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1. 发明授权

US5318317A Bicycle operated air pump 失效
标题翻译：自行车操作气泵
公开(公告)号：US5318317A
公开(公告)日：1994-06-07
申请号：US808049
申请日：1991-12-12
申请人： Buford H. Hopper
发明人： Buford H. Hopper
IPC分类号： B60C23/10 , B62J11/02 , F02B75/02 , F04B9/04 , F04B33/00
CPC分类号： F04B33/005 , B60C23/105 , B62J11/02 , F04B9/047 , F02B2075/025 , Y10T24/44624
摘要： An air pump for use with a chain-driven bicycle having a freewheel. The pump assembly comprises a pair of opposed cylinders and a double-ended piston rod mounted in a housing. The piston rod has a bearing slot which engages a crank pin on a crankshaft which is driven by a sprocket. Rotation of the sprocket reciprocates the double-ended piston rod in the cylinders. A hook-shaped extension of the housing fits over the top of the chain stay of the bicycle, and a vertically movable clamping member provided with a ratchet mechanism abuts the underside of the chain stay; a lever operated cam clamps the chain stay intermediate the hook portion and the clamping member. The lower run of the bicycle drive chain engages the drive sprocket of the pump assembly. Reverse rotation of the bicycle's crank assembly causes the conventional freewheel to also rotate in a reverse direction without rotating the wheel of the bicycle. The resulting movement of the chain over the drive sprocket of the pump rotates the drive sprocket, which reciprocates the double-ended piston rod in the cylinders and pumps air to an article to be inflated.
摘要翻译：一种用于带有自由轮的链条自行车的气泵。泵组件包括一对相对的气缸和安装在壳体中的双端活塞杆。活塞杆具有与由链轮驱动的曲轴上的曲柄销接合的轴承槽。链轮的旋转将双端活塞杆往复运动。壳体的钩形延伸部配合在自行车的链条的顶部上，并且设有棘轮机构的可垂直移动的夹紧构件邻接链条的下侧; 杠杆操作的凸轮夹持在钩部和夹紧构件之间的链条撑条。自行车驱动链的下游接合泵组件的驱动链轮。自行车曲柄组件的反向旋转导致常规的自由轮也可以相反地旋转而不旋转自行车的车轮。链条在泵的驱动链轮上的所得运动使驱动链轮旋转，驱动链轮将双端活塞杆往复运动，并将空气泵送到要膨胀的物品上。

2. 发明授权

US5397144A Bicycle operated air pump 失效
标题翻译：自行车操作气泵
公开(公告)号：US5397144A
公开(公告)日：1995-03-14
申请号：US169424
申请日：1994-02-28
申请人： Mauricio Mirand , Robert Brown , Jeffrey C. Brown , Buford H. Hopper , Harry G. Worth
发明人： Mauricio Mirand , Robert Brown , Jeffrey C. Brown , Buford H. Hopper , Harry G. Worth
IPC分类号： B60C23/10 , B62J11/02 , B62K19/42 , F02B75/02 , F04B9/04 , F04B33/00
CPC分类号： B62K19/42 , B60C23/105 , B62J11/02 , F04B33/005 , F04B9/047 , F02B2075/025 , Y10T24/44624
摘要： An air pump for use with a chain-driven bicycle having a free wheel. The pump assembly comprises a pair of opposed cylinders and a double-ended piston rod mounted in a housing. The piston rod has a bearing slot, which engages a crank pin on a crankshaft driven by a sprocket. Rotation of the sprocket reciprocates the double-ended piston rod in the cylinders. The cylinders are each integrally formed with a manifold that uses an elastomeric band covering a passage from the cylinder interior to inside the manifold as a one-way valve. An enlarged diameter skirt on each cylinder allows air to enter the cylinder on each intake stroke. A cap defining the piston head is locked onto each piston and holds a seal in place on the piston. An integral clamp assembly allows the pump to be removably mounted on a bicycle chain stay. The lower run of the bicycle drive chain engages the drive sprocket of the pump assembly, and a chain retainer is used to maintain the engagement of the drive chain with the drive sprocket. Reverse rotation of the bicycle's crank assembly causes the conventional free wheel to also rotate in a reverse direction without rotating the wheel of the bicycle. The resulting movement of the chain over the drive sprocket of the pump rotates the drive sprocket, which reciprocates the double-ended piston rod in the cylinders, and pumps air to an article to be inflated, such as the bicycle tire(s).
摘要翻译：一种用于具有自由轮的链条自行车的气泵。泵组件包括一对相对的气缸和安装在壳体中的双端活塞杆。活塞杆具有轴承槽，该轴承槽与由链轮驱动的曲轴上的曲柄销接合。链轮的旋转将双端活塞杆往复运动。气缸各自一体地形成有歧管，该歧管使用弹性带，其覆盖从气缸内部到歧管内部的通道作为单向阀。每个气缸上的一个扩大的直径裙部允许空气在每个吸气冲程中进入气缸。将活塞头限定在每个活塞上并将密封件保持在活塞上的适当位置。一体式夹具组件允许泵可拆卸地安装在自行车链条上。自行车驱动链的下游接合泵组件的驱动链轮，并且链保持器用于保持驱动链与驱动链轮的接合。自行车的曲柄组件的反向旋转使得常规的自由轮也能够相反地旋转而不使自行车轮转动。链条在泵的驱动链轮上的运动使得将双端活塞杆往复运动的驱动链轮旋转，并将空气泵送到要充气的物品，例如自行车轮胎上。

3. 发明授权

US5626072A Piston assembly for use with a bicycle operated air pump 失效
标题翻译：用于自行车操作的空气泵的活塞组件
公开(公告)号：US5626072A
公开(公告)日：1997-05-06
申请号：US361194
申请日：1994-12-21
申请人： Mauricio Mirand , Robert Brown , Jeffrey C. Brown , Buford H. Hopper
发明人： Mauricio Mirand , Robert Brown , Jeffrey C. Brown , Buford H. Hopper
IPC分类号： B60C23/10 , B62J11/02 , B62K19/42 , F02B75/02 , F04B9/04 , F04B33/00 , F16J1/12
CPC分类号： B62K19/42 , B60C23/105 , B62J11/02 , F04B33/005 , F04B9/047 , F02B2075/025 , Y10T24/44624
摘要： An air pump for use with a chain-driven bicycle having a free wheel. The pump assembly comprises a pair of opposed cylinders and a double-ended piston rod mounted in a housing. The piston rod has a bearing slot, which engages a crank pin on a crankshaft driven by a sprocket. Rotation of the sprocket reciprocates the double-ended piston rod in the cylinders. The cylinders are each integrally formed with a manifold that uses an elastomeric band covering a passage from the cylinder interior to inside the manifold as a one-way valve. An enlarged diameter skirt on each cylinder allows air to enter the cylinder on each intake stroke. A cap defining the piston head is locked onto each piston and holds a seal in place on the piston. An integral clamp assembly allows the pump to be removably mounted on a bicycle chain stay. The lower run of the bicycle drive chain engages the drive sprocket of the pump assembly, and a chain retainer is used to maintain the engagement of the drive chain with the drive sprocket. Reverse rotation of the bicycle's crank assembly causes the conventional free wheel to also rotate in a reverse direction without rotating the wheel of the bicycle. The resulting movement of the chain over the drive sprocket of the pump rotates the drive sprocket, which reciprocates the double-ended piston rod in the cylinders, and pumps air to an article to be inflated, such as the bicycle tire(s).
摘要翻译：一种用于具有自由轮的链条自行车的气泵。泵组件包括一对相对的气缸和安装在壳体中的双端活塞杆。活塞杆具有轴承槽，该轴承槽与由链轮驱动的曲轴上的曲柄销接合。链轮的旋转将双端活塞杆往复运动。气缸各自一体地形成有歧管，该歧管使用弹性带，其覆盖从气缸内部到歧管内部的通道作为单向阀。每个气缸上的一个扩大的直径裙部允许空气在每个吸气冲程中进入气缸。将活塞头限定在每个活塞上并将密封件保持在活塞上的适当位置。一体式夹具组件允许泵可拆卸地安装在自行车链条上。自行车驱动链的下游接合泵组件的驱动链轮，并且链保持器用于保持驱动链与驱动链轮的接合。自行车的曲柄组件的反向旋转使得常规的自由轮也能够相反地旋转而不使自行车轮转动。链条在泵的驱动链轮上的运动使得将双端活塞杆往复运动的驱动链轮旋转，并将空气泵送到要充气的物品，例如自行车轮胎上。

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