Dual component keyboard unit

Description

FIG. 1 is a reduced top plan view of the dual component keyboard unit showing our new design;

FIG. 2 is a front elevational view of the largest keyboard shown separately for clarity of illustration only;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof opposite that shown in FIG. 4;

FIG. 6 is a front top and side perspective view thereof;

FIG. 7 is a front elevational view of the smallest keyboard shown separately for clarity of illustration only;

FIG. 8 is a rear elevational view thereof;

FIG. 9 is a side elevational view thereof;

FIG. 10 is a side elevational view thereof opposite that shown in FIG. 9; and,

FIG. 11 is a front top and side perspective view thereof.

Claims

The ornamental design for a dual component keyboard unit, as shown and described.

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Inventors:	Marquardt; Kai-Uwe (Rietheim-Weilheim, DE), Sachs; Ekkehard (Spaichingen, DE), Sauer; Ralf (Wurmlingen, DE)
Assignee:	Marquardt GmbH (Rietheim-Weilheim) N/A)
Appl. No.:	07/757,435
Filed:	September 10, 1991

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Foreign Application Priority Data

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Mar 13, 1991 [DE]			M9101962.1

Current U.S. Class:	D14/393
Field of Search:	;D14/100,106,101,115 ;D18/1,7,11,12 ;235/145A,145R ;340/700,706 ;341/22,23 ;364/708,709.04 ;361/390,394 ;400/486,488,489,82

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References Cited [Referenced By]

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U.S. Patent Documents

D291574	August 1987	Kim
D309296	July 1990	Kohler
D323816	February 1992	Buchin
D323817	February 1992	Buchin
5067834	November 1991	Szmanda et al.
5122786	June 1992	Rader

Foreign Patent Documents

	0055220		Jun 1982		EP
	577708		Jun 1933		DE2
	1255117		Nov 1967		DE
	2218065		Oct 1973		DE
	020620		Sep 1991		WO

Other References

"Die ergonomische Tastatur. Konsequent in Richtung Zukunft gedacht"; (Marquardt); [Ergonomic Keyboard. Responsibility Conceived toward the Future]; 1987. . "Ergonomische tastaturgestaltung"; (Fraunhofer-Institut); [Ergonomic Keyboard Configuration]; (undated). . "Report"; (STR), Technische Zeitschrift der Standard Telephon und Radio AG, vol. 7, No. 1, Jun. 1986..

Primary Examiner: Burke; Wallace R.
Assistant Examiner: Nunn; Freda S.
Attorney, Agent or Firm: Spencer, Frank & Schneider