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US 9,358,620 B2Granted
Guide pad
Assigneebotek Praezisionsbohrtechnik GmbH
InventorsKarl-Heinz Wenzelburger, Juergen Wenzelburger
Life of this patent
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Abstract
A guide gib (500) for a deep drilling tool of a substantially rectangular shape with a longitudinal direction (L) and a width (B) and with at least one sliding surface (540) is characterized in that at least one lubricating groove, preferably a plurality of lubricating grooves (501, 502), is/are arranged at least in the region of a contact zone of the sliding surface.
Claims2
A guide pad for a deep drilling tool, the guide pad having
- a length,
- a width smaller than the length,
- a height smaller than the length and smaller than the width, and
- at least one sliding surface across the length and the width and at a top of the height,
- wherein a first area of a contact zone of the at least one sliding surface consists of an area along a front sixth of the length of the guide pad and along the width starting inwards from opposite width edge regions of the at least one sliding surface,
- wherein a plurality of lubricating grooves are arranged in the first area of the contact zone of the at least one sliding surface;
- and
- wherein the lubricating grooves are implemented as closed pockets arranged in the at least one sliding surface of the guide pad, a first pocket and a second pocket of the closed pockets being disposed completely within the first area of the contact zone.
5 more elements
Dependencies are inferred from the claim text.