公开(公告)号：US10913312B1

公开(公告)日：2021-02-09

申请号：US16702110

申请日：2019-12-03

申请人： Po-Chuan Tsai

发明人： Po-Chuan Tsai

IPC分类号： B60B33/00 ,  B60B33/04

摘要： A caster assembly includes a base body, a tubular member, a retaining member and two wheel units. The base body includes an inner surrounding surface, a through hole surrounded by the inner surrounding surface, and a positioning slot extending along a line tangent to the inner surrounding surface and communicating with the through hole. The tubular member is inserted into the through hole. The retaining member is inserted into the positioning slot to retain the tubular member within the through hole. The wheel units are respectively and rotatably sleeved on two lateral connection portions of the tubular member.

公开(公告)号：US09326607B2

公开(公告)日：2016-05-03

申请号：US14174877

申请日：2014-02-07

申请人： Po-Chuan Tsai

发明人： Po-Chuan Tsai

IPC分类号： A47C7/54 ,  A47C1/03 ,  B60N2/46

CPC分类号： A47C1/03 ,  A47C7/543 ,  B60N2/753 ,  B60N2/767 ,  B60N2/773

摘要： A rotatable armrest contains a body, a connecting mount, a joining member, and a cover. The body includes an inner rod and an outer rod. The inner rod has a rotating seat, a through hole, a first groove, a second groove, and two retaining shoulders. The connecting mount includes a locking rib and a column, the column has a slot and two notches. The joining member includes a first segment mounted in the through hole of the inner rod and a second segment fixed in the first groove of the inner rod, the first segment has two engaging blocks formed on an outer peripheral side thereof and a lock protrusion formed therein and accommodated in the slot, the second segment has a trench for receiving the cover, and the trench has a cutout which has two threaded orifices passing through the lock protrusion of the joining member.

摘要翻译： 旋转式扶手包括主体，连接座，接合构件和盖。 主体包括内杆和外杆。 内杆具有旋转座，通孔，第一槽，第二槽和两个保持肩。 连接支架包括锁定肋和柱，柱具有槽和两个凹口。 所述接合构件包括安装在所述内杆的通孔中的第一段和固定在所述内杆的所述第一槽中的第二段，所述第一段具有形成在其外周侧上的两个接合块和形成在其中的锁定突起 并且容纳在槽中，第二段具有用于接收盖的沟槽，并且沟槽具有切口，该切口具有穿过接合构件的锁定突起的两个螺纹孔。

公开(公告)号：US09211762B1

公开(公告)日：2015-12-15

申请号：US14682193

申请日：2015-04-09

申请人： Po-Chuan Tsai

发明人： Po-Chuan Tsai

IPC分类号： B60B33/00

CPC分类号： B60B33/0086 ,  B60B33/0042 ,  B60B2900/212 ,  B60B2900/325

摘要： A castor includes a castor body provided with an upper slideway, a lower slideway and a projection, two rollers mounted on the castor body, a first braking member pivotally connected with the castor body and provided with a protrusion, a second braking member mounted in the lower slideway, a sliding block mounted in the upper slideway of the castor body, a compression spring biased between the castor body and the sliding block, and a linear spring mounted between the projection of the castor body and the protrusion of the first braking member. Thus, the linear spring provides a restoring force to the protrusion of the first braking member and eliminates the stress applied on the protrusion of the first braking member and the projection of the castor body.

摘要翻译： 脚轮包括设置有上滑道，下滑道和突起的脚轮，安装在脚轮主体上的两个滚子，与脚轮本体枢转地连接并设置有突起的第一制动构件，安装在第二制动构件 下滑道，安装在脚轮主体的上滑轨中的滑动块，偏置在脚轮体和滑动块之间的压缩弹簧，以及安装在脚蹬体的突出部和第一制动构件的突出部之间的线性弹簧。 因此，线性弹簧向第一制动构件的突起提供恢复力，并且消除施加在第一制动构件的突起和脚轮的突出部上的应力。

公开(公告)号：US20110138571A1

公开(公告)日：2011-06-16

申请号：US12638039

申请日：2009-12-15

申请人： Po-Chuan Tsai

发明人： Po-Chuan Tsai

IPC分类号： B60B33/00

CPC分类号： B60B33/0073 ,  B60B33/0028 ,  B60B33/0042 ,  B60B33/0049 ,  B60B33/0057 ,  B60B33/0068 ,  Y10T16/191

摘要： A castor includes a dustproof cover, a support shaft detachably mounted on the dustproof cover and two rollers mounted on the support shaft respectively and received in the dustproof cover respectively. The dustproof cover has an inner portion provided with a support post. The support post has a lower end provided with an arcuate locking recess detachably locked onto the support shaft. Thus, each of the rollers is encompassed by the dustproof cover completely so that the dustproof cover can isolate the rollers to prevent hairs, dirt or dusts from entering the rollers easily. In addition, the support shaft can be detached from the dustproof cover so that the support shaft and the rollers can be removed from the dustproof cover to facilitate the user clearing dirt, dusts or hairs accumulated in the dustproof cover and the rollers.

摘要翻译： 脚轮包括防尘盖，可拆卸地安装在防尘盖上的支撑轴和分别安装在支撑轴上的两个辊并分别容纳在防尘盖中。 防尘罩具有设置有支撑柱的内部部分。 支撑柱具有设置有可拆卸地锁定在支撑轴上的弓形锁定凹部的下端。 因此，每个辊子完全被防尘罩包围，使得防尘盖可以隔离辊子，以防止毛发，灰尘或灰尘容易地进入辊子。 此外，支撑轴可以从防尘盖拆下，从而可以从防尘盖移除支撑轴和滚筒，以方便用户清除积聚在防尘盖和滚筒中的灰尘或毛发。

公开(公告)号：US20110085851A1

公开(公告)日：2011-04-14

申请号：US12577934

申请日：2009-10-13

申请人： Po-Chuan Tsai

发明人： Po-Chuan Tsai

IPC分类号： B25G3/18

CPC分类号： A47C7/402 ,  Y10T403/591

摘要： A lifting device for the backrest of a chair includes a fixed member, a movable member movably mounted on the fixed member and having an elongate slideway and a plurality of locking grooves, a locking bolt extending into the slideway of the movable member and detachably locked in one of the locking grooves of the movable member, a slide secured on the locking bolt to move the locking bolt, and an elastic member biased between the slide and the fixed member to push the locking bolt toward one of the locking grooves. Thus, the movable member is moved relative to the fixed member to adjust the height of the backrest so that the height of the backrest can be adjusted according to a user's requirement, and the backrest can support the user's back efficiently.

摘要翻译： 用于椅子靠背的提升装置包括：固定构件，可移动地安装在固定构件上并具有细长滑道和多个锁定槽的可动构件，延伸到可移动构件的滑道中的可锁定的锁定螺栓 可移动部件的锁定槽之一，固定在锁定螺栓上以移动锁定螺栓的滑块以及偏置在滑动件和固定部件之间的弹性部件，以将锁定螺栓推向锁定槽中的一个。 因此，可移动构件相对于固定构件移动以调节靠背的高度，使得可以根据用户的要求来调节靠背的高度，并且靠背可以有效地支撑使用者的背部。

公开(公告)号：USD606345S1

公开(公告)日：2009-12-22

申请号：US29335007

申请日：2009-04-07

申请人： Po-Chuan Tsai

设计人： Po-Chuan Tsai

公开(公告)号：US20080163455A1

公开(公告)日：2008-07-10

申请号：US11651884

申请日：2007-01-10

申请人： Po-Chuan Tsai

发明人： Po-Chuan Tsai

IPC分类号： B60B33/00

CPC分类号： B60B33/0073 ,  B60B3/048 ,  B60B33/0002 ,  B60B33/001 ,  B60B33/0021 ,  B60B33/0028 ,  B60B33/0042 ,  B60B33/0049 ,  B60B33/0057 ,  B60B33/0068 ,  Y10T16/1847 ,  Y10T16/1853

摘要： A castor includes a main body, two rollers, a plurality of rolls, two retaining members, and two covers. Thus, the rolls are rotatably mounted between the main body and the respective roller, so that each of the rollers is rotatable on the main body smoothly. In addition, the rolls and the rollers are made of the same material to reduce the friction between the rolls and the rollers during rotation of the castor, so that the rolls and the rollers are not easily worn out during a long-term utilization. Further, the rollers are covered by the covers so that only the through hole of the main body is exposed outwardly from the covers and the rollers, thereby enhancing the aesthetic quality of the castor.

摘要翻译： 脚轮包括主体，两个辊，多个辊，两个保持构件和两个盖。 因此，辊可旋转地安装在主体和相应的辊之间，使得每个辊能够平稳地在主体上旋转。 此外，辊和辊由相同的材料制成，以减少蓖麻旋转期间辊和辊之间的摩擦，使得辊和辊在长期使用期间不容易磨损。 此外，辊被盖覆盖，使得仅主体的通孔从盖和辊向外露出，从而提高蓖麻的美观质量。

公开(公告)号：US20070289098A1

公开(公告)日：2007-12-20

申请号：US11454768

申请日：2006-06-16

申请人： Po-Chuan Tsai

发明人： Po-Chuan Tsai

IPC分类号： B60B33/00

CPC分类号： B60B33/0089 ,  B60B33/0042 ,  B60B33/0049 ,  B60B33/0057 ,  B60B33/0068 ,  B60B33/0073 ,  B60B33/021 ,  B60B33/023 ,  Y10T16/18 ,  Y10T16/1937 ,  Y10T16/195

摘要： A castor includes a main body, two rollers each rotatably mounted on the main body, a stop member movable in the main body between a first position where the stop member is located at a height higher than that of each of the two rollers and a second position where the stop member is located at a height lower than that of each of the two rollers, a slide slidably mounted in the main body to move the stop member, and a control member pivotally mounted on the main body to move the slide. Thus, when the stop member is movable downward to rest on the ground, the two rollers are suspended in the air, so that the castor is locked exactly without slipping or moving on the ground.

摘要翻译： 脚轮包括主体，每个可旋转地安装在主体上的两个滚子，在主体中可移动的第一位置和第二位置之间的停止构件，其中止动构件位于比两个滚子中的高度高的第一位置， 所述止动构件位于比所述两个辊的每一个低的高度的位置，滑动地安装在所述主体中以使所述止动构件移动的滑动件;以及可枢转地安装在所述主体上以使所述滑块移动的控制构件。 因此，当止动构件向下移动以搁置在地面上时，两个辊悬挂在空气中，使得脚轮被精确地锁定而不会在地面上滑动或移动。

公开(公告)号：USD524582S1

公开(公告)日：2006-07-11

申请号：US29190409

申请日：2003-09-22

申请人： Po-Chuan Tsai

设计人： Po-Chuan Tsai

公开(公告)号：US20050081329A1

公开(公告)日：2005-04-21

申请号：US10685470

申请日：2003-10-16

申请人： Po-Chuan Tsai

发明人： Po-Chuan Tsai

IPC分类号： B60B33/00

CPC分类号： B60B33/0042 ,  B60B33/0028 ,  B60B33/0049 ,  B60B33/0057 ,  B60B33/0068 ,  B60B33/0073 ,  Y10T16/18

摘要： An office chair castor includes a base, two castor bodies, two beads bases, and two set of beads. The beads of the two sets of beads positioned in portion grooves of the two beads bases are also rotatably positioned in both the grooves of the two projecting annular walls of the base and the grooves of the two castor bodies, permitting the mutual contact dimension of the base and the two castor bodies become small to cause small friction, which may produce little noise and may let the castor bodies not to be stuck but rotate smoothly.

摘要翻译： 办公椅脚轮包括一个底座，两个脚轮体，两个珠子基座和两组珠子。 位于两个胎圈基部的部分凹槽中的两组胎圈的胎圈也可旋转地定位在基座的两个突出的环形壁和两个脚轮的槽的两个槽中，允许两个胎体的相互接触尺寸 基座和两个脚轮体变小，引起小的摩擦，这可能产生很小的噪音，并且可能使脚轮体不被卡住而是平稳地旋转。