TOP DRIVE QUILL WITH REMOVABLE FLANGE
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United States of America Patent
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app pub date -
Dec 2, 2015
filing date -
Dec 2, 2015
priority date (Note) -
Abandoned
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Abstract
A top drive system with a removable flange is provided. In one embodiment, a top drive includes a quill, a motor coupled to drive rotation of the quill, and a swivel including a housing and a bearing disposed within the housing. The top drive also includes a removable flange attached to the quill within the housing of the swivel. The bearing and the removable flange are positioned within the housing such that the bearing bears weight of the quill via the removable flange. Additional systems, devices, and methods are also disclosed.
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