Revolvable clamp meter

Details Revolvable clamp meter Revolvable clamp meter

2008-11-20

2010-06-08

Nguyen, Ha Tran T (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With coupling means

C324S156000, C324S133000, C324S127000, C439S858000, C439S822000

Reexamination Certificate

active

07733080

ABSTRACT:
The clamp meter contains a revolving member configured between the meter's body member and jaw member. The revolving member is composed of a first base and a second base located on the interfacing sides of the body member and the jaw member, respectively. The first base and the second base are revolvably joined together by an axle extended axially from the body member into the jaw member via the first and second bases' aligned axle holes. The first base has at least a roller ball elastically embedded in a concave and exposed towards the second base. The roller ball would roll into one of a number of notches of the second base as the base and jaw members are rotated relative to each other, thereby creating a number of preset configurations of the included angle between the body and jaw members.

REFERENCES:
patent: 4476721 (1984-10-01), Hochreuther et al.
patent: 5349289 (1994-09-01), Shirai
patent: 5610512 (1997-03-01), Selcuk
patent: 6091237 (2000-07-01), Chen
patent: 6456060 (2002-09-01), Wiesemann
patent: 6975104 (2005-12-01), Gregorec, Jr.
patent: 7018247 (2006-03-01), Ranta et al.

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