公开(公告)号：US4294405A

公开(公告)日：1981-10-13

申请号：US126335

申请日：1980-03-03

Applicant: Lawrence M. Ross

Inventor： Lawrence M. Ross

IPC: B60B39/12 ,  E01B23/00

CPC classification number: B60B39/12 ,  Y10S383/907 ,  Y10T428/239

Abstract: A traction device for use with automobiles which comprises a wedge shaped bag filled with sand or a sand like material which when placed under the wheels of a car provides increased traction so that the car can be moved from a slippery place.

Abstract translation: 一种用于汽车的牵引装置，其包括填充有沙子或类似沙子的材料的楔形袋，当被放置在轿厢的车轮下方时，提供增加的牵引力，使得轿厢可以从滑溜的位置移动。

公开(公告)号：US5009216A

公开(公告)日：1991-04-23

申请号：US566840

申请日：1990-08-13

Applicant: Lawrence M. Ross

Inventor： Lawrence M. Ross

IPC: F41B5/14

CPC classification number: F41B5/14

Abstract: A draw stopping device comprising a plurality of straps which are attachable to a bow on one end to an archer's wrist on the other end.

Abstract translation: 一种牵引停止装置，包括多个带子，所述绑带在另一端可连接到一端的弓形物到弓箭手的手腕上。