Pin lock system for an insert with a blindhole an a l-shaped lock pin
AssigneeSandvik Intellectual Property AB
InventorsRobert Isaksson, Yusuke Seto
Life of this patent
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Abstract
According to the invention, an insert holder (10) exists for indexable cutting inserts. In connection with the insert seat, a clamping device is located, including an L-shaped toggle joint (18) of which one arm (21) is received in a hole (13) in the cutting insert and of which the second arm (22) is actuated by end pressure member (19). Characteristic of the invention is that the hole (13) in the cutting insert is a blind hole and that the end portion of the arm (22) co-operating with the member (19) has a V-shaped cavity (23) in order to enclose a waist portion (24) of the member (19).
Claims5
Cutting tool, including an insert holder (10) and an cutting insert (12) provided with a hole (13), which insert is arranged to rest against a base surface (11) in an insert seat in the front portion of the insert holder, a substantially L-shaped support pin (18) being received in the insert holder and arranged to be received with one arm thereof in the hole (13) of the cutting insert and with the second arm (22) thereof being actuated by a pressure generating member (19), at the tightening of which, the cutting insert is clamped downwards against the base surface (11), characterized in, that
- a) the hole (13) in the cutting insert is a blind hole, and
- b) that the end portion of the second arm, arranged substantially perpendicularly to the arm received in the hole (13), is formed with two wedge-shaped portions (22a, 22b) which between themselves form a V-shaped cavity (23) arranged to partly enclose a waist portion (24) which is more slender in relation to the rest of the member (19).
Dependencies are inferred from the claim text.