Title: Trimmer head for use in flexible line rotary trimmers
Application Number: 200480028855 Application Date: 2004.09.15
Publication Number: 1863453 Publication Date: 2006.11.15
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A01D34/416
Applicant(s) Name: Proulx Mfg Inc. Address:
Inventor(s) Name:
Attorney & Agent: zhang shegao song ziliang
Abstract:
     An improved flexible line rotary trimmer head (10) of the type adapted to be bumped against the ground to effect payout of predetermined lengths of cutting line and which is secured to the trimmer by a drive bolt (24) having a non-circular head portion (24a) and a depending shaft portion (24c). The trimmer head housing (14) defines a tubular portion (30) depending axially from the upper housing surface and having a particularly configured upper portion (36) disposed about and creating an interference fit with the head portion of said drive bolt and a lower portion (40) particularly configured to create an interference fit with the head portion (42) of the cam member (18) of the line feeding assembly. A slidable push retainer is carried by the shaft portion of the drive bolt adjacent the line feeding assembly for securing the assembly to the shaft portion of the drive bolt.
Time: 14