公开(公告)号：US6042517A

公开(公告)日：2000-03-28

申请号：US151393

申请日：1998-09-10

申请人： John A. Gunther ,  Mark S. deRoche

发明人： John A. Gunther ,  Mark S. deRoche

IPC分类号： A63B21/005 ,  A63B69/16 ,  A63B22/06

CPC分类号： A63B69/16 ,  A63B21/0051 ,  A63B2069/168 ,  Y10S482/903

摘要： A magnetic resistive device that is suitable for use with a bicycle trainer including a rotatable shaft having a magnetic resistive force member engaged to an end thereof. In the preferred embodiment the magnetic resistive force member includes a cylindrical outer surface. A plurality of magnets are disposed on one side of said magnetic resistive force member, preferably in alternating polarity. Magnetic fields generated between adjacent magnets create eddy currents within the magnetic resistive force member to create a resistive force against the rotation of the magnetic resistive force member. In the preferred embodiment, the magnets are disposed outside of the cylindrical magnetic resistive force member, and the magnets are movable away from the magnetic resistive force member to reduce the force induced therewithin.

摘要翻译： 一种适合与自行车训练器一起使用的磁阻装置，其包括具有与其末端接合的磁阻力构件的可旋转轴。 在优选实施例中，磁阻力构件包括圆柱形外表面。 多个磁体设置在所述磁阻力构件的一侧上，优选为交替极性。 在相邻磁体之间产生的磁场在磁阻力构件内产生涡流以产生抵抗磁阻力构件旋转的阻力。 在优选实施例中，磁体设置在圆柱形磁阻力构件的外部，并且磁体可移动远离磁阻力构件以减小在其中引起的力。

公开(公告)号：US5997256A

公开(公告)日：1999-12-07

申请号：US151170

申请日：1998-09-10

申请人： John A. Gunther

发明人： John A. Gunther

IPC分类号： F04B25/02 ,  F04B33/00 ,  F04B39/00 ,  F04B3/00

CPC分类号： F04B33/005 ,  F04B25/02 ,  F04B39/0016

摘要： The dual stage, dual mode air pump is selectively operable in a low pressure, high volume mode or a high pressure, low volume mode. It includes a pump head, an outer tube that is engaged to the pump head, an inner tube that is engaged to the pump head and a middle tube that is slidably engaged to both the outer tube and the inner tube. A mode pump switch is utilized to allow the pump operator to change the mode of the pump. In the preferred embodiment, the mode switch is disposed within the pump head. It includes an air passageway having a manually switchable valve disposed therein. In the high volume, low pressure mode the valve switch is closed, whereupon pumped air passes into a pneumatic article engaged to the end of the pump. When the valve switch is opened, the pump is operable in the low volume high pressure mode, and a portion of the pumped air is outletted into the ambient environment, rather than being pumped into the pneumatic article. Additionally, the pump includes multiple chambers, such that a pump chamber is prepressurized on a pump backstroke to increase the air throughput of the pump.

摘要翻译： 双级双模式空气泵可选择性地在低压，高体积模式或高压，低体积模式下操作。 其包括泵头，与泵头接合的外管，与泵头接合的内管和可滑动地接合到外管和内管两者的中管。 使用模式泵开关来允许泵操作者改变泵的模式。 在优选实施例中，模式开关设置在泵头内。 它包括一个空气通道，其中设置有可手动切换的阀。 在高容量，低压模式下，阀开关关闭，从而泵送的空气进入与泵的端部接合的气动制品。 当阀开关打开时，泵可在低体积高压模式下操作，并且一部分泵送的空气被排出到周围环境中，而不是被泵入气动制品中。 另外，泵包括多个腔室，使得泵室在泵仰泳前进行加压，以增加泵的空气通过量。

公开(公告)号：US06102063A

公开(公告)日：2000-08-15

申请号：US386598

申请日：1999-08-31

申请人： Brendan E. Pierce ,  John A. Gunther

发明人： Brendan E. Pierce ,  John A. Gunther

IPC分类号： B23Q3/06 ,  F16L37/18 ,  F16K15/20

CPC分类号： F16L37/18 ,  B23Q3/067

摘要： The valve head of the present invention is designed for engaging both a Schrader and a Presta valve. It includes a housing having generally cylindrical sidewalls and a base wall. A collet is disposed within the housing. The collet has generally cylindrical sidewalls and a plurality of upwardly extending collet fingers. A generally cylindrical gasket member is disposed within the collet. The gasket is composed of a resilient material and has a valve insertion bore formed centrally therethrough. A camming lever is operably engaged to the collet and functions to pull the collet downwardly into the housing. The downward movement of the collet causes the collet fingers to move inwardly, thereby creating an inwardly directed force upon the resilient gasket such that the diameter of the gasket bore is reduced. When a Schrader valve is disposed within the gasket bore, a valve pin depression tip acts to depress the Schrader valve pin, thus permitting pumped air to flow through the Schrader valve. When a Presta valve is disposed within the gasket bore, the tip is prevented from applying undue force to the Presta valve pin by a flexible mounting of the tip within the valve head.

摘要翻译： 本发明的阀头被设计成用于接合Schrader和Presta阀。 它包括具有大致圆柱形侧壁和底壁的壳体。 夹套设置在外壳内。 夹头具有大致圆柱形的侧壁和多个向上延伸的夹头。 大致圆柱形的垫圈构件设置在夹头内。 垫圈由弹性材料构成，并且具有通过中心形成的阀插入孔。 凸轮杆可操作地接合到夹头并用于将夹头向下拉入壳体中。 夹头的向下运动导致夹头指向内移动，从而在弹性垫圈上产生向内的力，使得垫圈孔的直径减小。 当Schrader阀门设置在垫圈孔内时，阀销压入尖端起作用以压低Schrader阀针，从而允许泵送空气流过Schrader阀。 当Presta阀设置在垫圈孔内时，通过尖端在阀头内的柔性安装，防止尖端对Presta阀销施加过大的力。