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1. 发明授权

US08839908B2 Ladder safety apparatus 有权
标题翻译：梯子安全装置
公开(公告)号：US08839908B2
公开(公告)日：2014-09-23
申请号：US13791653
申请日：2013-03-08
申请人： Don M. Davis, Jr.
发明人： Don M. Davis, Jr.
IPC分类号： E06C7/18 , E06C7/48
CPC分类号： E06C7/188 , E06C7/182 , E06C7/48 , E06C7/486
摘要： A ladder safety apparatus and methods of using the same are disclosed. An example ladder safety apparatus includes a stabilizer bar for a top portion of a ladder, the stabilizer bar configured to rest on a roof top. The example ladder safety apparatus also includes a balance rail for the top portion of the ladder to provide substantially upright handles for a user to grasp when the ladder is positioned on the roof top. Further, the safety apparatus may be engaged to a ladder using one or more engagement rods.
摘要翻译：公开了一种梯子安全装置及其使用方法。示例性梯形图安全装置包括用于梯子顶部的稳定杆，所述稳定杆构造成搁置在屋顶上。示例性梯子安全装置还包括用于梯子的顶部的平衡导轨，以在梯子位于屋顶上时提供基本上直立的手柄，供使用者抓紧。此外，安全装置可以使用一个或多个接合杆接合到梯子。

2. 发明授权

US08839907B2 Ladder safety apparatus 有权
标题翻译：梯子安全装置
公开(公告)号：US08839907B2
公开(公告)日：2014-09-23
申请号：US13362230
申请日：2012-01-31
申请人： Don M. Davis, Jr.
发明人： Don M. Davis, Jr.
IPC分类号： E06C7/18 , E06C7/48
CPC分类号： E06C7/48 , E06C7/182 , E06C7/188
摘要： A ladder safety apparatus and methods of using the same are disclosed. An example ladder safety apparatus includes a stabilizer bar for a top portion of a ladder, the stabilizer bar configured to rest on a roof top. The example ladder safety apparatus also includes a balance rail for the top portion of the ladder to provide substantially upright handles for a user to grasp when the ladder is positioned on the roof top. The balance rail and the stabilizer bar are formed as a unitary structure.
摘要翻译：公开了一种梯子安全装置及其使用方法。示例性梯形图安全装置包括用于梯子顶部的稳定杆，所述稳定杆构造成搁置在屋顶上。示例性梯子安全装置还包括用于梯子的顶部的平衡导轨，以在梯子位于屋顶上时提供基本上直立的手柄，供使用者抓紧。平衡杆和稳定杆形成为一体的结构。

3. 发明授权

US08602163B2 Ladder safety apparatus 有权
标题翻译：梯子安全装置
公开(公告)号：US08602163B2
公开(公告)日：2013-12-10
申请号：US13223261
申请日：2011-08-31
申请人： Don M. Davis, Jr.
发明人： Don M. Davis, Jr.
IPC分类号： E06C7/18
CPC分类号： E06C7/48 , E06C7/188
摘要： A ladder safety apparatus and methods of using the same are disclosed. An example ladder safety apparatus includes a stabilizer bar for a top portion of a ladder, the stabilizer bar configured to rest on a roof top. The ladder safety apparatus also includes a balance rail for the top portion of the ladder to provide handles for a user climbing onto the roof top. The ladder safety apparatus also includes an attached strap to connect adjacent the roof top for securing the ladder.
摘要翻译：公开了一种梯子安全装置及其使用方法。示例性梯形图安全装置包括用于梯子顶部的稳定杆，所述稳定杆构造成搁置在屋顶上。梯子安全装置还包括用于梯子顶部的平衡导轨，以提供用于爬上屋顶的使用者的手柄。梯子安全装置还包括附接的带子，用于连接邻近屋顶顶部以固定梯子。

4. 发明授权

US5368872A Pressure and vacuum smoker apparatus and method 失效
标题翻译：压力和真空吸烟装置及方法
公开(公告)号：US5368872A
公开(公告)日：1994-11-29
申请号：US114456
申请日：1993-08-31
申请人： Don M. Davis, Jr.
发明人： Don M. Davis, Jr.
IPC分类号： A23B4/052 , A23L1/31 , A23B4/044
CPC分类号： A23B4/052
摘要： A combination pressure and vacuum smoker is described that includes separate compartments for the creation of a fire, the pressurized smoking of foods, and the smoking of foods in a partial vacuum. In operation, a user creates a fire in the fire compartment and places the foods to be smoked in the other compartments. The unique design to the device allows a user to pressurize the fire compartment with air and to transfer the pressurized and smoke filled air to the pressure smoking compartment to smoke the foods therein contained under pressure. The design further allows a user to create a partial vacuum within the vacuum smoking compartment, to then draw smoke filled air from the fire compartment into the vacuum smoking compartment, and to maintain a partial vacuum in the vacuum smoking compartment. Such a design allows the user to regulate the temperature, smoke concentration, and pressure within the pressure and vacuum smoking compartments using only the fire contained in the fire box as a source of smoke and heat. The present invention also includes a method for the pressurized and vacuum smoking of foods.
摘要翻译：描述了组合压力和真空吸烟者，其包括用于产生火的单独隔室，食物的加压吸烟以及部分真空中的食物吸烟。在操作中，用户在防火隔间中产生火灾，并将要吸烟的食物放置在其他隔间中。该设备的独特设计允许使用者用空气对消防隔间加压，并将加压和充满烟雾的空气转移到吸烟室，以吸收其中压力下的食物。该设计进一步允许使用者在真空吸烟室内产生部分真空，然后将吸入烟雾的空气从消防隔间吸入真空吸烟室，并在真空吸烟室中保持部分真空。这种设计允许使用者仅使用作为烟气和热源的火箱中包含的火焰来调节压力和真空吸烟室内的温度，烟浓度和压力。本发明还包括一种用于食品加压和吸烟的方法。

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