The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 06, 2014
Filed:
Nov. 27, 2012
Applicant:
Heiwa Seiki Kogyo Co., Ltd., Saitama, JP;
Inventor:
Nobuyuki Hida, Saitama, JP;
Assignee:
Heiwa Seiki Kogyo Co., Ltd, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 17/00 (2006.01); H04N 5/225 (2006.01); F16M 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A tripod head comprising a resilient force adjusting mechanism which includes a rotating operation part, a cam which is coupled to the rotating operation part and slides with the rotation of the rotating operation part, and a cam follower coming into contact with cam surfaces of the cam, wherein the cam follower is supported by a counterbalancing mechanism, and the counterbalancing mechanism is configured in such a manner that the magnitude of a resilient force to be imparted on the spring is variable in accordance with a position where the cam follower comes into contact with the cam.