B - Operations – Transporting – 26 – F
Patent
B - Operations, Transporting
26
F
164/136
B26F 1/44 (2006.01) B21D 28/34 (2006.01) B21D 37/04 (2006.01)
Patent
CA 1076951
ABSTRACT OF THE DISCLOSURE A retainer arrangement is disclosed for securing punches, dies or similar machine tool elements within a bore in a tool holder body, the retainer providing for secure and accurately repeatable orientation of the punch or other element within the bore. The retainer comprises a conically tapered pin retainer having a threaded shank portion adapted to be re- ceived into a threaded portion of a retainer seat extending into the holder body transversely to the holder bore and having a conically tapered portion partially intersecting the same. The leading end of the tapered pin retainer is tapered to mate with the tapering portion of the retainer seat and with a complemen- tary conical tapered groove formed in the punch shank, to secure- ly retain the punch or other machine element within the holder body, and also to precisely and repeatably orient the same with respect to the holder body bore in receiving the same. The geometry of the mating retainer pin, groove and tapering portion of the retainer seat is such as to insure seating of the pin in the groove to provide firm engagement with the machine tool ele- ment. Also disclosed is the alternate provision of opposed pairs of the tapered pin retainers for heavy duty applications or a single retainer for light duty applications. In one embodi- ment, the axis of the retainer is inclined from the normal to the tool axis to facilitate removal thereof. The punch shank is dis- closed as being formed with a series of ratchet cuts formed along the longitudinal length thereof to facilitate removal of the punch by means of a screw driver or similar tool, while the tool holder backing plates are formed with recesses for easy removal from the press arm members.
307671
LandOfFree
Retainer for punch and die sets does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Retainer for punch and die sets, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Retainer for punch and die sets will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-816031