Apparatus and method for folding a gas bag
First Claim
Patent Images
1. An apparatus for folding a side gas bag for a vehicle occupant restraint system, comprising:
- a guide channel in which a gas bag to be folded can be disposed, and first and second comb-shaped folding tongues, each of said folding tongues having several teeth, said guide channel having a first and a second comb-shaped side part in each of which several recesses are provided, said folding tongues being moveable in a way that said teeth of said folding tongues engage into said recesses and form folds in said gas bag.
2 Assignments
0 Petitions
Accused Products
Abstract
A machine for folding a side gas bag for a vehicle occupant restraint system comprises a guide channel in which a gas bag to be folded can be disposed, and first and second folding tongues. The folding tongues have teeth and the guide channel has a first side part and a second side part in each of which several recesses are provided. The teeth of the folding tongues are able to engage into the recesses.
-
Citations
17 Claims
-
1. An apparatus for folding a side gas bag for a vehicle occupant restraint system, comprising:
-
a guide channel in which a gas bag to be folded can be disposed, and first and second comb-shaped folding tongues, each of said folding tongues having several teeth, said guide channel having a first and a second comb-shaped side part in each of which several recesses are provided, said folding tongues being moveable in a way that said teeth of said folding tongues engage into said recesses and form folds in said gas bag. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A method for folding a gas bag comprising the following steps:
-
a gas bag to be folded and having two ends is disposed with one of said ends in a guide channel, said guide channel having a first and a second comb-shaped side part in each of which several recesses are provided, said gas bag is alternately engaged by one of a first and a second folding tongues, said folding tongues having teeth able to engage into said recesses, said teeth of said first folding tongue engaging into said recesses of said first side part and said teeth of said second folding tongue engaging into said recesses of said second side part whereby each of said tongues lays one fold in said gas bag, said folding tongues alternately pushes a fold formed in said gas bag by said folding tongue towards said end of said gas bag and presses said fold against preceding folds of said gas bag, said folding tongue being held in said guide channel after having pushed a fold against preceding folds, whereby said folds of said gas bag being held together until said other folding tongue has formed a next fold. - View Dependent Claims (10, 11, 12, 13)
-
-
14. An apparatus for folding a side gas bag for a vehicle occupant restraint system, comprising:
-
a guide channel in which a gas bag to be folded can be disposed, and first and second folding tongues, said folding tongues having teeth, and said guide channel having a first side part and a second side part in each of which several recesses are provided, said teeth of said folding tongues being able to engage into said recesses, said recesses of said first side part and said recesses of said second side part being arranged staggered.
-
-
15. A method for folding a gas bag comprising the following steps:
-
a gas bag to be folded and having two ends is disposed with one of said ends in a guide channel, said guide channel having a first side part and a second side part in each of which several recesses are provided, said gas bag is alternately engaged by one of a first and a second folding tongues, said folding tongues having teeth able to engage into said recesses, said teeth of said first folding tongue engaging into said recesses of said first side part and said teeth of said second folding tongue engaging into said recesses of said second side part whereby each of said tongues lays one fold in said gas bag, said folding tongues alternately pushes a fold formed in said gas bag by said folding tongue towards said end of said gas bag and presses said fold against preceding folds of said gas bag, said folding tongue being held in said guide channel after having pushed a fold against preceding folds, whereby said folds of said gas bag being held together until said other folding tongue has formed a next fold, said gas bag to be folded having at least one narrow side, a tensioning strap being attached to said narrow side, the tensioning strap not coming into contact with the folding tongues during folding.
-
-
16. An apparatus for folding a side gas bag for a vehicle occupant restraint system comprising:
-
a guide channel in which a gas bag to be folded can be disposed, and first and second comb-shaped folding tongues, each of said folding tongues having teeth, said guide channel having a first and a second comb-shaped side part in each of which several recesses are provided, said recesses of said first part and said recesses of said second part being arranged staggered, and said folding tongues being arranged moveable in a way that said teeth of said folding tongues engage into said recesses and form folds in said gas bag.
-
-
17. A method for folding a gas bag comprising the following steps:
-
a gas bag to be folded and having two ends is disposed with one of said ends in a guide channel, said guide channel having a first and a second comb-shaped side part in each of which several recesses are provided, said gas bag is alternately engaged by one of a first and a second folding tongues, said folding tongues having teeth able to engage into said recesses, said teeth of said first folding tongue engaging into said recesses of said first side part and said teeth of said second folding tongue engaging into said recesses of said second side part whereby each of said tongues lays one fold in said gas bag, said folding tongues alternately pushes a fold formed in said gas bag by said folding tongue towards said end of said gas bag and presses said fold against preceding folds of said gas bag, said folding tongue being held in said guide channel after having pushed a fold against preceding folds, whereby said folds of said gas bag being held together until said other folding tongue has formed a next fold, wherein an insertion length of said teeth of said folding tongues in said guide channel is changed whereby a height of said folds can be determined.
-
Specification