Strap adjustment buckle for helmets

Description

FIG. 1 is a rear perspective view of a strap adjustment buckle for helmets showing my design, the straps being shown in broken lines for illustrative purposes only;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an end elevational view taken from the left side of FIG. 2;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof; and,

Claims

The ornamental design for a strap adjustment buckle for helmets, as shown and described.

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Inventors:	Keller; Steven C. (Island Lake, IL)
Assignee:	Illinois Tool Works Inc. (Glenview, IL)
Appl. No.:	07/877,159
Filed:	May 1, 1992

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Current U.S. Class:	D29/102; D11/218; D8/383
Field of Search:	;D8/383 ;2/421,425 ;24/68R,71.1,71.3,198,200,68E ;D11/218 ;D29/12,16

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References Cited [Referenced By]

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U.S. Patent Documents

D328044	July 1992	Murai
3279019	October 1966	Eubank et al.
4044400	August 1977	Lewicki et al.
4637099	January 1987	Kasai
4897888	February 1990	Broersma et al.
5077839	January 1992	Keller

Primary Examiner: Bullock; B. J.
Attorney, Agent or Firm: Buckman; T. W. O'Brien; J. P.