Retractable cable combined with smartphone/tablet holder

摘要

A retractable cable combined with a smartphone/tablet holder contains: a roller and a removable support connected with the roller, and the roller includes a casing, a rotatable disc, a spiral torsion spring, and a data transfer cable. The casing includes a first cover and a second cover which are connected together to define an accommodation space so as to house the rotatable disc in which the spiral torsion spring is fixed, and the data transfer cable inserts through and rolls on the rotatable disc. A USB plug of the data transfer cable is accommodated beside a connecting piece of the first cover, and a terminal portion of the data transfer cable is housed on a second joining sheet of the second cover. Preferably, the terminal portion of the data transfer cable matches with a USB slot of a smartphone or a tablet.

主权项

1. A retractable cable combined with a smartphone/tablet holder comprising: a roller and a removable support connected with the roller, and the roller including a casing, a rotatable disc, a spiral torsion spring, and a data transfer cable; wherein
the removable support includes a first fixing plate, a second fixing plate, a connection plate, and a plurality of shafts; the casing includes a first cover and a second cover which are connected together to define an accommodation space so as to house the rotatable disc in which the spiral torsion spring is fixed, and the data transfer cable inserts through and rolls on the rotatable disc; the first cover includes a central column disposed on a central position and inserting through the rotatable disc, a slot defined on a central position of the central column, a connecting piece mounted on a front end thereof, and a connection block arranged on a rear end thereof; the connecting piece has plural first coupling pegs arranged on a peripheral side thereof, the connection block has plural orifices defined on a peripheral side thereof, and a first cap is formed on a bottom thereof and has a first recess formed on a bottom thereof; the second cover includes a second cap formed on a top thereof and having a second recess defined on a front end thereof, plural apertures defined on a front end thereof, a first joining sheet, a second joining sheet, a receiving space defined between the first joining sheet and the second joining sheet, a dovetail groove formed on a rear end of the first joining sheet so as to accommodate a dovetail protrusion, and plural second coupling pegs arranged on a distal end of each of the first joining sheet and the second joining sheet; the rotatable disc includes a cylindrical body, a hollow housing groove defined therein, a through hole formed on a central position thereof, a first trough defined on a first side of the cylindrical body, a second trough formed on a second side of the cylindrical body, and a third trough arranged beside the first trough; the spiral torsion spring is housed in the housing groove and includes a first segment retained on the slot of the central column, a second segment engaged on the third trough of the cylindrical body; a first end of the data transfer cable extends out of the first recess through the cylindrical body and the second trough, and a second end of the data transfer cable extends out of the second recess via the first trough and the cylindrical body, such that the data transfer cable rolls on the rotatable disc; the data transfer cable includes a USB plug fixed on the second end thereof and includes a terminal portion secured on the first end thereof; the removable support includes the dovetail protrusion disposed on a middle portion of a front end of the connection plate, a first trench defined on a first side thereof and rotatably connecting with the first fixing plate by using the plurality of shafts, a second trench formed on a second side thereof and rotatably connecting with the second fixing plate by way of the plurality of shafts, wherein the first fixing plate has a first rotary tab formed on a rear end thereof and has a first notch defined on a front end thereof, and the rotary tab has a first opening defined thereon; the second fixing plate has a second rotary tab formed on a rear end thereof and has a second notch defined on a front end thereof, and the second rotary tab has a second opening defined thereon.