| Patent Number |
Title Of Patent |
Date Issued |
| D262034 |
Spindlecase attachment for tapping machines to change the rotation of the tool |
November 24, 1981 |
|
| D261392 |
Spindlecase attachment for tapping machines to change the rotation of the tool |
October 20, 1981 |
|
| 4320997 |
Spindle holder guide member for multiple spindle attachment |
March 23, 1982 |
| Disclosed is a guide member of a multiple spindle attachment employed in drilling and tapping machines, which guide member is adapted to guide a plurality of spindle holders that mount drills or taps, and comprises a guide member body fixed to a fitting flange of the multiple spindle |
| 4305189 |
Attachment member for multiple-spindle head |
December 15, 1981 |
| Disclosed is an attachment member for a multiple-spindle head, which is used for attaching the multiple-spindle head to a quill of a drilling machine, a tapping machine or the like. This attachment member is attached to the quill through a cylinder having an attachment flange, and the |
| 4179230 |
Multiple spindle drilling machine for wide flange beams |
December 18, 1979 |
| A multiple spindle drilling machine for wide flange beams comprising at least a pair of wide flange beam supporting rollers for setting and supporting both the flanges of a wide flange beam, respectively, in a cantilevering manner at the drilling position of the wide flange beam, at |
| 4179229 |
Multiple spindle drilling machine for wide flange beams |
December 18, 1979 |
| A multiple spindle drilling machine for wide flange beams comprising a guide member vertically movably disposed on a gear box, drills disposed on the guide member in two upper and lower lines, said drills being arranged so that when they are moved and brought close to a wide flange beam |
| 4163623 |
Multiple spindle drilling machine for wide flange beams |
August 7, 1979 |
| A multiple spindle drilling machine comprising a drilling device attached to a movable attachment stand to drill a web of a wide flange beam, the drilling device including a plurality of drills aligned in the lateral direction of the web, and a shifting device for swinging and shifting t |
| 4162134 |
Apparatus for adjusting vertical position of drills in multiple spindle drilling machine |
July 24, 1979 |
| An apparatus for adjusting the vertical position of drills in a multiple spindle drilling machine comprising drills attached in upper and lower two lateral rows to a gear box of the multiple spindle drilling machine, said two groups of the drills being arranged so that the drills of the |
| 4149819 |
Multiple spindle drilling machine for landslide protection wide flange beams |
April 17, 1979 |
| A multiple spindle drilling machine for landslide protection wide flange beams, comprising a feed device for transporting on a machine stand a landslide protection wide flange beam in the longitudinal direction thereof intermittently by a predetermined length at a time, a drilling de |
| 4147460 |
Method for piercing doubling plate for H-beam and tool for processing doubling plate for H-beam |
April 3, 1979 |
| A method for piercing a double plate for an H-beam by utilizing a multiple spindle H-beam piercing mill capable of piercing both flange portions and a web portion of the H-beam and a tool having a substantially H-shaped section and capable of being mounted on this piercing mill, in which |