Patent · US Expired

Protective hood for grinding machines, particularly angle grinders, and suitable fastening receptacle for the latter

US5005321A · kind A · utility

43Cited by

1References

18Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Walter Barth · Leinfelden, DE
Erich Borst · Echterdingen, DE
Winfried Helm · Echterdingen, DE
Manfred Stabler · Echterdingen, DE

Key dates

Filing date	Apr 28, 1989
Grant date	Apr 9, 1991
Priority date	—
Expiry date	Apr 28, 2009

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB24B55/052
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A protective hood assembly for a grinding machine comprising a protective hood having a predetermined size corresponding to the predetermined diameter of the grinding disc; a fastening receptacle attachable to the grinding machine housing and having a shoulder for receiving the protective hood; and a member for securing the protective hood on the shoulder and including a locking portion, the shoulder of the fastening receptacle having an opening for receiving the locking portion upon fastening of the securing member on the shoulder, at least one of shape, arrangement, number, and size of the locking portion and the opening corresponding to the locking portion, being selected in accordance with the predetermined size of the protective hood in such a way as to prevent mounting on the fastening receptacle protective hoods having a size exceeding the predetermined size of the protective hood.

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