| 摘要 |
A rocking chair including a base portion having at least one retaining member, a rockable seat portion mounted upon the base portion, an axle mounted on the seat portion, the axle being arranged for pivotal movement about an axis, at least one toothed rack mounted upon the axle and arranged for pivotal movement about the axis between a locked closed position and a locked open position, the toothed rack having a multiplicity of forward facing grooves arranged for selectable retaining engagement with the at least one retaining member, the selectable retaining engagement being operative to selectably limit forward and rearward extents of the rocking movement, and at least one adjustable forward limiting member operative, to limit the extent of forward pivotal movement of the at least one toothed rack in the first plane to be rearward of a second plane which intersects the at least one retaining member. |
| 主权项 |
1. A rocking chair comprising:
a base portion having at least one retaining member; a rockable seat portion mounted upon said base portion, said rockable seat portion being arranged for forward and rearward rocking movement relative to said base portion; an axle mounted on said seat portion, said axle being arranged for pivotal movement about an axis, said axis spanning the width of said seat portion, said axis being generally parallel to said base portion; at least one toothed rack mounted upon said axle, said toothed rack being arranged for pivotal movement, together with said axle, about said axis between a locked closed position and a locked open position, said pivotal movement being in a first plane which is perpendicular to said axis, said toothed rack having a multiplicity of forward facing grooves arranged for selectable retaining engagement with said at least one retaining member, said selectable retaining engagement being operative to selectably limit forward and rearward extents of said rocking movement; and at least one adjustable forward limiting member, said at least one adjustable forward limiting member being operative, when said toothed rack is not in retaining engagement with said at least one retaining member, to limit the extent of forward pivotal movement of said at least one toothed rack in said first plane to be rearward of a second plane which intersects said at least one retaining member and which is generally perpendicular to said base portion and to said first plane. |
