Lectra has been granted a patent for a swivel knife holder assembly, comprising a shoulder screw, bobbin assembly, shell, stem, and core for cutting fabric material. The design includes features like a thrust bearing, spacer, and shock-absorbing member for improved functionality. GlobalData’s report on Lectra gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Lectra, Welding robots was a key innovation area identified from patents. Lectra's grant share as of January 2024 was 66%. Grant share is based on the ratio of number of grants to total number of patents.
Swivel knife holder assembly for cutting fabric material
The granted patent (Publication Number: US11872717B2) discloses a knife holder assembly designed to securely hold a knife for reciprocating motion. The assembly includes a shoulder screw, bobbin assembly, shell, stem, and core. The thrust bearing in the bobbin assembly is pre-loaded with a compressive force to exceed the inertial force associated with the knife's reciprocation. The shock-absorbing member in the assembly can be a wave washer, coil spring, polymer disc, rubber ring, leaf spring, or combinations thereof. The shell features a grease port for lubrication and a pin for securing the core.
Furthermore, the patent describes a swivel knife holder assembly for a reciprocating knife, featuring a shoulder screw, bobbin assembly, shell, stem, and core. The thrust bearing in the bobbin assembly is pre-loaded to absorb axial load, with the shock-absorbing member being a wave washer. The shell is designed to engage a rotating drive mechanism for swiveling about the axis. The core includes a transverse pin for version control, matching the angled corner of the knife. The shock-absorbing member can be a wave washer, coil spring, polymer disc, rubber ring, leaf spring, or combinations thereof, to absorb axial load and tolerances effectively. The assembly is designed for precise and controlled knife orientation during reciprocating motion.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
