Combined cable channel cutting tool and removable cable guide for firewall lead-in

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Description

FIG. 1 is a perspective view of one side of the combined cable channel cutting tool and removable cable guide for firewall lead-in showing our design;

FIG. 2 is a perspective view of the other side of the combined cable channel cutting tool and removed cable guide for firewall lead-in;

FIG. 3 is an elevational view of one side of the combined cable channel cutting tool and removable cable guide for firewall lead-in; and

FIG. 4 is an end view of the combined cable channel cutting tool and removable cable guide for firewall lead-in.

Referenced Cited
U.S. Patent Documents
247207 September 1881 Mershon
D249223 September 5, 1978 Holden
D257211 October 7, 1980 Loof et al.
2805461 September 1957 Webb
3208542 September 1965 Fisher
3240233 March 1966 Johnston
3855413 December 1974 Baillie
4245445 January 20, 1981 Heinen
4302917 December 1, 1981 Fermvik et al.
Patent History
Patent number: D270031
Type: Grant
Filed: Sep 5, 1980
Date of Patent: Aug 9, 1983
Assignee: Telefonaktiebolaget L M Ericsson (Stockholm)
Inventors: Bengt E. Legerius (Nykoping), Hans W. Siebert (Oxelosund)
Primary Examiner: Susan J. Lucas
Law Firm: Hane, Roberts, Spiecens & Cohen
Application Number: 6/184,230
Classifications
Current U.S. Class: D 8/14; D13/13
International Classification: D0805; D133;