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US4149822A
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Headstock balancing arrangement for machine tools
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US3723016A
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Spindle depth control
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US3669556A
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Automatic machining center
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US3545335A
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Spindle clamp
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US3568566A
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Tool spindle mechanism
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US3451125A
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Automatic tool changer
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US3302492A
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Sensing device
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US3339122A
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Digital positional control device
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US3151719A
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Hydraulic mechanism
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US2926554A
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Hydraulic spindle balance
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US2859295A
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Zero speed mechanism
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US2866347A
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Preselect mechanism
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US2737832A
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Clamping mechanism
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US2375662A
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Automatic tapping attachment
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US2233340A
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Clamping mechanism
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US2180289A
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Drilling and honing machinery
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US2049891A
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Slide clamp
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US2002469A
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Column clamp for radial drills
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US2002446A
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Clamping mechanism for radial drills
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US1642642A
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Clutch mechanism
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