US3768203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure operating structure
Assignee: AMSCO IND CO
•
Filing: 1972-01-26
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Granted: 1973-10-30
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Expires: 1992-01-26
Abstract
Abstract Closure movement assembly providing linear movement of a closure member in a direction transverse to a chamber opening so as to move the closure member into or out of locking position and, also providing in series, rotational movement to swing the closure member away from or toward the chamber; such dual movement of the closure member being provided with a single uninterrupted drive motion.
Inventors
- 👤 E Bellucci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:21
CPC Classifications
E; E05; E05D; E05D3/00; E05D3/06; E05Y; E05Y2999/00
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
246 words
Closure operating structure including chamber means having an opening, closure means for closing the opening of the chamber means, and hinge assembly means interconnecting the chamber means and the closure means and operable with an uninterrupted drive movement to cause the closure means to move linearly in a direction transverse to the opening when the closure means is in contiguous relationship to such opening and, in series with such linear movement, to cause the closure means to move rotatably to swing the closure means toward or away from the chamber, the hinge assembly means including crank means including an output arm means positioned for angular rotation about a fulcrum means, support means for establishing a fixed position for the fulcrum means in relation to the chamber means such that the crank output arm means moves rotationally without need for interruption of movement or direction of such movement to produce both the linear and swinging movement of the closure means, hinge arm means interconnecting the closure means and the crank output arm means for transmitting output force for movement of the closure means in relation to the chamber means, drive means connected to the crank means for moving the crank output arm means pivotally about the fixed position fulcrum means, retention means urging the closure means toward the chamber means when the closure means is in contiguous relationship to the opening of the chamber means, and means releasably interconnecting the closure means and the hinge assembly means.
Claim 2
Dependent Claim
246 words
Closure operating structure including chamber means having an opening, closure means for closing the opening of the chamber means, and hinge assembly means interconnecting the chamber means and the closure means and operable with an uninterrupted drive movement to cause the closure means to move linearly in a direction transverse to the opening when the closure means is in contiguous relationship to such opening and, in series with such linear movement, to cause the closure means to move rotatably to swing the closure means toward or away from the chamber, the hinge assembly means including crank means including an output arm means positioned for angular rotation about a fulcrum means, support means for establishing a fixed position for the fulcrum means in relation to the chamber means such that the crank output arm means moves rotationally without need for interruption of movement or direction of such movement to produce both the linear and swinging movement of the closure means, hinge arm means interconnecting the closure means and the crank output arm means for transmitting output force for movement of the closure means in relation to the chamber means, drive means connected to the crank means for moving the crank output arm means pivotally about the fixed position fulcrum means, retention means urging the closure means toward the chamber means when the closure means is in contiguous relationship to the opening of the chamber means, and means releasably interconnecting the closure means and the hinge assembly means.
Claim 3
Dependent Claim
33 words
The combination of claim 1 in which the drive means comprises power transmitting means operating with a single uninterrupted power stroke to move the closure means serially through both linear and rotational movements.
Claim 4
Dependent Claim
24 words
The combination of claim 2 including limit means to limit linear movement of the closure means when in contiguous relationship to the chamber opening.
Claim 5
Dependent Claim
41 words
The combination of claim 3 in which the crank means comprises bell crank means having an input arm means with the input arm means and the output arm means being rigidly connected for coordinated rotation about the fixed position fulcrum meAns.
Claim 6
Dependent Claim
66 words
The combination of claim 4 in which the single stroke drive means comprises a fluid operated work cylinder having piston rod means pivotally connected to the bell crank input arm means, with the work cylinder being mounted for limited pivotal movement to allow for curvilinear movement of such piston rod connection with the bell crank input arm means about the fixed position bell crank fulcrum means.
Claim 7
Dependent Claim
30 words
The combination of claim 1 in which the hinge arm means comprises a rigid elongated arm pivotally connected to the crank output arm means and connected to the closure means.
Claim 8
Dependent Claim
24 words
The combination of claim 6 in which the hinge arm means is connected centrally of the closure means for support of the closure means.
Claim 9
Dependent Claim
30 words
The combination of claim 8 in which the hinge arm means is connected to the closure means contiguous to a location for center of gravity support of the closure means.
Claim 10
Dependent Claim
51 words
The combination of claim 1 including means for releasably interconnecting the closure means and the crank output arm means upon linear movement of the closure means in a direction toward the fulcrum means, with the retention means exerting a directional moment of force urging the closure means toward the fulcrum means.
Claim 11
Dependent Claim
33 words
The combination of claim 9 in which the means for releasably interconnecting the closure means and the crank output arm means is mounted on the closure means and interacts with the crank means.
Claim 12
Dependent Claim
65 words
The combination of claim 10 in which the means for releasably interconnecting the closure means and the crank output arm means comprises an elongated prong means mounted on the closure means and tapered at one longitudinal end to interfit with a tapered recess in the crank output arm means upon linear movement of the closure means in a direction toward the fixed position fulcrum means.
Claim 13
Dependent Claim
17 words
The combination of claim 1 in which the retention means is connected to the hinge arm means.
Claim 14
Dependent Claim
22 words
The combination of claim 12 in which the retention means comprises spring means interconnecting the hinge arm means and the crank means.
Claim 15
Dependent Claim
35 words
The combination of claim 12 including stop block means mounted on the crank output arm means and acting to limit angular movement of the hinge arm means in relation to the crank output arm means.
Claim 16
Dependent Claim
31 words
The combination of claim 1 including means carried on the closure means and means positioned about the opening of the chamber means for interlocking the closure means and the chamber means.
Claim 17
Dependent Claim
27 words
The combination of claim 16 in which the means carried on the closure means and positioned about the opening of the chamber means comprises cooperating flange means.
Claim 18
Dependent Claim
56 words
The combination of claim 16 in which the linear movement of the closure means imposed by the crank means causes relative movement between the flange means on the closure means and the cooperating flange means on the chamber means establishing alignment of such flange means to permit sealing between the closure means and the chamber means.
Claim 19
Dependent Claim
23 words
The combination of claim 16 further including auxiliary locking means for effecting a pressure-tight seal between the closure member and the chamber opening.
Claim 20
Dependent Claim
15 words
The combination of claim 1 in which the chamber means comprises a pressure-operated sterilizing vessel.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |