Patent · US Active

Wall saw having a locking device

US11597117B2 · kind B2 · utility

0Cited by

7References

8Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Josef Schittl · Thüringen, AT
Bruno Werder · Gamprin, LI
Walter Nessler · Ludesch, AT

Key dates

Filing date	Nov 29, 2018
Grant date	Mar 7, 2023
Priority date	—
Expiry date	Nov 6, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB28D1/045
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Wall saw having a locking device (41). A saw blade flange (25) of the wall saw is adjustable by the locking device (41) between a locked state and an unlocked state, wherein, in the locked state, the saw blade flange (25) is connected to the drive spindle (33) for rotation therewith, and, in the unlocked state, is adjustable in relation to the drive spindle (33). In the unlocked state of the saw blade flange, the drive spindle is blocked in the direction of rotation of the saw blade and is designed to be rotatable about the axis of rotation in a counter direction directed counter to the direction of rotation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.