Foldable table

Claim 2

A foldable table comprising a pair of substantially symmetrical top sections each having substantially flat upper surface and an inner end, an outer end, and opposed sides, two pairs of vertically oriented legs each leg of each pair being pivotalLy connected adjacent its upper end to one of said top sections, a pair of spaced apart opposed coupling members each being pivotally connected with said top sections adjacent the respective inner ends thereof to thereby permit folding of said table between folded collapsed and unfolded extended positions, each coupling member having an elongate vertically extending slot therein, a plurality of elongate connecting links each having one end thereon pivotally connected with a coupling member and having the other end thereof pivotally connected to a leg structure, the upper surface of said top sections being disposed in substantially horizontal co-planar relation when the table is in the unfolded extended position, the inner ends of said top sections being swingable upwardly from horizontal relation into the folded collapsed position wherein said sections are disposed in substantially vertical parallel relation with said legs, links and coupling members being disposed between said sections, adjustable stop means connected with each of said coupling members, a plurality of elongate stabilizer bars each being pivotally connected adjacent one end thereof to one of said top sections, a pair of stop engaging elements each projecting through the slot in one coupling member and each pivotally connecting the ends of a pair of stabilizer bars together, said stop engaging members being vertically movable in the slots of the coupling members during folding and unfolding of said sections and engaging said stop means when the sections are in the unfolded extended horizontal position to limit movement of said sections in an unfolded direction.

Claim 3

The foldable table as defined in claim 1 wherein the pivotal connections of one section with said coupling members are spaced from the pivotal connections of the other section with said coupling members.

Claim 4

The foldable table as defined in claim 1 wherein each pair of legs are rigidly interconnected together, wherein each coupling member has a pair of said connecting links pivotally connected thereto, each top section, leg, connecting link and coupling member defining a parallelogram, located at each side of said table.

Claim 5

The foldable table as defined in claim 1 wherein said adjustable stop includes a pair of stop elements each being mounted on one of said coupling members and each being vertically shiftable relative to its associated coupling member.

Claim 6

The foldable table as defined in claim 1 wherein the legs of each pair are interconnected together intermediate their respective ends, a plurality of angulated castor support members each including a vertically extending portion and a horizontal portion projecting generally at right angular relation with respect thereto, the vertical position of each castor support member being telescopically connected with one of said legs and permitting revolving movement of each castor support about a vertical axis, the horizontal portion of each castor support member having a castor wheel pivotally mounted thereon, cooperating elements on each castor support member and each leg limiting revolving movement of castor support through an arc of approximately 90* between a first position wherein each castor wheel support member extends longitudinally of the table when the latter is in the unfolded extended condition, and a second position wherein said castor wheel supports extend laterally from the table but are positioned between the top sections when the latter are in the folded collapsed position.

Claim 7

A foldable table comprising: a pair of substantially symmetrical top sections each having a substantially flat upper surface and an inner end, an outer end, and opposed sides, a plurality of vertically oriented leg members pivotally connected adjacent their upper ends to one of said top sections, support means pivotally connected to said top sections adjacent the inner ends thereof in such a manner as to permit the folding of said table between an unfolded Position wherein said upper surfaces of said top sections are disposed in substantially horizontal, co-planar relation and a folded, collapsed position wherein said top sections are disposed in substantially vertical, parallel relation, an elongate castor support member of generally right angle shape each of said castor support members having an upwardly extending portion rotatably attached to one of said legs and horizontally extending portion projecting generally at a right angle with respect thereto, cooperating elements on each castor support member and each associated leg limiting revolving movement of each castor support member to an arc of approximately 90* between a first position wherein each castor support member extends longitudinally of the table when the latter is in the extended folded position, and a second position wherein each castor support member extends laterally from the table, but are positioned between the top sections when the latter are in the folded collapsed position, a castor wheel pivotally connected to said horizontal portion of each of said castor support members, an elongated foot member pivotally attached to each of said castor support members for swinging movement with respect thereto about a substantially horizontal axis between an extended, vertically oriented position and a collapsed, generally horizontal position, the length of each of said foot members beyond its point of attachment to one of said castor support members being such that said foot members project vertically downwardly beyond the lower surfaces of said castor wheels, whereby said foot members engage the floor and serve as stationary supports for said table with said castor wheels elevated above floor level when said foot members are swung to said vertically oriented positions.

Claim 8

A foldable table comprising: a pair of substantially symmetrical top sections each having a substantially flat upper surface and an inner end, an outer end, and opposed sides, a plurality of vertically oriented leg members pivotally connected adjacent their upper ends to one of said top sections, support means pivotally connected to said top sections adjacent the inner ends thereof in such a manner as to permit the folding of said table between an unfolded Position wherein said upper surfaces of said top sections are disposed in substantially horizontal, co-planar relation and a folded, collapsed position wherein said top sections are disposed in substantially vertical, parallel relation, an elongate castor support member of generally right angle shape each of said castor support members having an upwardly extending portion rotatably attached to one of said legs and horizontally extending portion projecting generally at a right angle with respect thereto, cooperating elements on each castor support member and each associated leg limiting revolving movement of each castor support member to an arc of approximately 90* between a first position wherein each castor support member extends longitudinally of the table when the latter is in the extended folded position, and a second position wherein each castor support member extends laterally from the table, but are positioned between the top sections when the latter are in the folded collapsed position, a castor wheel pivotally connected to said horizontal portion of each of said castor support members, an elongated foot member pivotally attached to each of said castor support members for swinging movement with respect thereto about a substantially horizontal axis between an extended, vertically oriented position and a collapsed, generally horizontal position, the length of each of said foot members beyond its point of attachment to one of said castor support members being such that said foot members project vertically downwardly beyond the lower surfaces of said castor wheels, whereby said foot members engage the floor and serve as stationary supports for said table with said castor wheels elevated above floor level when said foot members are swung to said vertically oriented positions.

Claim 9

A foldable table as defined in claim 7 wherein each of said foot members is of generally U-shaped cross sectional configuration and embraces said horizontal portion of one of said castor support members when swung to said collapsed position, said foot members being held in said collapsed position by frictional engagement with said horizontal portions of said castor support members.

Claim 10

The foldable table as defined in claim 6 wherein said cooperating elements for limiting revolving movement of each castor support member comprises pin and slot elements, one of said pin and slot elements on each leg and the other of said pin and slot elements on the upwardly extending portion of the associated castor support member.