Rebar tying device comprising a wire locking mechanism and a control unit for controlling the wire locking mechanism

US12071265B2 · kind B2 · utility

Assignee

• HUSQVARNA AB · SE

Inventors

• Andreas Jonsson · Ljung, SE
• Robert Lerbro · Floda, SE
• Magnus Karlsson · Mölnlycke, SE
• Lennart Gustafsson · Kalmar, SE
• Torkel Danielsson · Nybro, SE

Key dates

• Filing date: Oct 26, 2020
• Grant date: Aug 27, 2024
• Expiry date: May 27, 2041

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E04G21/123
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A wire locking mechanism (200, 300, 400, 500, 600, 700) for a reinforcement bar, rebar, wire tying device (100), the locking mechanism comprising (200, 300, 400, 500, 600, 700) a holding member (210, 310) and a counter-holding member (220, 320) arranged to engage respective and opposite sides of a wire (230) to releasably hold the wire (230) in a locking position, where a holding force exerted on the wire (230) by the holding member (210, 310) is normal to a holding plane (A2), wherein the holding member (210, 310) is supported on a first end of an excentre arm (240, 340), the excentre arm (240, 340) being rotatably supported on a first shaft (250, 350) to rotate (R1) about an excentre arm center of rotation (255, 355), wherein the holding member (210, 310) is arranged distanced (D) along a first axis (A1) from the excentre arm center of rotation (255, 355), the first axis (A1) forming an acute angle (A) with the holding plane (A2) when in the locking position.