Patent ID: 6789556
Filing Date: 2004-09-14
Classification: A45B

Abstract:
An umbrella having a canopy and a frame, the frame comprising:a shank including a top hub, an upper ring and a lower ring, both in which upper and lowering are slidably sleeved on the shank; a plurality of ribs radially extended outwardly from the hub, each rib including an upper rib and a lower ribs; a plurality of corresponding spreaders, each spreader joined between the respective rib and the upper ring; a plurality of first pivot connecting member 20, each including a first bore 21, a rectangular first opening 23 at the other end opposite to the first bore, and a cylindrical first cross bar 24 at an outer side of the first opening 23; a plurality of first pivot mechanism 30, each including a first connector 31 having a bore 311 therein, a first through hole at an open end of the first connector, a U-shaped tunnel 32 on a central portion, and the other end of the first pivot mechanism having a channel 312 for passing through the lower rib, a lower end of the lower rib fixed to the canopy; a plurality of second pivot mechanism 10 at about middle portions of the spreaders 530, each second pivot mechanism 10 including an elongate first connector 11 having a first channel 110, an inverted U-shaped attachment member 12 having one end coupled to the first connector 11, an extension sleeve 13 coupled to the other end of the attachment member 12, the extension sleeve 13 including a second channel 130 being aligned with the first channel 110; a plurality of second pivot connecting member 40 each including a second bore 41 at one end for receiving and fixing an outer end of the upper rib 520, a rectangular second opening 42 at the other end thereof, a cylindrical second cross bar 43 at an outer side of the second opening 42, a third opening 44A provided beside an inner side of the second opening 42, and a U-shaped hooking member 44 nested within the third opening 44A; and a plurality of rods each including a first hook end 61 and a second hook end 62; wherein in assembly, each second cross bar 43 is anchored in the underside tunnel 120 for pivotably coupling the second pivot connecting member to the second pivot mechanism, each spreader 530 is passed through the first and second channels 110, 130 to receive in the first bore 21, each upper rib 520 is inserted into the second bore 41, each first cross bar 24 is passed through the first connector 31 and anchored in the U-shaped tunnel 32 for pivotably coupling the first pivot connecting member to the first pivot mechanism, and each of the lower rib is passed through the channel 312 and inserted into the bore 311, and the first hook ends 61 of each rod 60 is inserted through the U-shaped hook member 44 and the second hook end 62 is inserted through the hole of the first connector 31 respectively for fastening the second pivot connecting member and the first pivot mechanism together.