Scaffold spring wedge

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Description

FIG. 1 is an isometric view of my new design of a spring wedge for use in builders scaffolding;

FIG. 2 is an elevational view from the left side of the spring wedge for use in builders scaffolding of FIG. 1;

FIG. 3 is a top view of the spring wedge for use in builders scaffolding of FIG. 1; and

FIG. 4 is a bottom view of the spring wedge for use in builders scaffolding of FIG. 1.

Referenced Cited
U.S. Patent Documents
D257557 November 25, 1980 Rex
3061340 October 1962 Fernberg et al.
4348128 September 7, 1982 Gostling
Patent History
Patent number: D270574
Type: Grant
Filed: Aug 20, 1981
Date of Patent: Sep 13, 1983
Assignee: Guest Keen & Nettlefolds (Aust) Limited (Melbourne)
Inventor: Allan N. Black (Cronulla)
Primary Examiner: A. Hugo Word
Law Firm: Merriam, Marshall & Bicknell
Application Number: 6/294,457
Classifications
Current U.S. Class: Element Of Attachment (13) (D25/68); D/8354; D/8366; D/8371
International Classification: D2599;