Patent US3801790A successfully refreshed from Google Patents.
US3801790A
Expired / Lapsed
US
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Movable x-ray examining device
Assignee: Siemens AG
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Filing: 1973-03-13
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Granted: 1974-04-02
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Expires: 1993-03-13
Abstract
Abstract A movable X-ray examining device has an X-ray tube unit which is connected by a horizontally extendable arm swingable in horizontal direction with a stand located upon a carriage. The device is particularly characterized by supports movable sidewise out of the carriage and a locking device cooperating with the arm and the supports and permitting the pulling out of the arm only when the supports are fully moved out and permitting the return of the supports only when the arm is pulled in.
Inventors
- 👤 H Gotzl
- 👤 M Rattner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:55
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/44; A61B6/4405; A61B6/10; A61B6/102; A61B6/105
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
140 words
A movable X-ray examining device, comprising a carriage, a stand, an arm having inner and outer ends, means supporting the inner end of said arm upon said stand for vertical movement of the arm upon said stand and for a swinging movement of the arm in a horizontal plane, said arm being foldable and extensible outwardly from its folded position, an X-ray tube unit carried by the outer end of said arm, two supports located in opposite sides of said carriage and movable from inner positions to outwardly extending positions, and a locking device connected with said arm and said supports and permitting an outward extension of said arm only when said supports are in their outwardly extending positions, and permitting a movement of said supports back to their inner positions only when said arm is in its folded position.
Claim 2
Dependent Claim
140 words
A movable X-ray examining device, comprising a carriage, a stand, an arm having inner and outer ends, means supporting the inner end of said arm upon said stand for vertical movement of the arm upon said stand and for a swinging movement of the arm in a horizontal plane, said arm being foldable and extensible outwardly from its folded position, an X-ray tube unit carried by the outer end of said arm, two supports located in opposite sides of said carriage and movable from inner positions to outwardly extending positions, and a locking device connected with said arm and said supports and permitting an outward extension of said arm only when said supports are in their outwardly extending positions, and permitting a movement of said supports back to their inner positions only when said arm is in its folded position.
Claim 3
Dependent Claim
20 words
An X-ray examining device according to claim 1, wherein said carriage has recesses receiving said supports in their inner positions.
Claim 4
Dependent Claim
17 words
An X-ray examining device according to claim 1, wherein said carriage has means swingably supporting said supports.
Claim 5
Dependent Claim
26 words
An X-ray examining device according to claim 1, wherein said carriaGe has a foot pedal and means connected with said foot pedal for moving said supports.
Claim 6
Dependent Claim
25 words
An X-ray examining device according to claim 1, wherein said locking device comprises locks, electromagnetic means actuating said locks and switches connected with said locks.
References Cited (Backward Citations)
US2846587A
Cited
US3644735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |