US4916859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assault-resistant gate
Assignee: Embassy Gate Associates LP
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Filing: 1988-08-29
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Granted: 1990-04-17
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Expires: 2008-08-29
Abstract
Abstract An assault-resistant gate is intended to bar passage, through an opening, of large vehicles moving at high velocity. The gate has a relatively strong hinge-post. A beam extends from the hinge-post across the opening. The beam is relatively rigid in a horizontal plane. The beam is attached to the hinge-post by a breakaway mounting. The attachment is weaker than the hinge-post. Energy absorbing material is disposed behind the beam on either side of the opening.
Inventors
- 👤 Colin Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:10
CPC Classifications
E; E01; E01F; E01F13/00; E01F13/12; B; B61; B61L; B61L29/00; B61L29/02; E01F13/04; E01F13/06
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
83 words
An assault-resistant gate for barring passage, through an opening, of vehicles, said gate comprising: a hinge-post means; beams means, extending from the hinge-post means across the opening, said beam means being relatively rigid in a horizontal plane; breakaway beam mounting means attaching the beam means to the hinge-post means, which mounting means is weaker than the hinge-post means; energy-absorbing means, disposed behind said beam means at a hinge-post side and at a distal side of the opening for absorbing impact from the beam.
Claim 2
Dependent Claim
83 words
An assault-resistant gate for barring passage, through an opening, of vehicles, said gate comprising: a hinge-post means; beams means, extending from the hinge-post means across the opening, said beam means being relatively rigid in a horizontal plane; breakaway beam mounting means attaching the beam means to the hinge-post means, which mounting means is weaker than the hinge-post means; energy-absorbing means, disposed behind said beam means at a hinge-post side and at a distal side of the opening for absorbing impact from the beam.
Claim 3
Dependent Claim
23 words
A gate according to claim 1 in which the energy-absorbing means comprises a relatively rigid and heavy footing means, embedded in a surface.
Claim 4
Dependent Claim
23 words
A gate according to claim 2 in which the energy-absorbing means further comprises cushion means between the beam means and the footing means.
Claim 5
Dependent Claim
24 words
A gate according to claim 3 in which the cushion means comprises a rigid cellular material which absorbs energy by progressively crushing on impact.
Claim 6
Dependent Claim
19 words
A gate according to claim 3 in which the cushion means comprises a pad of resilient and flexible material.
Claim 7
Dependent Claim
28 words
A gate according to claim 3 in which the hinge-post means, the beam means and the cushion means comprise modular means for relatively simple installation, replacement and repair.
Claim 8
Dependent Claim
17 words
A gate according to claim 6 having a system controller means for actuating the hydraulic pump means.
Claim 9
Dependent Claim
25 words
A gate according to claim 7 further comprising traffic signal means controlled by the system controller which generates signals related to conditions of the gate.
Claim 10
Dependent Claim
10 words
A gate according to claim 8 having control panel means.
Claim 11
Dependent Claim
17 words
A gate according to claim 9 in which the control panel means comprise a plurality of stations.
Claim 12
Dependent Claim
23 words
A gate according to claim 1 further comprising panel means associated with the beam means for barring passage by people through the opening.
Claim 13
Dependent Claim
14 words
A gate according to claim 11 in which said panel means comprised decorative elements.
Claim 14
Dependent Claim
22 words
A gate according to claim 12 in which at least some of the decorative elements are designed to break away on impact.
Claim 15
Dependent Claim
13 words
A gate according to claim 12 in which the decorative elements are filigree.
Claim 16
Dependent Claim
28 words
A gate according to claim 1 in which the hinge-post means comprises: a post, the post having hydraulic means associated therewith to actuate movement of the beam means.
Claim 17
Dependent Claim
26 words
A gate according to claim 1 further comprising hydraulic means for swinging the beam means clear of the opening and for swinging the beam means closed.
Claim 18
Dependent Claim
15 words
A gate according to claim 16 in which the hydraulic means comprises a helical drive.
Claim 19
Dependent Claim
19 words
A gate according to claim 16 in which the hydraulic means comprises a hydraulic pump means powered by electricity.
Claim 20
Dependent Claim
16 words
A gate according to claim 18 in which the electricity is supplied by rechargeable battery means.
Claim 21
Dependent Claim
17 words
A gate according to claim 19 further comprising recharging means for converting power from a remote source.
Claim 22
Dependent Claim
14 words
A gate according to claim 20 in which the remote source is the sun.
Claim 23
Dependent Claim
27 words
A gate according to claim 7 having a system controller which may be communicated with, from a remote location, and controlled by signals transmitted over telephone lines.
Claim 24
Dependent Claim
38 words
A gate according to claim 22 comprising means for assessing the operating condition of the gate, and for diagnosing faults in the gate from a remote location, by signals communicated with the system controller over the telephone lines.
Claim 25
Dependent Claim
23 words
A gate according to claim 23 comprising means for effecting some repairs by signals transmitted over the telephone lines to the system controller.
Claim 26
Dependent Claim
56 words
A gate according to claim 15 in which the post is secured to a mounting flange mounted atop a plurality of threaded rods, said rods having a lower portion embedded in a footing; said rods having a lower set of height-adjusting nuts on which the flange rests; said rods having an upper set of securing nuts.
Claim 27
Dependent Claim
25 words
A gate according to claim 1 in which the hinge-post means and the beam means comprise modular means for relatively simple installation, replacement and repair.
References Cited (Backward Citations)
US4818137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-04-16 | 1993-10-16 | 1994-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-16 | 1997-10-16 | 1998-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-16 | 2001-10-16 | 2002-04-17 | $7700.00 | Window Closed / Lapsed |