Patent US5586810A successfully refreshed from Google Patents.
US5586810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable headrest
Assignee: Individual
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Filing: 1996-02-12
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Granted: 1996-12-24
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Expires: 2016-02-12
Abstract
Abstract A headrest including two vertical rods, an upper horizontal rod, a lower horizontal rod, a pair of vertical supporting means arranged between the upper and lower horizontal rods and including a positioning rod and a guiding rod, a first pair of sliders slidably mounted on the upper horizontal rod, a second pair of sliders slidably mounted on the lower horizontal rod, a first pair of cylindrical members fitted in the first pair of sliders, a second pair of cylindrical members fitted in the second pair of sliders, a pair of panels slidably mounted the guiding rod, and a pair of cylinders fitted in the panels, whereby the headrest can be conveniently adjusted as desired.
Inventors
- 👤 Yang-Ting Liu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:57
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/38; B; B60; B60N; B60N2/00; B60N2/80; B60N2/806; B60N2/809; B60N2/812; B60N2/821; B60N2/868; B60N2/885
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
233 words
A headrest comprising: two vertical rods; an upper horizontal rod connected between upper ends of said two vertical rods; a lower horizontal rod connected between lower ends of said two vertical rods; a pair of vertical supporting means arranged between said upper and lower horizontal rods and including a positioning rod and a guiding rod; a first pair of sliders slidably mounted on said upper horizontal rod and having a recess at an intermediate portion and two pins at a bottom thereof adapted to engage with upper ends of said positioning rod and guiding rod; a second pair of sliders slidably mounted on said lower horizontal rod and having a recess at an intermediate portion and two pins at a bottom thereof adapted to engage with lower ends of said positioning rod and guiding rod; a first pair of cylindrical members each fitted in said recess of said first pair of sliders and having a lug and an eccentric hole receiving said upper horizontal rod; a second pair of cylindrical members each fitted in said recess of said second pair of sliders and having a lug and an eccentric hole receiving said lower horizontal rod; a pair of panels each slidably mounted on said guiding rod and having a cavity and a projection plate; and a pair of cylinders each fitted in said cavity and having an eccentric hole receiving said guiding rod.
Claim 2
Dependent Claim
233 words
A headrest comprising: two vertical rods; an upper horizontal rod connected between upper ends of said two vertical rods; a lower horizontal rod connected between lower ends of said two vertical rods; a pair of vertical supporting means arranged between said upper and lower horizontal rods and including a positioning rod and a guiding rod; a first pair of sliders slidably mounted on said upper horizontal rod and having a recess at an intermediate portion and two pins at a bottom thereof adapted to engage with upper ends of said positioning rod and guiding rod; a second pair of sliders slidably mounted on said lower horizontal rod and having a recess at an intermediate portion and two pins at a bottom thereof adapted to engage with lower ends of said positioning rod and guiding rod; a first pair of cylindrical members each fitted in said recess of said first pair of sliders and having a lug and an eccentric hole receiving said upper horizontal rod; a second pair of cylindrical members each fitted in said recess of said second pair of sliders and having a lug and an eccentric hole receiving said lower horizontal rod; a pair of panels each slidably mounted on said guiding rod and having a cavity and a projection plate; and a pair of cylinders each fitted in said cavity and having an eccentric hole receiving said guiding rod.
Claim 3
Dependent Claim
16 words
The headrest as claimed in claim 1, further comprising a pair of cushions enclosing respective panels.
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) | 1999-12-24 | 2000-06-24 | 2000-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-12-24 | 2004-06-24 | 2004-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-12-24 | 2008-06-24 | 2008-12-24 | $7700.00 | Window Closed / Lapsed |