US5042859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic bumper mounted on a base
Assignee: Individual
•
Filing: 1989-09-14
•
Granted: 1991-08-27
•
Expires: 2009-09-14
Abstract
Abstract The present invention relates to a vehicle bumper which performs an effective function of reducing any impact forces acting on the vehicle and thus protects the safety of the passengers and the vehicle. The bumper according to the present invention comprises a base and a pneumatic cushion connected with the base and filled with gas.
Inventors
- 👤 Ning Zhang
- 👤 Jirong Zhou
- 👤 Xiaolan Peng
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:26
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/18; B60R19/20
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
66 words
A vehicle bumper comprising: (a) a base comprising a groove plate; (b) a pneumatic cushion in a form of an endless belt having a front part and a back part which surround the groove plate, the pneumatic cushion filled with gas and connected with the groove plate, the back part being provided with slots which receive securing means for mounting the base to a vehicle body.
Claim 2
Dependent Claim
66 words
A vehicle bumper comprising: (a) a base comprising a groove plate; (b) a pneumatic cushion in a form of an endless belt having a front part and a back part which surround the groove plate, the pneumatic cushion filled with gas and connected with the groove plate, the back part being provided with slots which receive securing means for mounting the base to a vehicle body.
Claim 3
Dependent Claim
23 words
A bumper according to claim 1 wherein the cushion has at least one gas inflation means and at least one pressure relief valve.
Claim 4
Dependent Claim
24 words
A bumper according to claim 2 wherein the front part of the belt has a larger cross-sectional area than that of the back part.
Claim 5
Dependent Claim
21 words
A bumper according to claim 3 wherein a protective layer is provided to wrap around the belt and the groove plate.
Claim 6
Dependent Claim
14 words
A bumper according to claim 4 wherein the cushion is made of polymer materials.
Claim 7
Dependent Claim
14 words
A bumper according to claim 4 wherein the protective layer is made of plastic.
Claim 8
Dependent Claim
19 words
A bumper according to claim 4 further comprising at least one liner provided between the plate and the cushion.
Claim 9
Dependent Claim
11 words
A bumper according to claim 3 wherein the gas is air.
Claim 10
Dependent Claim
23 words
A bumper according to claim 3 wherein the cushion has an operating condition of from 0.5 kg/cm 2 to 10 kg/cm 2 (gauge).
Claim 11
Dependent Claim
20 words
A bumper according to claim 9 wherein the operation condition ranges from 2 kg/cm 2 to 6 kg/cm 2 (gauge).
Claim 12
Dependent Claim
87 words
A vehicle comprising: (a) a base comprising a groove plate having curved sides; (b) a pneumatic cushion filled with gas having a front part and a back part, the back part being provided with at least one slot, the front part and the back part of the cushion surrounding the base; (c) a protective layer wrapped around the cushion; (d) securing means located in the slot for mounting the base to a vehicle body; and (e) The vehicle body connected to the base by the securing means.
Claim 13
Dependent Claim
87 words
A vehicle comprising: (a) a base comprising a groove plate having curved sides; (b) a pneumatic cushion filled with gas having a front part and a back part, the back part being provided with at least one slot, the front part and the back part of the cushion surrounding the base; (c) a protective layer wrapped around the cushion; (d) securing means located in the slot for mounting the base to a vehicle body; and (e) The vehicle body connected to the base by the securing means.
Claim 14
Dependent Claim
23 words
A vehicle according to claim 11 wherein the cushion has an operating condition of from 0.5 kg/cm 2 to 10 kg/cm 2 (gauge).
Claim 15
Dependent Claim
20 words
A vehicle according to claim 11 wherein the operating condition ranges from 2 kg/cm 2 to 6 kg/cm 2 (gauge).
Claim 16
Dependent Claim
14 words
A vehicle according to claim 11 wherein the protective layer is made of plastic.
Claim 17
Dependent Claim
16 words
A vehicle according to claim 11 wherein the cushion has at least one gas inflation means.
Claim 18
Dependent Claim
16 words
A vehicle according to claim 11 wherein the cushion has at least one pressure relief valve.
Claim 19
Dependent Claim
24 words
A vehicle according to claim 11 wherein the front part of the cushion has a larger cross-sectional area than that of the back part.
Claim 20
Dependent Claim
19 words
A vehicle according to claim 11 further comprising at least one liner provided between the base and the cushion.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-26 | 1995-02-25 | 1995-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-26 | 1999-02-25 | 1999-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-26 | 2003-02-25 | 2003-08-27 | $7700.00 | Window Closed / Lapsed |