초록 ▼

This invention relates to a foldable armchair incorporating adjustable backrest and footrest, in which the connecting elements which control orientation of the footrest are connected to the backrest by pivoting crank pins provided with bearing faces cooperating with stops on said backrest, so as to

This invention relates to a foldable armchair incorporating adjustable backrest and footrest, in which the connecting elements which control orientation of the footrest are connected to the backrest by pivoting crank pins provided with bearing faces cooperating with stops on said backrest, so as to make a unidirectional angular connection which ensures modification of the orientation of the footrest during any angular modification of the backrest, while allowing the armchair to be completely folded.

대표청구항 ▼

A foldable armchair including adjustable backrest and footrest which are pivotally connected to the forward and rear portions of a seat so as to be extendable from and collapsible with respect thereto in which the improvement comprises, a pair of spaced longitudinally connecting elements disposed be

A foldable armchair including adjustable backrest and footrest which are pivotally connected to the forward and rear portions of a seat so as to be extendable from and collapsible with respect thereto in which the improvement comprises, a pair of spaced longitudinally connecting elements disposed beneath the seat and extending generally between the forward and rear portions thereof, said connecting elements having front and rear ends, first pivot means for pivotally connecting said first ends of said connecting elements to said footrest, a pair of crank means having upper and lower ends, second pivot means for pivotally connecting said lower end of said crank means to said rear ends of said connecting elements, the backrest having upper and base portions, third pivot means for pivotally connecting said crank means to the seat adjacent the rear portion thereof and to the backrest adjacent the base portion thereof, a pair of spaced stop means formed along and extending from and in substantial alignment with said base portion of the backrest, said upper ends of each of said crank means including a bearing surface face which is selectively engageable with said pair of spaced stop means of the backrest, said bearing surface faces having a configuration so as to be drivingly engaged by said stop means when the backrest is pivoted to extend away from the seat but which permits the free rotational movement of the backrest when the backrest is pivoted so as to be collapsible with respect to the seat.