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US 6,786,553 B1Granted
Chair with pivotable back
OwnerJames E. Groveinventor
Life of this patent
Estimating the term…
Abstract
A chair with a chair back pivotally mounted to a pair of armrests which are fixedly secured to a seat. The chair back can be moved from a collapsed position located directly adjacent the seat to an upright position which is substantially transverse to the seat. When in the upright position, a pair of spring biased pins engaged with the chair back in the upright position.
Claims4
A chair with pivotable back comprising:
- a seat which is adapted to support buttocks of a human user, said seat having a first side edge and a second side edge;
- a first armrest secured to said seat and mounted at said first side edge;
- a second armrest secured to said seat and mounted at said second side edge;
- a chair back which is adapted to be located against the user's back;
- a first pivot pin interconnecting said first armrest and said chair back;
- a second pivot pin interconnecting said second armrest and said chair back, whereby said chair back is capable of pivoting relative to said seat between an upright or transverse position relative to said seat and a collapsed position locating said chair back in juxtaposition with said seat;
- and
- said first armrest having a first pin lock assembly, said second armrest having a second pin lock assembly, both said first pin lock assembly and said second pin lock assembly securely engaging with said chair back to fix same in place when said chair back is in said upright position.
5 more elements
Dependencies are inferred from the claim text.