Patent ID: 6295698
Filing Date: 2001-10-02
Classification: A45C,B62B,Y10T

Abstract:
A retractable handle assembly comprising:a grip device, a push button, a U-shaped rod, two driven rods, two inner pipes, two middle pipes, two outer pipes, an upper seat, a lower seat, and a first and a second positioning devices,the upper seat having two downward sleeves and two oblong apertures,each of the downward sleeves receiving an upper end of one of the outer pipes,the lower seat having two upward sleeves and two oblong holes,each of the upward sleeves receiving a lower end of one of the outer pipes,the push button enclosing a center portion of the U-shaped rod,the grip device having a first grip casing and a second grip casing engaging with the first grip casing,the U-shaped rod disposed in the grip device,a coiled spring disposed on a bottom of the push button,the U-shaped rod having two end portions,an upper end of each said driven rod engaging with the respective end portion of the U-shaped rod,each said driven rod inserted in the inner pipe,each said inner pipe inserted in the middle pipe,each said middle pipe inserted in the outer pipe,an upper end of each said inner pipe inserted in the grip device,each said middle pipe passing through the respective oblong aperture of the upper seat,the first positioning device disposed on a bottom of the inner pipe,the second positioning device disposed on a bottom of the middle pipe,each of the first and the second positioning devices having a mount, a cover plate engaging with the mount, a hollow brake block disposed between the mount and the cover plate, and a positioning block,the mount having a bottom recess, a guide groove, two lateral click blocks, and a positioning groove,each of the lateral click blocks having an upper camber edge,the hollow brake block having two bevel grooves,the positioning block having two lateral posts,the cover plate having a lower click hook and two lateral click grooves matching the lateral click blocks,the hollow brake block inserted in the guide groove of the mount,a compression spring disposed on a bottom of the hollow brake block,the positioning block inserted in the positioning groove of the mount,the lateral posts inserted in the bevel groove of the hollow brake block,the lower click hook inserted in the bottom recess of the mount, andthe lateral click blocks inserted in the lateral click grooves.