公开(公告)号：US3805443A

公开(公告)日：1974-04-23

申请号：US32292173

申请日：1973-01-12

Applicant: DUNCAN D

Inventor： DUNCAN D

IPC: A63H1/30 ,  A63H27/12

CPC classification number: A63H1/30

Abstract: A yo yo with maximum weight distributed in the outer periphery of the yo yo body, removable side caps, and a reinforcing axle spool for joining the body halves together.

Abstract translation: yo哟，最大重量分布在哟哟身体的外围，可拆卸的侧盖，以及用于将身体两半连接在一起的加强轴线轴。

公开(公告)号：US3713299A

公开(公告)日：1973-01-30

申请号：US3713299D

申请日：1969-10-24

Applicant: DUNCAN D

Inventor： DUNCAN D

IPC: B63C11/30

CPC classification number: B63C11/30 ,  Y10S224/934

Abstract: A weight belt for underwater divers comprising a plurality of connected elongated substantially circular in cross-section tubular compartments for containing lead weights, the compartments of the belt are formed of a flexible high strength cloth type of material, the length of the compartments are to extend in front of one hip of the wearer and around the back of the wearer and to the front of the other hip, the ends of the belt are joined together by a buckle assembly including a strap on one end and a safety type buckle on the other end.

Abstract translation: 一种用于水下潜水员的重量带，包括多个连接的细长的基本圆形的横截面管状隔室，用于容纳铅重，带的隔室由柔性高强度布类型的材料形成，隔间的长度应延伸 在佩戴者的一个臀部和穿戴者的背部周围以及另一个臀部的前面之前，皮带的端部通过一个带扣组件连接在一起，所述带扣组件包括一端的带子和另一端的安全型带扣 结束。