- 专利标题： Lifting aid for attic ladder system
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申请号： US16811524申请日： 2020-03-06
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公开(公告)号： US11485613B1公开(公告)日： 2022-11-01
- 发明人: Charles Phillips , Cameron Phillips
- 申请人： Charles Phillips , Cameron Phillips
- 申请人地址： US SC Murrells Inlet; US SC Murrells Inlet
- 专利权人： Charles Phillips,Cameron Phillips
- 当前专利权人： Charles Phillips,Cameron Phillips
- 当前专利权人地址： US SC Murrells Inlet; US SC Murrells Inlet
- 代理机构： Cramer Patent & Design, PLLC
- 代理商 Aaron R. Cramer
- 主分类号： E06C7/00
- IPC分类号： E06C7/00 ; E06C7/16 ; B66B9/16 ; B66B9/08 ; B66B9/187 ; B66D1/54 ; B66D1/26 ; E04F11/04 ; E06C7/12
摘要：
A lifting aid for an attic ladder includes a track system having a plurality of attachment means configured to secure about a corresponding number of attic ladder rungs. A hand winch is secured to the base of the device and is in mechanical operation with a tray which runs up and down the attic ladder to which the track system is secured.
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