Games using tangible projectile – Billiards or pool – Table or gameboard
Patent
1998-12-10
2000-08-15
Chapman, Jeannete
Games using tangible projectile
Billiards or pool
Table or gameboard
473160, 473 4, 473 11, 10814411, A47C 1762
Patent
active
061028088
ABSTRACT:
A height-adjustable billiard table includes a table body and legs. The table body has a bottom portion. Securing plates are disposed at four corners of the bottom portion and have respective support screw rods secured thereto. Each support screw rod has a gear in the form of an umbrella disposed at a top end thereof. The legs have screw rod seats at top ends thereof for receiving the support screw rods that connect the securing plates to the top ends of the legs. A transmission shaft having opposed worms provided at two opposite ends thereof is disposed at the bottom portion of the table body to extend in a longitudinal direction. Two worm shafts are disposed at front and rear ends of the bottom portion of the table body. The worm shafts are transverse to the transmission shaft and parallel to each other. Each worm shaft engages the respective one of the worms on the transmission shaft by means of worm gears, and has two gears in the form of an umbrella mounted at both ends thereof to engage the corresponding gears on the support screw rods. When the transmission shaft rotates, it drives the support screw rods synchronously to achieve synchronous and level adjustment of the height of the table body to suit users of different heights.
REFERENCES:
patent: 1736316 (1929-11-01), Lasting
patent: 2334540 (1943-11-01), Buffham
patent: 3170694 (1965-02-01), Dolce
patent: 4615279 (1986-10-01), De La Haye
patent: 4711184 (1987-12-01), Wallin et al.
patent: 5241914 (1993-09-01), Korb
Aryanpour Mitra
Chapman Jeannete
Wan Chao Wood Industrial Co., Ltd.
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