Replacement of rotatable cutting discs of a power tool

US11440220B2 · kind B2 · utility

Assignee

• BLACK & DECKER INC. · US

Inventors

• Arthur LAUER · Frankfurt, DE
• Robin Maerte · Idstein, DE
• Isabell Oeffner · Idstein, DE
• Fabian Riedl · Frankfurt, DE
• Benjamin Schmidt · Hofheim, DE
• Stefan Sell · Magstadt, DE

Key dates

• Filing date: Nov 21, 2019
• Grant date: Sep 13, 2022
• Expiry date: Nov 21, 2039

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B23D59/006
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A power tool includes a rotatable support arrangement for supporting at least one cutting disc. An upper shroud member and a lower shroud member cooperate to define a volume in which the at least one cutting disc can be supported. The rotatable support arrangement can be coupled to the upper shroud member such that movement of the upper shroud member towards the lower shroud member causes the cutting disc to protrude through an opening in the lower shroud member. A biasing member urges the upper shroud member and the lower shroud member away from each other. A limiting mechanism limits the range of movement of the upper shroud member relative to the lower shroud member under action of the biasing member. The limiting mechanism can be disengaged by opening the upper shroud member via at least one hinge coupling.