Infant rocking chair

Details Infant rocking chair Infant rocking chair

1999-06-01

2001-01-16

Cuomo, Peter M. (Department: 3624)

Chairs and seats

Rocker-mounted

C280S642000, C280S647000, C280S657000, C280S658000, C297S270500, C297S271600

Reexamination Certificate

active

06174028

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to an infant rocking chair, especially to a collapsible structure of the infant rocking chair that can make conversions between the states of use.
BACKGROUND OF THE INVENTION
An infant rocking chair as known to the art such as in the U.S. Pat. No. 5,203,611 has a resilient iron rack to be folded into an interconnected single member of a seat support and a base support with an inclined angle included therebetween. The seat support can be mounted with a soft seat mat upon the seat support and the base support can be displaced horizontally on the ground. By that infants can be seated on the seat mat that can be caused to rock induced by the resilient characteristic of the seat support.
However, the structure of the rocking chair according to the above-mentioned patent is not collapsible due to the integration of the seat support and the base support into a single member, which necessitates producers a larger space of occupation when in storage or in the packed transport and can cause difficulties in using for the general users. Therefore, the infant rocking chair with a foldable or collapsible structure comes up in the following products. The art of an infant rocking chair of the collapsible type is disclosed in the U.S. Pat. No. 5,269,591 comprising a base frame portion with a fix member on the upper and a seat back support member on the top thereof, a foldable connector assembly mounted on the middle of the seat back support member, a seat pad support member on the opposite inner sides located on the top of the base frame portion, transverse members stretched across inner sides of the base frame portion, and a base frame support member mounted on the rear of the base frame portion. Both the seat pad support member and the seat back support member can be covered with a soft pad, and infants can be seated thereon to sway forward and backward.
The connector assembly in said structure can cause the seat back support member to be folded to occupy less storage space and the inclined angle of the rocking chair can be adjustable thereby.
The aforesaid rocking chair structure is advantageous in the adjustable inclination of the seat back support member as well as the foldable same due to the connector assembly installed thereon; however, the operative inconvenience in folding the rocking chair leads to the requirement for further improvement.
SUMMARY OF THE INVENTION
For resolving the aforesaid problems, it is the objective of the present invention to provide an infant rocking chair comprising a base frame support member with a fix frame and a collapsible frame mounted on the front and the rear thereof, respectively. The fix frame comprises a front support member and the collapsible frame comprises a rear support member. Both top ends of the rear support member and the front support member are pivoted onto a positioning part. The seat back support member is connected to the positioning part via an arched sliding member. A hook member mounted on the seat back support member can be pulled by a handle to induce a lower shaft of the hook member to be out of blocking slots in the positioning part through which the inclination angle of the seat back support member can be adjusted. Moreover, a collapsible device installed on the end of the rear support member comprises a pivoted joint encasing tube with a push member. By pressing the push member on the pivoted joint encasing tube, the collapsible device can actuate a fixation block member mounted on the end of a joint member connected to the pivoted joint encasing tube to be away from a fixation slot in the collapsible frame. The rear support member can be thereby moved backward to be collapsed. Additionally, a support leg installed under the collapsible frame can be used to change the inclination angle of the seat back support member and collapse the rocking chair. Apart from that, the transformation in the seat types dependent on the practical need can be made feasible through this advanced design.
The art according to the present invention lies in the provision of the improved structure. The structure comprises a base frame support member with two flanks bent upward in the arched shape, a tray pivotally mounted between the two opposite front support members with front ends mounted in the positioning part, a rear support member mounted on the under rear of the positioning part. The invention is characterized in that:
The top edge of the positioning part is in a form of arc-shaped portion with an arc-shaped slot thereon. A plurality of blocking slots on the arched flank top of the positioning part lie beneath the arc-shaped slot. The top portion of the positioning part takes the form of a sliding slot accommodated with an arc-shaped slider member and the bottom end of the seat back support member is inserted into an encasing tube installed on the slider member.
A long slot adapted for use in the middle of the seat back support member is past through by a shaft installed on an encasing block member located outside the long slot. The seat back support member further comprises a hook member consisted of a hook portion catching the shaft, a vaulted handle with its two wings' ends mounted on the block member and a hook plate on the bottom of the hook member. The hook plate has a long through hole being past through by a shaft and a spring member on the bottom thereof with one end catching the shaft of the positioning part;
The collapsible frame installed on the rear end of the base frame support member comprises an insertion slot under the front thereof, an accommodation slot, and a separator member coming between the insertion slot and the accommodation slot. The base frame support member is inserted into the insertion slot and the tail end of a support leg is pivoted into the accommodation slot.
The collapsible device mounted on the tail end of the back support member comprises two joint block members on both sides thereof. The front ends of the joint block members take the form of a front encasing tube, and the opposite inner sides of the same take the form of a side encasing tube. The back support member passes through and fixedly connected to the front encasing tube and an insertion joint member passes into the side encasing tube of the joint block members. Two transverse slots are mounted opposite beside the middle of the insertion joint member. The pivoted joint encasing tube comprising the push member is pivoted to the transverse slot by a shaft. One end of the joint member is fixedly pivoted to the shaft, the other end fixedly mounting to the fixation block member located on the insertion joint member. The fixation block member further comprises two opposite transverse slots and a spring member. The shaft passes through the joint block members, insertion joint member, and then into the transverse slots in the fixation block member. The end of the spring member is pressed by the flank of the shaft.
The present invention is also characterized in that:
The support leg is pivoted into the accommodation slot in the collapsible frame and the end of the same takes the form of an arc slot. The flank of the support leg takes the form of an arched breach. The area covered by the arched breach takes the form of a resilient member comprising a protrusion point being matched and fixed into a fixation depression slot on the end of a cut slot installed on the inner side of the accommodation slot.
The present invention is still characterized in that:
An impedance block member is mounted on the inner of the rear on the collapsible frame and located in an arc slot formed by the rear of the support leg. In addition, a transversely stretched track is set on the inner side of the upper of the collapsible frame and a through slot is cut through and along the track in the purpose of reducing the material cost.
For the full comprehension of the objectives, shape characteristics, and function according to the present invention, it will be further described accompanied with the attached illustrations.


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