Push button switch

- Illinois Tool Works Inc.
Description

FIG. 1 is a perspective view of a push button switch depicting my invention;

FIG. 2 is a side elevational view taken toward the right side of FIG. 1, the left side elevational being identical;

FIG. 3 is an end elevational view taken toward the left end in FIG. 1, the right end elevational view being identical;

FIG. 4 is a bottom plan view of a push button switch depicting my invention;

FIG. 5 is a top plan view of a preferred embodiment of a push button switch depicting my invention; and,

FIG. 6 is a top plan view of a push button switch depicting a second embodiment of my invention. All other views are the same as to first embodiment except for the top surface of the button.

Referenced Cited
U.S. Patent Documents
D294823 March 22, 1988 Holmes
D311727 October 30, 1990 Brandt
3508043 April 1970 Dellert
4080523 March 21, 1978 De Loisy
5004880 April 2, 1991 Koutaka
Foreign Patent Documents
3038946 1981 DEX
Other references
  • Series 920000 pushbutton switch on pp. 5-13 of Switchcraft catalog .RTM.1989. Pushbutton switches on p. D of Augat Alcoswitch catalog .RTM.1990. MLP series switches on p. D5 of Augat Alcoswitch catalog .RTM.1990. NKK JB15 series switches on p. 609 of Allied Electronics catalog .RTM.1990.
Patent History
Patent number: D340227
Type: Grant
Filed: Jun 9, 1992
Date of Patent: Oct 12, 1993
Assignee: Illinois Tool Works Inc. (Glenview, IL)
Inventor: Joseph J. Gierut (Glenview, IL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: J. Sincavage
Attorneys: Thomas W. Buckman, Donald J. Breh
Application Number: 7/895,870
Classifications
Current U.S. Class: Button Operated (D13/171)