← Back to Patent Explorer
US6428104B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Backlash reducing structure for recliner adjuster

Assignee: Delta Tooling Co Ltd
•
Filing: 2000-06-08
•
Granted: 2002-08-06
•
Expires: 2020-06-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract An automobile seat or recliner has a recliner adjuster for adjusting the inclination of a seat back relative to a seat cushion. The recliner adjuster is provided with a backlash reducing structure that includes a worm gear attached rotatably to the seat cushion, a sector gear fixed to the seat back and held in engagement with the worm gear, and a pressing member for pressing the sector gear to the worm gear to reduce backlash therebetween.

Inventors

  • 👤 Yutaka Sakamoto
  • 👤 Hiroki Honda

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 13:23
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/22; B60N2/2231

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 123 words
A backlash reducing structure for a recliner adjuster that is attached to a recliner having a seat cushion and a seat back, said backlash reducing structure comprising: a worm gear attached rotatably to the seat cushion; a sector gear fixed to the seat back and held in engagement with said worm gear; a pressing member for pressing said sector gear to said worm gear to reduce backlash therebetween; and a bracket attached to the seat cushion and having a tapered groove formed therein, wherein said pressing member comprises a roller attached rockingly to said sector gear and inserted loosely in the tapered groove, said roller being biased along an edge of the tapered groove to press said sector gear to said worm gear.
Claim 2
Dependent Claim 123 words
A backlash reducing structure for a recliner adjuster that is attached to a recliner having a seat cushion and a seat back, said backlash reducing structure comprising: a worm gear attached rotatably to the seat cushion; a sector gear fixed to the seat back and held in engagement with said worm gear; a pressing member for pressing said sector gear to said worm gear to reduce backlash therebetween; and a bracket attached to the seat cushion and having a tapered groove formed therein, wherein said pressing member comprises a roller attached rockingly to said sector gear and inserted loosely in the tapered groove, said roller being biased along an edge of the tapered groove to press said sector gear to said worm gear.
Claim 3
Dependent Claim 124 words
A backlash reducing structure for a recliner adjuster that is attached to a recliner having a seat cushion bracket and a seat back bracket, said backlash reducing structure comprising: a worm gear attached rotatably to the seat cushion bracket; a sector gear fixed to the seat back bracket and held in engagement with said worm gear; a pressing member for pressing said sector gear to said worm gear to reduce backlash therebetween; and wherein said seat cushion bracket has a tapered groove formed therein, said pressing member comprises a roller attached rockingly to said sector gear and inserted loosely in the tapered groove, and said roller is biased along an edge of the tapered groove to press said sector gear to said worm gear.
Claim 4
Dependent Claim 124 words
A backlash reducing structure for a recliner adjuster that is attached to a recliner having a seat cushion bracket and a seat back bracket, said backlash reducing structure comprising: a worm gear attached rotatably to the seat cushion bracket; a sector gear fixed to the seat back bracket and held in engagement with said worm gear; a pressing member for pressing said sector gear to said worm gear to reduce backlash therebetween; and wherein said seat cushion bracket has a tapered groove formed therein, said pressing member comprises a roller attached rockingly to said sector gear and inserted loosely in the tapered groove, and said roller is biased along an edge of the tapered groove to press said sector gear to said worm gear.

References Cited (Backward Citations)

US3469469A Cited
GB2117484A Cited
US4528862A Cited
US4685735A Cited
US4979404A Cited
US5295730A Cited
JPH10217817A Cited
US5997089A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2005-08-05 2006-02-04 2006-08-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2009-08-05 2010-02-04 2010-08-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2013-08-05 2014-02-04 2014-08-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag