Expandable table arrangement and the like, especially suited for use in recreational vehicles
A table or similar structure is provided having an expandable surface area arrangement where the usable or working surface area is retractable into and out of a housing along a curvilinear path that includes both horizontal and vertical components and wherein weight compensating structure is provided to offset the impact of vertical movement of the surface area. The usable surface is formed from an array of adjacent panels connected by a backing web which allows them to lie flush together when the surface area is retracted for use and to separate as needed to follow the curvilinear path when retracted into the housing for storage. The extent of movement into and out of the housing is variable according to the amount of surface area required in a given instance. When implemented into a dining table, for example, vertical support legs for one end of the table can be attached to the end panel of the surface area which is first withdrawn from the housing. The panel are supported by telescopic guide rails which retract into and out of the housing coincident with the movement of the panels, but to which all of the panels are not fixed at all times. The housing can include an opening to allow debris to be removed from the panels even when retracted into the housing.
1. An expandable surface apparatus for use in a confined area, comprising:
a movable portion,
a housing with an opening for receiving at least part of the movable portion as the movable portion is retracted into or withdrawn out of the housing,
a surface area on the movable portion formed from a plurality of panels movably connected to each other,
a guide within the housing for defining the movement of the panels within the housing, that guide causing the panels to change direction of motion as the panels are moved within at least a portion of the housing, and
biasing means connected to the movable portion for urging the panels toward motion out of the housing,
wherein the movable portion includes a substantially horizontal guide means underlaying the surface area and that guide means is retractable into the housing when the movable portion is moved into the housing at least in part, and
wherein the guide means is a pair of telescopically slideable roller bearing rails underlaying the surface area adjacent the sides of the surface area.
2. An expandable surface apparatus for use in a confined area, comprising:
a movable portion,
a housing with an opening for receiving at least part of the movable portion as the movable portion is retracted into or withdrawn out of the housing,
a surface area on the movable portion formed from a plurality of panels movably connected to each other,
a guide within the housing for defining the movement of the panels within the housing, that guide causing the panels to change direction of motion as the panels are moved within at least a portion of the housing, and
biasing means connected to the movable portion for urging the panels toward motion out of the housing,
wherein the biasing means includes a thrust member for engaging a panel of the surface area and at least one spring member connected to the thrust member and to the housing,
wherein the opening is at the front of the housing and the guide defines the movement of at least one of the panels initially toward the back of the housing and then about a curve to be in a vertical orientation with respect to the housing as the surface area is retracted into the housing, and
wherein the biasing means includes a tray member for receiving an edge of at least one of the panels, and includes at least one resilient element connected between the tray member and the housing for biasing the tray member vertically along the guide toward the opening.
3. The apparatus according to claim 2 wherein the guide defines movement of at least one of the panels downward within the housing and the resilient member exerts a force to counterbalance at least in part the weight of at least one panel so as to ease the withdrawal of the movable member from the housing.
4. The apparatus according to claim 3 wherein the panels are movably connected via a web material which serves to hinge the panels into close connection with each other when the surface area is withdrawn from the housing and permits the panels to separate sufficiently from each other to move along the guide when the panels are within the housing.
5. The apparatus according to claim 4 wherein the housing includes a closable opening therein which permits access to portions of the panels and guide for facilitating cleaning thereof and removal of debris.