US3572834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable head rest for vehicle seats
Assignee: Individual
•
Filing: 1968-11-19
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Granted: 1971-03-30
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Expires: 1988-11-19
Abstract
Abstract An adjustable headrest wherein the adjusting and locking means are contained within the upholstery and the manually accessible operator lever is disposed in such a manner that it constitutes no safety hazard in an automobile. The device comprises a support rack having a series of depressions along its length; a sleeve surrounding the rack and longitudinally slidable with respect thereto and securing means carried by said sleeve for immobilizing the sleeve with respect to said rack in a desired position by manipulating said accessible lever.
Inventors
- 👤 Kurt Herzer
- 👤 Wolfgang Mertens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:44
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/80; B60N2/806; B60N2/809; B60N2/812; B60N2/818; B60N2/815
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
177 words
In a headrest of the type attached to the backrest of vehicle seats and adjustable to assume a desired height position, the improvement comprising, A. a support rack for holding said headrest on said backrest and B. a securing mechanism for positively locking said headrest with respect to said backrest in any of a plurality of height positions, said securing mechanism including 1. a sleeve, at least partially surrounding said support rack and adapted to slide with respect thereto, 2. a detent means carried by said sleeve for interlockingly engaging said support rack to positively lock the latter with respect to said sleeve against any displacement, 3. release means carried by said sleeve and operatively connected with said detent means and 4. manually accessible means forming part of said release means to effect, when manually actuated, disengagement of said detent means from said support rack permitting the latter to slide with respect to said sleeve, said manually accessible means being so located as not to constitute a safety hazard upon appearance of sudden acceleration and deceleration forces.
Claim 2
Dependent Claim
177 words
In a headrest of the type attached to the backrest of vehicle seats and adjustable to assume a desired height position, the improvement comprising, A. a support rack for holding said headrest on said backrest and B. a securing mechanism for positively locking said headrest with respect to said backrest in any of a plurality of height positions, said securing mechanism including 1. a sleeve, at least partially surrounding said support rack and adapted to slide with respect thereto, 2. a detent means carried by said sleeve for interlockingly engaging said support rack to positively lock the latter with respect to said sleeve against any displacement, 3. release means carried by said sleeve and operatively connected with said detent means and 4. manually accessible means forming part of said release means to effect, when manually actuated, disengagement of said detent means from said support rack permitting the latter to slide with respect to said sleeve, said manually accessible means being so located as not to constitute a safety hazard upon appearance of sudden acceleration and deceleration forces.
Claim 3
Dependent Claim
26 words
a detent means carried by said sleeve for interlockingly engaging said support rack to positively lock the latter with respect to said sleeve against any displacement,
Claim 4
Dependent Claim
26 words
a detent means carried by said sleeve for interlockingly engaging said support rack to positively lock the latter with respect to said sleeve against any displacement,
Claim 5
Dependent Claim
32 words
The improvement as defined in claim 1 wherein said support rack is pivotally held in said backrest and extends therefrom into said headrest, said securing mechanism is fixedly held within said headrest.
Claim 6
Dependent Claim
32 words
The improvement as defined in claim 1 wherein said support rack is pivotally held in said headrest and extends therefrom into said backrest, said securing mechanism is fixedly held within said backrest.
Claim 7
Dependent Claim
14 words
release means carried by said sleeve and operatively connected with said detent means and
Claim 8
Dependent Claim
14 words
release means carried by said sleeve and operatively connected with said detent means and
Claim 9
Dependent Claim
55 words
manually accessible means forming part of said release means to effect, when manually actuated, disengagement of said detent means from said support rack permitting the latter to slide with respect to said sleeve, said manually accessible means being so located as not to constitute a safety hazard upon appearance of sudden acceleration and deceleration forces.
Claim 10
Dependent Claim
55 words
manually accessible means forming part of said release means to effect, when manually actuated, disengagement of said detent means from said support rack permitting the latter to slide with respect to said sleeve, said manually accessible means being so located as not to constitute a safety hazard upon appearance of sudden acceleration and deceleration forces.
Claim 11
Dependent Claim
80 words
The improvement as defined in claim 1 wherein said support rack is provided with longitudinally spaced openings, said detent means includes a locking pin urged into one of said openings by spring means, said release means includes a member movably attached to said sleeve and having a manually accessible lever, said member is connected to said pin and is adapted, upon manual actuation of said lever, to withdraw said pin from said opening against the force of said spring means.
Claim 12
Dependent Claim
34 words
The improvement as defined in claim 4 wherein said spring means is a leaf spring, one end of which is secured to said sleeve and the other end of which carries said locking pin.
Claim 13
Dependent Claim
100 words
The improvement as defined in claim 1 wherein said support rack is provided with longitudinally spaced depressions, said detent means includes a detent ball held by said sleeve, said release means includes a lever movably secured to said sleeve, said lever is adapted to assume a first position in which it clamps said detent ball into one of said depressions, said lever is adapted to assume a second position in which it permits said detent ball to clear said depression, said lever is further adapted to be manually engaged for displacing it from one of said positions into the other.
Claim 14
Dependent Claim
77 words
The improvement as defined in claim 6 wherein said lever is pivotally secured to said sleeve and is formed of a first arm having a wedge which is in engagemeNt with said detent ball when said lever is in said first position, said wedge is disengaged from said detent ball when said lever is in said second position, said lever is further formed of a second arm at least the end portion of which is manually engageable.
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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |