| 摘要 |
A spherical glide securable to a structural leg comprising a first substantially hemispherical half and a second substantially hemispherical half secured together by cooperating interference means on the first half and the second half and further including means for securing the spherical glide to the leg. The cooperating interference means may comprise a circumferential wall extending from a frist half and receivable by re-entrant fit within a recess in the second half.
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