reversing the steps one through six described above.
The invention is intended to cover alternatives, modifications and equivalents that may be included within the spirit and scope of the invention as defined by the appended claims. For example, the upper and lower tabs 39 and 40 may be omitted and thus the first step in the process of changing the position of the upper ends of the shoulder straps from the first or high position to a second or low position will be omitted. The upper and lower tabs 39 and 40 provide extra security for the attachment of the movable cross bar 31 to the fixed cross bar 35 by preventing unwanted detachment of those components from each other.
Claims
1. A backpack having right and left shoulder straps and a body-contacting wall and comprising an anchoring system for an upper end of the right shoulder strap and an upper end of the left shoulder strap, the anchoring system comprising:
- a moveable cross-bar, the upper ends of the right and left shoulder straps being connected to the moveable cross-bar,
- a fixed cross-bar having an exterior side and an interior side, an upper edge and a lower edge, and right and left ends, the right and left ends of the fixed cross-bar being connected to the body-contacting wall,
- the movable cross-bar being detachably connected to the fixed cross-bar,
- wherein the moveable cross-bar may be rotated between an upper configuration and a lower configuration, the upper ends of the shoulder straps being higher in the upper configuration and lower in the lower configuration.
2. The backpack according to claim 1 wherein the upper ends of the right and left shoulder straps are connected to an edge of the moveable cross-bar.
3. The backpack according to claim 1 wherein the moveable cross-bar may be rotated between an upper configuration in which the upper ends of the shoulder straps are adjacent the upper edge of the fixed cross-bar and a lower configuration in which the upper ends of the shoulder straps are adjacent the lower edge of the fixed cross-bar.
4. The backpack according to claim 1 further comprising mating hook and loop strips attached to surfaces of the fixed cross-bar and the moveable cross-bar for detachable connection of the fixed cross-bar to the moveable cross-bar.
5. The backpack according to claim 1 in which the moveable cross-bar comprises first and second cross-bar members joined by a hinge, the upper ends of the shoulder straps being attached to an edge of the first cross-bar member opposed to and spaced from the hinge, and the fixed cross-bar not connected to the body-contacting wall between the right and left ends of the fixed cross-bar, wherein the first and second cross-bar members may be folded along the hinge and disposed on the exterior and interior sides of the fixed cross-bar whereby when the hinge is below the fixed cross-bar the upper ends of the shoulder straps are positioned at the upper edge of the fixed cross-bar and when the hinge is above the fixed cross-bar the upper ends of the shoulder straps are positioned at the lower edge of the fixed cross-bar.
6. The backpack according to claim 5 further comprising mating hook or loop strips attached to the sides of the fixed cross-bar and loop or hook strips to the exterior and interior sides of the first and second cross-bar members for detachable connection of the fixed cross-bar to the moveable cross-bar.
7. The backpack according to claim 6 further comprising a first tab connected to the body-contacting wall at one of a location above or below the fixed cross-bar wherein the first tab comprises loop or hook strips disposed to detachably connect the tab to the moveable cross-bar when the moveable cross-bar is attached to the fixed cross-bar.
8. The backpack according to claim 7 further comprising a second tab connected to the body-contacting wall at one of below or above the fixed cross-bar and on an opposite side of the fixed cross-bar wherein the first and second tabs comprise loop or hook strips disposed to detachably connect the tabs to each other over the moveable cross-bar and the fixed cross-bar when the moveable cross-bar is connected to the fixed cross-bar.
9. The backpack according to claim 1 wherein an opening is defined in the body-contacting wall for access to a compartment in the backpack and a door with a zipper that connects the door to the body-contacting wall is provided for covering the opening in the body-contacting wall when the zipper is closed and exposing the opening in the body-contacting wall when the zipper is opened and wherein the fixed cross-bar is connected to the body-contacting wall above the opening in the body-contacting wall.
10. The backpack according to claim 9 wherein the door is hingeably attached at an edge of the door to the body-contacting wall and the door is connected at other edges by the zipper to the body-contacting wall.
11. The backpack according to claim 10 wherein the edge of the door that is hingeably connected to the body-contacting wall is a bottom edge of the door whereby the door rotates downwardly when the zipper is opened and the other edges of the door are not connected to the body-contacting wall.
12. A method of anchoring the upper ends of shoulder straps attached to a backpack, comprising:
- providing a backpack having right and left shoulder straps and a body-contacting wall and an anchoring system for an upper end of the right shoulder strap and an upper end of the left shoulder strap, the anchoring system comprising a moveable cross-bar, the upper ends of the right and left shoulder straps being connected to the moveable cross-bar, a fixed cross-bar having an exterior side and an interior side and right and left ends, the right and left ends of the fixed cross-bar being connected to the body-contacting wall,
- connecting the movable cross-bar to the fixed cross-bar in one of an upper configuration and a lower configuration, the upper ends of the shoulder straps being higher in the upper configuration and lower in a lower configuration.
13. The method of claim 12 further comprising:
- detaching the moveable cross-bar from the fixed cross-bar,
- rotating the moveable cross-bar from the upper configuration to the lower configuration, and
- attaching the moveable cross-bar to the fixed cross-bar.
14. The method of claim 12 further comprising:
- detaching the moveable cross-bar from the fixed cross-bar,
- rotating the moveable cross-bar from the lower configuration to the upper configuration, and
- attaching the moveable cross-bar to the fixed cross-bar.
15. The method of claim 12 further comprising:
- providing a first tab attached to the body-contacting wall adjacent to the fixed cross-bar, and
- attaching the tab to the moveable cross-bar when the moveable cross-bar is connected to the fixed cross-bar.
16. The method of claim 15 wherein the tab is attached to the body-contacting wall adjacent and above the fixed cross-bar and further comprising:
- providing a second tab attached to the body-contacting wall adjacent and below the fixed cross-bar, and
- attaching the second tab to the movable cross-bar.
17. A method of anchoring the upper ends of shoulder straps attached to a backpack, comprising:
- providing a backpack having right and left shoulder straps and a body-contacting wall and an anchoring system for an upper end of the right shoulder strap and an upper end of the left shoulder strap, the anchoring system comprising a moveable cross-bar, the moveable cross-bar having a lengthwise hinge line defined therein and separating the moveable cross-bar into a first moveable cross-bar member and a second moveable cross-bar member, the upper ends of the right and left shoulder straps being connected to an edge of the first moveable cross-bar member opposed to the hinge line, a fixed cross-bar having an interior side, an exterior side, an upper edge, a lower edge, and right and left ends, the fixed cross-bar being attached at the right and left ends to the body-contacting wall and not connected to the body-contacting wall between the right and left ends of the fixed cross-bar, wherein the first and second cross-bar members may be folded along the hinge and disposed on either side of the fixed cross-bar, mating hook or loop strips attached to the sides of the fixed cross-bar and loop or hook strips to the sides of the first and second cross-bar members for detachable connection of the fixed cross-bar to the moveable cross-bar,
- inserting the moveable cross-bar between the fixed cross-bar and the body-contacting wall until the first moveable cross-bar member is adjacent the interior side of the fixed cross-bar and detachably attached to the interior side of the fixed cross-bar member by the hook or loop strips attached to the fixed cross-bar and the loop or hook strips attached to the first moveable cross-bar member, and
- folding the second moveable cross-bar member along the hinge line and around the fixed cross-bar member whereby the second moveable cross-bar member is detachably attached to the exterior side of the fixed cross-bar member by the hook or loop strips attached to the fixed cross-bar and the loop or hook strips attached to the second moveable cross-bar member.
18. The method of anchoring the upper ends of shoulder straps attached to a backpack according to claim 17 wherein the moveable cross-bar member is inserted between the fixed cross-bar and the body-contacting wall from below whereby the hinge line is above the fixed cross-bar and the upper ends of the shoulder straps are positioned at the lower edge of the fixed cross-bar.
19. The method of anchoring the upper ends of shoulder straps attached to a backpack according to claim 17 wherein the moveable cross-bar member is inserted between the fixed cross-bar and the body-contacting wall from above whereby the hinge line is below the fixed cross-bar and the upper ends of the shoulder straps are positioned at the upper edge of the fixed cross-bar.
20. The method of anchoring the upper ends of shoulder straps attached to a backpack according to claim 17 further comprising:
- providing a tab attached to the body-contacting wall adjacent the fixed cross-bar, the tab having a hook or loop strip attached to one side of the tab,
- folding the tab over the moveable cross-bar, and
- contacting the hook or loop strip attached to one side of the tab to the loop or hook strips attached to the moveable cross-bar.
Type: Application
Filed: Jun 6, 2019
Publication Date: Dec 12, 2019
Inventor: Joseph H. Hanssen (Fairfax, CA)
Application Number: 16/433,553