Sandwiched tubular airbags
First Claim
1. A sandwiched tubular safety airbag, comprising an air tube truss including at least one bending hollow air tube, a lower air cushion and an upper air cushion, wherein the lower air cushion is provided at the bottom of the air tube truss, the upper air cushion is provided on top of the air tube truss, the lower air cushion communicates with the air tube truss and the air tube truss communicates with the upper air cushion, such that a gas successively enters from the lower air cushion into the air tube truss and the upper air cushion.
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Accused Products
Abstract
Sandwiched tubular safety airbags are disclosed. An example sandwiched tubular safety airbag comprises an air tube truss (2) formed by a bending hollow air tube (21), a lower air cushion (4) and an upper air cushion (1). The lower air cushion (4) is provided at the bottom of the air tube truss (2), and the upper air cushion (1) is provided on top of the air tube truss (2). An inlet opening (5) is provided on the bottom surface of the lower air cushion (4). The end openings of the hollow air tube (21) of the air tube truss (2) are charging openings (3) of the air tube truss (2). Charging holes (11) are provided at joints of the lower air cushion (4) with the charging openings (3) of the air tube truss (2). The top of the air tube truss (2) is provided with one or more discharging holes (6) communicating with the upper air cushion (1).
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Citations
12 Claims
- 1. A sandwiched tubular safety airbag, comprising an air tube truss including at least one bending hollow air tube, a lower air cushion and an upper air cushion, wherein the lower air cushion is provided at the bottom of the air tube truss, the upper air cushion is provided on top of the air tube truss, the lower air cushion communicates with the air tube truss and the air tube truss communicates with the upper air cushion, such that a gas successively enters from the lower air cushion into the air tube truss and the upper air cushion.
Specification