| 发明名称 |
LIFT CHAIN TENSION RELIEVING DEVICES AND METHODS |
| 摘要 |
Devices and methods to relieve lift chains from being maintained under constant, or nearly constant, tension are provided. |
| 申请公布号 |
US2015122585(A1) |
申请公布日期 |
2015.05.07 |
| 申请号 |
US201414527531 |
申请日期 |
2014.10.29 |
| 申请人 |
NACCO Materials Handling Group, Inc. |
发明人 |
Berns Nico;Smulders Paul;van den Hurk Peter;Erinkveld Joost;Bruenell Norbert;van der Cruijsen Stefan |
| 分类号 |
B66F9/075;B66F9/08 |
主分类号 |
B66F9/075 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A mast-hanger comprising:
a support mounted to a first stage of a lift mast; wherein the support includes a mast receiving portion or an attachment receiving portion; wherein, if included, the mast receiving portion is sized, shaped, and positioned to (i) receive a second stage of the lift mast and (ii) facilitate releasing tension from lift chains of the lift mast by transferring at least some of the weight of the second stage of the lift mast to the first stage of the lift mast via the support; and wherein, if included, the attachment receiving portion is sized, shaped, and positioned to (i) receive an attachment borne by the lift mast and (ii) facilitate releasing tension from lift chains of the lift mast by transferring at least some of the weight of the attachment to the first stage of the lift mast via the support. |
| 地址 |
Fairview OR US |
