Locking mechanism for a foldable piece of seating furniture

Details Locking mechanism for a foldable piece of seating furniture Locking mechanism for a foldable piece of seating furniture

A - Human Necessities

47

C

155/49, 155/58

A47C 1/032 (2006.01) A47C 3/03 (2006.01)

Patent

CA 1304668

ABSTRACT The present invention concerns a locking mechanism for a piece of seating furniture that is continuously foldable, comprising a cylindrical bushing , which is fixed to the frame of the piece of seating furniture and which is provided with a pair of diagonally arranged holes for an upwards inclined carrier bar , which is fixed to the seat part, and comprising a locking member jointly operative with the carrier bar as well as a control member acting upon the locking member . The invention is characterized in that the holes are, at least in the peripheral direction, considerably larger than the cross section of the carrier bar , that inside the bushing an inner bushing is fitted freely turnably, said bushing being provided with diagonally placed holes for the carrier bar and having a closed end , that the locking member is spring- loaded and provided with a through hole for the carrier bar and pivotally mounted in the inner bushing , said locking member , when in the normal position, locking the movement of the carrier bar in the direc- tion of the spring force.

610613

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