Retractable handle

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, and
• the lateral click blocks inserted in the lateral click grooves.