Patent US3272555A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3272555A Expired / Lapsed US ⏱️ 0.0 years remaining

Adjustable back lounge chair

Assignee: American Seating Co
•
Filing: 1964-11-12
•
Granted: 1966-09-13
•
Expires: 1984-11-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Chester J Barecki
  • 👤 Robert T Knapp

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 21:16
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/031; A47C1/032; A47C1/03205; A47C1/03238

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 234 words
IN A CHAIR, A HORIZONTAL TUBULAR SEAT FRAME, A CUSHION CARRIED BY SAID FRAME, LEGS SUPPORTING SAID FRAME AND EXTENDING THEREABOVE, ARMRESTS CARRIED BY SAID LEGS FRAME SAID CUSHION, PIVOT STANDARDS MOUNTED ON SAID SEAT FRAME AND EXTENDING UPWARDLY THEREFROM, A BACK FRAME PIVOTALLY MOUNTED ON SAID STANDARDS, A CUSHION CARRIED BY SAID BACK FRAME, ONE SIDE OF SAID BACK FRAME BEING EXTENDED DOWNWARDLY ADJACENT A TUBULAR SIDE MEMBER OF SAID SEAT FRAME, SAID TUBULAR MEMBER BEING PROVIDED ON ITS INNER SIDE WITH A LONGITUDINAL SLOT, A PIVOT GUIDE SLIDABLY MOUNTED IN SAID TUBULAR MEMBER AND PROVIDED AT ITS REAR END WITH A HEAD AND AT ITS FORWARD END WITH A CYLINDRICAL RATCHET HAVING ITS LOWER SURFACE CUT AWAY TO FORM DOWNWARDLY-EXTENDING TEETH, A PIN EXTENDING THROUGH SAID SLOT AND CONNECTING SAID PIVOT GUIDE HEAD AND SAID EXTENDED PORTON OF SAID BACK FRAME, A SPRING WITHIN SAID TUBULAR MEMBER ENGAGING SAID HEAD, PINS EXTENDING THROUGH SAID TUBULAR MEMBER AND RESTRICTING FORWARD MOVEMENT OF SAID SPRING, A PIN EXTENDNG THROUGH SAID TUBULAR MEMBER AND ENGAGING A LONGITUDINAL SLOT WITHIN SAID RATCHET MEMBER, A LEVER PIVOTALLY MOUNTED ON SAID TUBULAR MEMBER AND HAVING A REARWARDLY-EXTENDING ARM EQUIPPED WITH UPWARDLY-EXTENDING TOOTH MEANS, SAID TUBULAR MEMBER BEING CUT AWAY TO ALLOW SAID TOOTH MEANS TO ENGAGE SELECTIVELY SAID RATCHET TEETH FOR LATCHING SAID RATCHET IN A PLURALITY OF LONGITUDINAL POSITIONS, AND SPRING MEANS NORMALLY URGING SAID ARM UPWARDLY.
Claim 2
Dependent Claim 234 words
IN A CHAIR, A HORIZONTAL TUBULAR SEAT FRAME, A CUSHION CARRIED BY SAID FRAME, LEGS SUPPORTING SAID FRAME AND EXTENDING THEREABOVE, ARMRESTS CARRIED BY SAID LEGS FRAME SAID CUSHION, PIVOT STANDARDS MOUNTED ON SAID SEAT FRAME AND EXTENDING UPWARDLY THEREFROM, A BACK FRAME PIVOTALLY MOUNTED ON SAID STANDARDS, A CUSHION CARRIED BY SAID BACK FRAME, ONE SIDE OF SAID BACK FRAME BEING EXTENDED DOWNWARDLY ADJACENT A TUBULAR SIDE MEMBER OF SAID SEAT FRAME, SAID TUBULAR MEMBER BEING PROVIDED ON ITS INNER SIDE WITH A LONGITUDINAL SLOT, A PIVOT GUIDE SLIDABLY MOUNTED IN SAID TUBULAR MEMBER AND PROVIDED AT ITS REAR END WITH A HEAD AND AT ITS FORWARD END WITH A CYLINDRICAL RATCHET HAVING ITS LOWER SURFACE CUT AWAY TO FORM DOWNWARDLY-EXTENDING TEETH, A PIN EXTENDING THROUGH SAID SLOT AND CONNECTING SAID PIVOT GUIDE HEAD AND SAID EXTENDED PORTON OF SAID BACK FRAME, A SPRING WITHIN SAID TUBULAR MEMBER ENGAGING SAID HEAD, PINS EXTENDING THROUGH SAID TUBULAR MEMBER AND RESTRICTING FORWARD MOVEMENT OF SAID SPRING, A PIN EXTENDNG THROUGH SAID TUBULAR MEMBER AND ENGAGING A LONGITUDINAL SLOT WITHIN SAID RATCHET MEMBER, A LEVER PIVOTALLY MOUNTED ON SAID TUBULAR MEMBER AND HAVING A REARWARDLY-EXTENDING ARM EQUIPPED WITH UPWARDLY-EXTENDING TOOTH MEANS, SAID TUBULAR MEMBER BEING CUT AWAY TO ALLOW SAID TOOTH MEANS TO ENGAGE SELECTIVELY SAID RATCHET TEETH FOR LATCHING SAID RATCHET IN A PLURALITY OF LONGITUDINAL POSITIONS, AND SPRING MEANS NORMALLY URGING SAID ARM UPWARDLY.

References Cited (Backward Citations)

US2283485A Cited
US2645275A Cited
US2962087A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-12 1970-03-14 1970-09-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-12 1974-03-14 1974-09-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-12 1978-03-14 1978-09-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag