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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
JOHN ZINK COMPANY L L C	11920 EAST APACHE TULSA OK 74121

International Classification(s)

• B01D:SEPARATION

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Johnson, Bruce Carlyle	Broken Arrow, US	2	26
# of filed Patents : 2 Total Citations : 26
Petersen, Nathan Steneck	Tulsa, US	2	26
# of filed Patents : 2 Total Citations : 26

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Patent Citation Ranking

• 23 Citation Count
• B01D Class

• 82.19 % this patent is cited more than
• 16 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent Application No: 2017/0004,943

ACTUATOR FOR A VACUUM SWITCH TUBE OF A SWITCHING ASSEMBLY OF A TAP CHANGER

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Abstract

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An actuator (10) for actuating a vacuum switch tube (11) comprising a fixed contact (12) and a movable contact (13), comprises

a bearing plate (14) that can be fastened to the fixed contact (12);a main spring (15) having a first end (151) with which it can engage the movable contact, and a second end (152);a return spring (16) having a first end (161) with which it engages at the bearing plate, and a second end (162);an actuating lever (17) having a first engagement area (171) at which the main spring (15) engages with its second end (152), and having a second engagement area (172) at which the return spring (16) engages with its second end (162);whereinthe actuating lever (17) is swivelably mounted on the bearing plate (14) such that the actuating lever (17) can assume a first end position in which the main spring (15) is at least partially relaxed and the return spring (16) is tensioned and in which, in particular, the movable contact (13) is disconnected from the fixed contact (14), and a second end position in which the return spring (16) is at least partially relaxed and the main spring (15) is tensioned and in which, in particular, the movable contact (13) is pressed against the fixed contact (14).

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Description

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Claims

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