US3594072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head-holding fixture for use with visual instruments
Assignee: A S LABORATORIES Inc A CORP OF
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Filing: 1969-12-04
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Granted: 1971-07-20
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Expires: 1989-12-04
Abstract
Abstract A head-holding fixture for use with visual instruments including a frame with a laterally extending bar for engaging the forehead and a moveable chin support for pivoting the head about the laterally extending bar and/or changing the head elevation with respect to it so as to provide both height and tilt adjustment.
Inventors
- 👤 James E Feather
- 👤 Jens Duborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:52
CPC Classifications
A; A61; A61B; A61B3/00; A61B3/0083; A61B3/10; A61B3/113
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
75 words
A head-holding fixture comprising, a tubular frame including a laterally extending bar for engaging the forehead, an adjustable chin rest, means for mounting and adjusting said chin rest on the frame, said adjusting means including means for providing a single adjustment for both the head height and tilt with respect to the frame, and restraining means connected to the frame proximate the laterally extending bar for resisting lateral movement of the head in the frame.
Claim 2
Dependent Claim
75 words
A head-holding fixture comprising, a tubular frame including a laterally extending bar for engaging the forehead, an adjustable chin rest, means for mounting and adjusting said chin rest on the frame, said adjusting means including means for providing a single adjustment for both the head height and tilt with respect to the frame, and restraining means connected to the frame proximate the laterally extending bar for resisting lateral movement of the head in the frame.
Claim 3
Dependent Claim
65 words
A head-holding fixture in accordance with claim 1 further characterized by said mounting means including a bracket that carries the chin rest secured on each side of the frame, said adjusting means including clamps, one on each side of the frame for engaging the bracket, said adjusting means also including a fastener on each clamp to pivot, raise and lower the bracket on the frame.
Claim 4
Dependent Claim
51 words
A head-holding fixture in accordance with claim 1 further characterized by said restraining means comprising a pair of eccentrically mounted discs on each side of the frame for engaging the sides of the head by their edges, said discs being rotatable to move their edges toward and away from each other.
Claim 5
Dependent Claim
58 words
A head-holding fixture in accordance with claim 2 further characterized by said bar for engaging the forehead extending laterally across the frame and establishes a tilt axis for the head just above the eyes, and said adjusting means enabling the chin rest to move up and down, and back and forth with respect to the laterally extending bar.
Claim 6
Dependent Claim
67 words
A head-holding fixture in accordance with claim 4 further characterized by said frame comprising a pair of substantially vertical side posts and a pair of forwardly extending arms attached to the tops of the side posts and joined together by the laterally extending bar, said discs being mounted for rotation on the forwardly extending arms, said adjusting means being secured to the frame rearwardly of the discs.
References Cited (Backward Citations)
US2063015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |