US 6,431,091 B1Granted

Foldable work table

OwnerChao Tang Changinventor

Life of this patent

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Abstract

A foldable worktable comprises a structural member including a central leaf, a left support board, and a parallel right support board, a hinged left drop-leaf a hinged right drop-leaf, a hinged first support including a first front leg, a first rear leg, and a first cross bar, a hinged second support including a second front leg, a second rear leg, and a second cross bar, a hinged first side bar, a hinged second side bar, a hinged inclined first strut, and a hinged inclined second strut. An extension table and rollers may be provided for increasing working space and movability.

Claims4

Dependent claims

A foldable worktable comprising:

a structural member including a central leaf, a left support board, and a right support board both extended down from said central leaf;
a left drop-leaf pivotably coupled to a left side of said central leaf by a first swingable joint;
a right drop-leaf pivotably coupled to a right side of said central leaf by a second swingable joint;
a first support including a first front leg, a first rear leg, and a first cross bar wherein a top of said first front leg is pivotably coupled to a left side of said left drop-leaf by a third swingable joint, a top of said first rear leg is pivotably coupled to said left side of said left drop-leaf by a fourth swingable joint, and said first cross bar is fixed between lower parts of said first front leg and said first rear leg;
a second support including a second front leg, a second rear leg and a second cross bar wherein a top of said second front leg is pivotably coupled to a right side of said right drop-leaf by a fifth swingable joint, a top of said second rear leg is pivotably coupled to said right side of said right drop-leaf by a sixth swingable joint, and said second cross bar is fixed between lower parts of said second front leg and said second rear leg;
a first side bar having an end pivotably coupled to a left side of a lower part of said left support board by a seventh swingable joint and said end threadedly secured to said first cross bar by a first fastener;
a second side bar having a first end pivotably coupled to a right side of a lower part of said right support board by an eighth swingable joint and a second end threadedly secured to said second cross bar by a second fastener;
an inclined first strut having a right end pivotably coupled to an upper part of said left support board by a ninth swingable joint and a left end fixed to an external end of said first side bar;
and
an inclined second strut having a left end pivotably coupled to an upper part of said right support board by a tenth swingable joint and a right end fixed to an external end of said second side bar.

7 more elements

Dependencies are inferred from the claim text.

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Abstract

A foldable worktable comprising:

a structural member including a central leaf, a left support board, and a right support board both extended down from said central leaf;
a left drop-leaf pivotably coupled to a left side of said central leaf by a first swingable joint;
a right drop-leaf pivotably coupled to a right side of said central leaf by a second swingable joint;
a first support including a first front leg, a first rear leg, and a first cross bar wherein a top of said first front leg is pivotably coupled to a left side of said left drop-leaf by a third swingable joint, a top of said first rear leg is pivotably coupled to said left side of said left drop-leaf by a fourth swingable joint, and said first cross bar is fixed between lower parts of said first front leg and said first rear leg;
a second support including a second front leg, a second rear leg and a second cross bar wherein a top of said second front leg is pivotably coupled to a right side of said right drop-leaf by a fifth swingable joint, a top of said second rear leg is pivotably coupled to said right side of said right drop-leaf by a sixth swingable joint, and said second cross bar is fixed between lower parts of said second front leg and said second rear leg;
a first side bar having an end pivotably coupled to a left side of a lower part of said left support board by a seventh swingable joint and said end threadedly secured to said first cross bar by a first fastener;
a second side bar having a first end pivotably coupled to a right side of a lower part of said right support board by an eighth swingable joint and a second end threadedly secured to said second cross bar by a second fastener;
an inclined first strut having a right end pivotably coupled to an upper part of said left support board by a ninth swingable joint and a left end fixed to an external end of said first side bar;
and
an inclined second strut having a left end pivotably coupled to an upper part of said right support board by a tenth swingable joint and a right end fixed to an external end of said second side bar.

7 more elements