公开(公告)号：US07802770B2

公开(公告)日：2010-09-28

申请号：US12767355

申请日：2010-04-26

Applicant: John E. Field, Jr.

Inventor： John E. Field, Jr.

IPC: F16M11/00

CPC classification number: A63B29/024 ,  Y10S248/925

Abstract: A climbing cam having opposed asymmetrically sized cam members to eliminate the interference that limits the expansion range of climbing aids of the cam type. An optional cam member provides an opposing force to assist in maintaining the placement of the cam in the rock.

Abstract translation: 具有相对不对称尺寸的凸轮构件的攀爬凸轮以消除限制凸轮类型的爬升辅助装置的扩展范围的干扰。 可选的凸轮构件提供相反的力以帮助保持凸轮在岩石中的放置。

公开(公告)号：US07740223B2

公开(公告)日：2010-06-22

申请号：US12361966

申请日：2009-01-29

Applicant: John E. Field, Jr.

Inventor： John E. Field, Jr.

IPC: F16M11/00

CPC classification number: A63B29/024 ,  Y10S248/925

Abstract: A climbing cam having opposed asymmetrically sized cam members to eliminate the interference that limits the expansion range of climbing aids of the cam type. An optional cam member provides an opposing force to assist in maintaining the placement of the cam in the rock.