LandOfFree - US Patents - Listing for Tool driving or impacting

Tool driving or impacting – Means to drive tool about an axis – Means to hold and relatively rotate sections of tool shaft

Drill rod opening device for sectional-rod drilling equipment

Tool driving or impacting – Advance causing or controlling means – Driven flexible member causes advance

Drill rod position stabilizing device

Tool driving or impacting – Automatic control of power operated means – Drive means responsive to condition of advance causing or...

Drill slide for rock drilling apparatus

Tool driving or impacting – With indicating or signaling means

Drill steel guide for a mine drilling machine

Tool driving or impacting – Convertible

Drill steel removal attachment for rock drilling machine

Tool driving or impacting – Means to drive tool about an axis – Means to hold and relatively rotate sections of tool shaft

Drill stem for drilling upwardly

Tool driving or impacting – Advance causing or controlling means – Motor causes or controls advance

Drill stem make-up and break-out system for earth drilling machi

Tool driving or impacting – Means to drive tool about an axis – Means to hold and relatively rotate sections of tool shaft

Drill string element

Tool driving or impacting – Advance causing or controlling means – Tool advances relative to drive

Drill string suspension tower

Tool driving or impacting – Drive by means reacting to rotating eccentric mass

Drill tool

Tool driving or impacting – Impacting devices – With anvil arranged to transmit torsional impact to tool

Drill with a hammer mechanism

Tool driving or impacting – Automatic control of power operated means

Drill with solid state speed control

Tool driving or impacting – Convertible

Drill/saw apparatus

Tool driving or impacting – Automatic control of power operated means – Tool advance causing or controlling means

Drilled hole end adjusting arrangement

Tool driving or impacting – Hammer or tool shaft reciprocated by gripping means which... – With fixed means cyclically contacted by grip structure

Drillhead unit

Tool driving or impacting – With vehicle support for drive – Nontransporting means to support vehicle during tool operation

Drilling and bolting head for a bolting machine

Tool driving or impacting – With work engaging means supporting drive – Anchored to work

Drilling and bolting turret

Tool driving or impacting – Impacting devices – With means to reciprocate tool

Drilling and chipping tool

Tool driving or impacting – Drive adjustable to completely change kind of drive – Adjustable to impacting device

Drilling and chipping tool