Patent ID: 6009598
Filing Date: 2000-01-04
Classification: A45C,Y10S,Y10T

Abstract:
A rotatable drawbar device comprising:a main seat, a rotating seat, a control device, a ring device, a handle bar, an outer pipe, and an inner pipe,the main seat having an opening, an upper flange defining an oblong recess, a circular hole communicating with the oblong recess, two oblong holes communicating with the oblong recess, a rectangular hole, a T-shaped block, two axle holes, and a plurality of round holes,a push button inserted in the oblong recess,a block seat inserted in the rectangular hole,a cover panel disposed on the main seat to cover the block seat,the rotating seat inserted in the opening,the rotating seat having a pivot portion, a recess hole, and a plurality of radiating catch grooves,the pivot portion having a pivot hole,a pivot pin fastening the main seat and the rotating seat via the axle holes and the pivot hole,the push button having a center bar and two legs,each of the legs having a bottom bevel,the center bar inserted in the circular hole,the legs respectively inserted in the oblong holes,the block seat having a T-shaped recess, two lateral bevels, and two oblong recesses receiving two coiled springs,the T-shaped recess receiving the T-shaped block,each of the lateral bevels matching the respective bottom bevel,the handle bar having a neck portion, a hollow interior, two confining plates, and a receiving recess receiving the ring device,the ring device having a center hole, a bottom notch, and two lateral plates confined by the confining plates,the outer pipe having a first end, a second end, an end frame disposed on the first end, two first round apertures, and two second apertures,the second end of the outer pipe inserted in the rotating seat,the inner pipe having a circular aperture,the inner pipe inserted in the outer pipe,an upper end of the inner pipe inserted in the neck portion of the handle bar,the control device inserted in the inner pipe,the control device having an extended rod, a control box, a control block, two positioning devices, a cover plate, and a compression spring,the control box inserted in a lower portion of the inner pipe,the control box having a semicircular hole, an upper interior, two hollow posts, and a lower interior,an upper portion of the control block inserted in the upper interior,the control block having an upper groove and two pillars,each of the positioning devices having a column, and an oblong slot receiving the respective pillar,a lower portion of the control block and the positioning devices inserted in the lower interior,the cover plate having two solid posts engaging with the hollow posts,a lower portion of the extended rod inserted in the compression spring,the extended rod having a first hook end inserted in the bottom notch and a second hook end inserted in the semicircular hole and the upper groove.