Adjustment unit, fastening device and wearable article
An adjustment unit ( 1 ) with a main body and an adjustment unit hook element ( 3 ) protruding from the main body which can be used in an adjustment device ( 1 ), as well as a wearable article with such a fastening device ( 100 ).
1 . A fastening device ( 100 ) for a wearable article, the fastening device ( 100 ) comprising two distal hook elements ( 101 , 102 ), an adjustment unit ( 1 ) and a fastening cord ( 103 ), the adjustment unit comprising:
a. a main body ( 2 ) comprising a first locking channel ( 13 ) and a separated second locking channel ( 14 ), a tubular housing portion ( 4 ), which defines a compartment, a first pair of through-going openings ( 6 a , 6 b ) which open into the compartment, a second pair of through-going openings ( 7 a , 7 b ) which open into the compartment wherein two locking structures ( 8 , 9 ) are at least partially arranged inside the compartment, wherein the two locking structures ( 8 , 9 ) can each be switched along a common lateral axis between a locking configuration and an open configuration and wherein the two locking structures ( 8 , 9 ) are biased into the locking configuration;
b. an adjustment unit hook element ( 3 ) protruding from the main body ( 2 ) away from the axis and configured to engage with the fastening cord outside the main body ( 2 ), wherein the fastening cord ( 103 ) extends through the first locking channel ( 13 ) and from the first locking channel to one of the distal hook elements and from there to the other one of the distal hook elements without extending through one of the first pair of through-going openings ( 6 a , 6 b ) and the second pair of through-going openings ( 7 a , 7 b ) and from the other one of the distal hook elements back to the adjustment unit and through the second locking channel ( 14 ), wherein the adjustment unit ( 1 ) is arranged between the two distal hook elements ( 101 , 102 ) and wherein the fastening cord ( 103 ) connects the two distal hook elements ( 101 , 102 ) and the adjustment unit ( 1 ) with each other.
2 . The fastening device ( 100 ) according to claim 1 , wherein the adjustment unit ( 1 ) is configured such that it is biased into a locking configuration in which it forms a releasable locking connection with the fastening cord ( 103 ).
3 . The fastening device ( 100 ) according to claim 2 , wherein the first locking channel ( 13 ) and the second locking channel ( 14 ) are configured such that longitudinally moving the fastening cord ( 103 ) through the first locking channel ( 13 ) and/or the second locking channel ( 14 ) is possible in the open configuration.
4 . The fastening device ( 100 ) according to claim 1 , wherein the fastening cord ( 103 ) has two distal ends protruding from the adjustment unit ( 1 ).
5 . The fastening device ( 100 ) according to claim 4 , wherein the two distal ends are connected together by one of a form-locking, force locking and material bonded connection.
6 . The fastening device ( 100 ) according to claim 1 , wherein each distal hook element ( 101 , 102 ) comprises one or two hooks ( 1011 , 1012 ) being configured for connecting the fastening device ( 100 ) with an engagement loop of the wearable article.
7 . The fastening device ( 100 ) according to claim 6 , wherein each hook ( 1011 , 1012 ) defines a groove ( 1016 ) having a circular cross-section, and wherein each hook ( 1011 , 1012 ) defines a constricted groove opening ( 1015 ).
8 . The fastening device ( 100 ) according to claim 6 , wherein each distal hook element ( 101 , 102 ) comprises two hooks ( 1011 , 1012 ) arranged after one another and being spaced apart from each other.
9 . The fastening device ( 100 ) according to claim 8 , wherein the two hooks ( 1011 , 1012 ) of one of the distal hook elements ( 101 , 102 ) extend in parallel to each other or extend inversely to each other.
10 . The fastening device ( 100 ) according to claim 1 , wherein each distal hook element ( 101 , 102 ) defines a cord holding receptacle ( 1013 ) which holds the fastening cord ( 103 ) in such a way that the fastening cord ( 103 ) can longitudinally be moved through the cord holding receptacle ( 1013 ).
11 . A wearable article ( 200 ) having a first shoulder strap ( 201 ) and a second shoulder strap ( 202 ) each forming a shoulder loop ( 203 , 204 ) of the wearable article, the wearable article ( 200 ) comprising at least one of the fastening devices ( 10 ) according to claim 1 , wherein the first shoulder strap ( 201 ) comprises at least two first engagement loops ( 2011 , 2012 , 2013 ) and wherein the second shoulder strap ( 202 ) comprises at least two second engagement loops ( 2021 , 2022 , 2023 ), wherein one of the two distal hook elements ( 101 ) is engaged with one of the first engagement loops ( 2011 ) of the first shoulder strap ( 201 ) and the other one of the two distal hook elements ( 102 ) is engaged with one of the second engagement loops ( 2021 ) of the second shoulder strap ( 202 ).
12 . The wearable article ( 200 ) of claim 11 , wherein the adjustment unit hook element ( 3 ) is engaged with a section ( 105 ) of the fastening cord ( 103 ), which extends between the two distal hook elements ( 101 , 102 ).
13 . The wearable article ( 200 ) according to claim 11 comprising two or more fastening devices ( 10 ) which extend in parallel to each other.
14 . The wearable article ( 200 ) according to claim 11 , wherein the two distal ends of the fastening cord ( 103 ) are freely protruding from the adjustment unit ( 1 ).
15 . A wearable article ( 200 ) according to claim 11 wherein the wearable article comprises one of a vest, a bag and a backpack.
16 . A fastening device ( 100 ) for a wearable article according to claim 1 wherein the wearable article includes two shoulder straps.
17 . A fastening device ( 100 ) for a wearable article, the fastening device ( 100 ) comprising two distal hook elements ( 101 , 102 ), an adjustment unit ( 1 ) and a single fastening cord ( 103 ), the adjustment unit comprising:
a. a main body ( 2 ) comprising a first locking channel ( 13 ) and a separated second locking channel ( 14 ), a tubular housing portion ( 4 ), which defines a compartment, a first pair of through-going openings ( 6 a , 6 b ) which open into the compartment, a second pair of through-going openings ( 7 a , 7 b ) which open into the compartment wherein two locking structures ( 8 , 9 ) are at least partially arranged inside the compartment, wherein the two locking structures ( 8 , 9 ) can each be switched along a common lateral axis between a locking configuration and an open configuration and wherein the two locking structures ( 8 , 9 ) are biased into the locking configuration;
b. an adjustment unit hook element ( 3 ) protruding from the main body ( 2 ) away from the axis and configured to engage with the single fastening cord outside the main body ( 2 ), wherein the single fastening cord ( 103 ) extends through the first locking channel ( 13 ) and from the first locking channel to one of the distal hook elements and from there to the other one of the distal hook elements without extending through one of the first pair of through-going openings ( 6 a , 6 b ) and the second pair of through-going openings ( 7 a , 7 b ) and from the other one of the distal hook elements back to the adjustment unit and through the second locking channel ( 14 ), wherein the adjustment unit ( 1 ) is arranged between the two distal hook elements ( 101 , 102 ) and wherein the single fastening cord ( 103 ) connects the two distal hook elements ( 101 , 102 ) and the adjustment unit ( 1 ) with each other.