公开(公告)号：US20160177535A1

公开(公告)日：2016-06-23

申请号：US14575312

申请日：2014-12-18

申请人： 1128653 Ontario Ltd.

发明人： Benjamin Koop

IPC分类号： E02D29/14

CPC分类号： E02D29/1409 ,  E02D29/1445

摘要： A manhole cover assembly has an inner cylinder and an outer cylinder. An upper ratchet mechanism extends axially and circumferentially about an outwardly facing surface of the inner cylinder. A lower ratchet mechanism extends axially and circumferentially about an inwardly facing surface of the outer. The lower ratchet mechanism is configured to mesh with the upper ratchet mechanism at one of a plurality of distinct ratcheting positions. A cover plate is disposed on one of the inner cylinder and the outer cylinder. The cover plate is at a first elevation when the lower ratchet mechanism meshes with the upper ratchet mechanism at a first distinct ratcheting position. The cover plate is at a second elevation when the lower ratchet mechanism meshes with the upper ratchet mechanism at a second distinct ratcheting position. The first elevation is different from the second elevation.

摘要翻译： 井盖组件具有内筒和外筒。 上棘齿机构围绕内筒的面向外的表面轴向和周向延伸。 下棘轮机构围绕外面的面向内的表面轴向和周向延伸。 下棘轮机构构造成在多个不同的棘轮位置中的一个处与上棘轮机构啮合。 盖板设置在内筒和外筒之一上。 当下棘齿机构在第一不同的棘轮位置与上棘轮机构啮合时，盖板处于第一高度。 当下棘齿机构在第二不同的棘轮位置与上棘轮机构啮合时，盖板处于第二高度。 第一个高程与第二个高程不同。

公开(公告)号：US20190145078A1

公开(公告)日：2019-05-16

申请号：US16193934

申请日：2018-11-16

申请人： 1128653 Ontario Ltd.

发明人： Benjamin Koop

IPC分类号： E02D29/14

摘要： A manhole cover assembly has an inner cylinder and an outer cylinder. An upper ratchet mechanism extends axially and circumferentially about an outwardly facing surface of the inner cylinder. A lower ratchet mechanism extends axially and circumferentially about an inwardly facing surface of the outer. The lower ratchet mechanism is configured to mesh with the upper ratchet mechanism at one of a plurality of distinct ratcheting positions. A cover plate is disposed on one of the inner cylinder and the outer cylinder. The cover plate is at a first elevation when the lower ratchet mechanism meshes with the upper ratchet mechanism at a first distinct ratcheting position. The cover plate is at a second elevation when the lower ratchet mechanism meshes with the upper ratchet mechanism at a second distinct ratcheting position. The first elevation is different from the second elevation.

公开(公告)号：US10161100B2

公开(公告)日：2018-12-25

申请号：US14575312

申请日：2014-12-18

申请人： 1128653 Ontario Ltd.

发明人： Benjamin Koop

IPC分类号： E02D29/14

摘要： A manhole cover assembly has an inner cylinder and an outer cylinder. An upper ratchet mechanism extends axially and circumferentially about an outwardly facing surface of the inner cylinder. A lower ratchet mechanism extends axially and circumferentially about an inwardly facing surface of the outer. The lower ratchet mechanism is configured to mesh with the upper ratchet mechanism at one of a plurality of distinct ratcheting positions. A cover plate is disposed on one of the inner cylinder and the outer cylinder. The cover plate is at a first elevation when the lower ratchet mechanism meshes with the upper ratchet mechanism at a first distinct ratcheting position. The cover plate is at a second elevation when the lower ratchet mechanism meshes with the upper ratchet mechanism at a second distinct ratcheting position. The first elevation is different from the second elevation.