초록

A trolley folding assembly includes a driving device and a driven device. A person is able to fold the whole trolley with only one hand by first pressing a safety switch and then pulling a driving rod received within a link of the driving device.

대표청구항 ▼

[ What is claimed is:] [1.] A folding assembly for a trolley comprising:a driving device having:a cover provided with an inner shell and an outer shell securely connected with said inner shell and having an extension integrally formed therein;a supporting rod securely received between said inner she

[ What is claimed is:] [1.] A folding assembly for a trolley comprising:a driving device having:a cover provided with an inner shell and an outer shell securely connected with said inner shell and having an extension integrally formed therein;a supporting rod securely received between said inner shell and said outer shell;a safety switch pivotally received within said cover and having a protrusion integrally formed therein;a link pivotally received within said cover and securely connected with said safety switch;a cable having a first end securely attached to said link;a driving rod pivotally received within said cover and securely connected with said link; anda spring securely received between said protrusion of said safety switch and said extension of said outer shell, anda driven device having:a connecting seat having defined therein a first hole through which said supporting rod is securely received;a resilient member securely received within said connecting seat;a receiving seat having defined therein a second hole through which second support is received, a recess and an opening in which a distal end of said supporting rod is received; anda block securely abutted by an end of said resilient member and securely engaged with a second end of said cable and having an extending portion formed therewith and movably received within said recess of said receiving seat.