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US 4,621,954 AGranted
Gear cutter assembly
AssigneeThe Gleason Works
InventorsRichard L. Kitchen, Richard C. Blakesley
Life of this patent
Estimating the term…
Abstract
A face milling type gear cutting assembly including contiguous cutting tools positioned in a common slot with means for preserving clearance for chip removal between these tools. The cutting assembly also includes a tool clamping arrangement featuring a novel clamping block which is releasably attached to a screw element in situ.
Claims4
In a face milling type cutting assembly for use in gear cutting operations comprising:
- a disc-shaped body having slots for receiving bar stock type cutting tools in positions projecting from a front face thereof;
- a ring member enclosing the circumference of said disc-shaped body and for securing said bar stock type tools therein, said ring member defining a threaded bore therethrough;
- a screw element having a shaped head portion and a threaded portion in engagement with said threaded bore;
- a clamping block releasably securing said shaped head portion of said screw element, the improvement comprising:
- said clamping block having a partially enclosed opening embracing more than one half of the circumference of said screw element in snap-type engagement.
2 more elements
In a face milling type cutting assembly for use in gear cutting operations comprising:
- a disc-shaped body having slots for receiving bar stock type cutting tools in positions projecting from a front face thereof;
- bar stock type cutting tools being received in said slots;
- means securing said bar stock type cutting tools in said slots;
- two of said bar stock type cutting tools being contiguously positioned in the same slot and generally aligned to a cutting direction;
- one of said two bar stock type cutting tools having a back wall with a recess formed therein for providing cutting clearance between said two bar stock type cutting tools during use;
- said back wall being defined by two abutment surfaces located on either side of said recess for contacting a front wall of the other of said two bar stock type cutting tools;
- the improvement comprising:
- a ring member enclosing the circumference of said disc-shaped body and securing said bar stock type tools therein, said ring member defining a threaded bore therethrough;
- a screw element having a shaped head portion and a threaded portion in engagement with said threaded bore;
- and,
- a clamping block having an opening releasably securing said shaped head portion of said screw element, in situ, and having a partially enclosed opening embracing more than one half of the circumference of said screw element in snap-type engagement.
8 more elements
Dependencies are inferred from the claim text.