CA2178758A1 - Contact block having convertible normally open or normally closed electrical contacts - Google Patents

Contact block having convertible normally open or normally closed electrical contacts

Info

Publication number
CA2178758A1
CA2178758A1 CA002178758A CA2178758A CA2178758A1 CA 2178758 A1 CA2178758 A1 CA 2178758A1 CA 002178758 A CA002178758 A CA 002178758A CA 2178758 A CA2178758 A CA 2178758A CA 2178758 A1 CA2178758 A1 CA 2178758A1
Authority
CA
Canada
Prior art keywords
contact
pair
convertible
actuator
movable contacts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002178758A
Other languages
French (fr)
Other versions
CA2178758C (en
Inventor
Stanley H. Edwards, Jr.
Richard Marshall
Tony Ray Robbins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric USA Inc
Original Assignee
Stanley H. Edwards, Jr.
Richard Marshall
Tony Ray Robbins
Square D Company
Square D. Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/322,631 external-priority patent/US5532441A/en
Application filed by Stanley H. Edwards, Jr., Richard Marshall, Tony Ray Robbins, Square D Company, Square D. Company filed Critical Stanley H. Edwards, Jr.
Publication of CA2178758A1 publication Critical patent/CA2178758A1/en
Application granted granted Critical
Publication of CA2178758C publication Critical patent/CA2178758C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

The present invention defines a convertible elec-trical contact. The convertible contact comprises two pairs of movable contacts attached to an actuator which is supported by and enclosed within a housing. The ac-tuator is biased to a first position and is slidably mov-able to a second position in response to a force applied to the actuator. The movable contacts are attached to the distal ends of a flexible member which is supported at its approximate midpoint by the actuator. The mov-able contacts are also movable between a first position and a second position as the actuator is moved. A pair of contact cavities are defined by the housing such that the one contact cavity lies on each side of the actua-tor and the flexible member and movable contacts are contained within the cavities. The housing defines a first pair of access apertures associated with the first position of the movable contacts and a second pair of access apertures associated with the second position of the movable contacts. A convertible stationary contact module which includes a pair of bussing conductors, each with a stationary contact attached at its end, is employed to complete the electrical contact. By selec-tively placing the bussing conductors and then asso-ciated stationary contacts in either the first or second pair of access apertures, either a normally closed or a normally open electrical contact can be chosen. The contact module is attached to the outside of the hous-ing by a mounting screw.
CA002178758A 1994-10-13 1995-10-13 Contact block having convertible normally open or normally closed electrical contacts Expired - Lifetime CA2178758C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/322,631 US5532441A (en) 1994-10-13 1994-10-13 Contact block having convertible normally open or normally closed electrical contact
US08/322,631 1994-10-13
PCT/US1995/012833 WO1996012290A1 (en) 1994-10-13 1995-10-13 Contact block having convertible normally open or normally closed electrical contacts

Publications (2)

Publication Number Publication Date
CA2178758A1 true CA2178758A1 (en) 1996-04-25
CA2178758C CA2178758C (en) 2006-04-25

Family

ID=36251917

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002178758A Expired - Lifetime CA2178758C (en) 1994-10-13 1995-10-13 Contact block having convertible normally open or normally closed electrical contacts

Country Status (1)

Country Link
CA (1) CA2178758C (en)

Also Published As

Publication number Publication date
CA2178758C (en) 2006-04-25

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20151013