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    • 2. 发明申请
    • TELESCOPING MEMBERS
    • 邀请会员
    • WO1995002150A1
    • 1995-01-19
    • PCT/GB1994001434
    • 1994-07-01
    • WHITCOMB, Ellis, Fitzroy, Petersen
    • F16M11/26
    • F16M11/28F16B7/1409F16M13/00F16M2200/027F16M2200/028
    • Apparatus comprising a telescopic member, having an inner portion (2) telescopically moveable within a hollow outer portion (3) so as to vary the effective length of the member, has retaining means for releasably retaining the inner portion at a selected position so as to vary the effective length of the member, the apparatus having retaining means for releasably retaining the inner portion (2) at a selected position, lying in a range of possible positions, relative to the outer portion (3), the retaining means comprising a camming member (14) which is connected to the inner portion (2), and a locking member (36) which is contained within the outer portion, the camming member (14) and the locking member (36) being axially moveable relative to each other, wherein said relative movement causes the camming member (14) to urge the locking member (36) against the inner surface of the outer portion (3), thereby to retain the inner (2) and outer portions (3) in said selected position.
    • 一种包括伸缩构件的装置,其具有在中空外部部分(3)内可伸缩地移动以便改变构件的有效长度的内部部分(2),具有用于将内部部分可释放地保持在选定位置的保持装置, 改变构件的有效长度,该装置具有用于将内部部分(2)相对于外部部分(3)可释放地保持在可选位置的选定位置处的保持装置,该保持装置包括凸轮 连接到内部部分(2)的构件(14)和容纳在外部部分内的锁定构件(36),凸轮构件(14)和锁定构件(36)能够相对于彼此轴向移动 ,其中所述相对运动使得所述凸轮构件(14)将所述锁定构件(36)推靠在所述外部部分(3)的内表面上,从而将所述内部(2)和外部部分(3)保持在所述选定位置 。
    • 5. 发明申请
    • IMPROVEMENTS IN AND RELATING TO SUPPORTS
    • 改进和相关支持
    • WO1996023161A1
    • 1996-08-01
    • PCT/GB1996000185
    • 1996-01-26
    • CAMCANE LIMITEDWHITCOMB, Ellis, Fitzroy, Petersen
    • CAMCANE LIMITED
    • F16M11/28
    • F16B7/1409F16M11/28F16M2200/028
    • A support, such as a monopod for a camera, comprises a telescopic member (6) having an inner portion (8) slidably movable within an outer portion (9). Retaining means (18) locks the portions at any selected relative position between the fully collapsed and fully extended conditions of the support, but is prevented by jam prevention means (62) from locking the portions at the fully extended position. The release of the retaining means requires the slight extension of the telescopic member, and the jam prevention means, therefore, prevents the retaining means from jamming the telescopic member in its fully extended condition. A preferred form of retaining means comprises a sleeve (26) which has apertures for accommodating ball bearings (e.g. 34) which are urged against the outer portion (8) by camming members to lock the outer and inner portions in a selected position. The sleeve (26) has a circlip which partially occludes the apertures to retain the ball bearings therein. The sleeve and ball bearings can thus be formed as an initially separate subassembly.
    • 诸如用于相机的单脚架的支撑件包括具有可在外部部分(9)内可滑动地移动的内部部分(8)的伸缩构件(6)。 保持装置(18)将部分锁定在支撑件的完全折叠和完全伸展的状态之间的任何选定的相对位置处,但是防止装置(62)防止在完全伸出位置处锁定该部分。 保持装置的释放需要伸缩构件的轻微延伸,因此防止卡住装置防止保持装置在伸出状态下使伸缩构件卡住。 保持装置的优选形式包括套筒(26),其具有用于容纳球轴承(例如34)的孔,该轴承通过凸轮构件被推靠在外部部分8上,以将外部和内部部分锁定在选定位置。 套筒(26)具有卡环,其部分地封闭孔以将球轴承保持在其中。 因此,套筒和球轴承可以形成为最初分离的子组件。