Shaft coupling for garden tools

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Description

FIG. 1 is a bottom plan view of a shaft coupling for garden tools showing our new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevation of the design; and

FIG. 5 is a front elevation thereof.

Referenced Cited
U.S. Patent Documents
2536309 January 1951 Rackliffe
2672924 March 1954 Anthes
3004362 October 1961 Day
3485520 December 1969 Alexander
3545551 December 1970 Niemeyer
Foreign Patent Documents
424412 February 1935 GBX
Patent History
Patent number: D250508
Type: Grant
Filed: Dec 15, 1976
Date of Patent: Dec 12, 1978
Assignee: Gardena kress & Kastner GmbH
Inventors: Franco Clivio (Ulm), Dieter Raffler (Ulm)
Primary Examiner: Bernard Ansher
Attorney: Michael F. Petock
Application Number: 5/750,763
Classifications
Current U.S. Class: D 8/1
International Classification: D0801;