Patent ID: 8294815
Filing Date: 2012-10-23
Classification: F16M,G03B

Abstract:
1. A camera support device comprising: a first rotating member to which an imaging device is fixed; a second rotating member that has a first arm portion and a second arm portion interposing the first rotating member therebetween and supports the first rotating member to be able to be turned by the first arm portion and the second arm portion; a support member that is interposed between the first arm portion and the second arm portion and supports the second rotating member to be able to turn; an operation member that changes a distance between the first arm portion and the second arm portion; a first engagement portion that is formed by a first serration formed on a first contact surface of at least one of the first arm portion and the second arm portion and the first rotating member; a second engagement portion that is formed by a second serration formed on a second contact surface of at least one of the first arm portion and the second arm portion and the support member and is set to have an engagement depth that is different from that of the first engagement portion; a biasing member that allows the first arm portion and the second arm portion to be separated from each other by biasing at least one of the first arm portion and the second arm portion; wherein the first engagement portion has the engagement depth that is greater than that of the second engagement portion; wherein the first serrations of the first engagement portion have grooves that are deeper than that of the second serration of the second engagement portion; wherein the first engagement portion is formed by the first serration formed on contact surface of the first arm portion and the first rotating member, wherein the second engagement portion is formed by the second serration formed on a contact surface of the first arm portion and the support member, and wherein the second arm portion is connected to the first rotating member and the support member to be able to respectively turn.