Cutting – Means to drive or to guide tool – Plural tools selectively engageable with single drive
Patent
1989-05-22
1990-05-29
Watts, Douglas D.
Cutting
Means to drive or to guide tool
Plural tools selectively engageable with single drive
83139, 83146, 83563, 83618, B26F 108
Patent
active
049292765
ABSTRACT:
A multitool punch holder (12) having a head member (26) coupled to a punch press ram (16) as the press upper turret plate (22) rotates to bring the punch holder (12) into alignment with the ram (16). The punch holder (12) includes a rotary tool carrier (56) carrying a series of punches (80), each able to be selectively rotated into alignment beneath a striker rod (100) slidably mounted in a non rotating body member (30). Stroking of the ram (16) causes an engagement feature (108) to engage the striker rod (100) when the head member (26) telescopes into the body member (30) after axial movement of the holder (12) is arrested by contact with the workpiece (120). The striker rod (100) is then driven to force the coupled individual punch (80) into the workpiece (120). The striker rod (100) is urged to a raised position by an encircling stripper spring (110). A separation spring (42) urges the ram (16) and body member (30) to retracted position with the striker rod (100) out of engagement with the ram engagement feature (108). A detachable striker plate (88) of urethane provides non-marring contact with the workpiece (120).
REFERENCES:
patent: 3049038 (1958-11-01), Friedland
patent: 3160046 (1962-08-01), Bredow
patent: 3527130 (1970-09-01), Knehans
patent: 3765285 (1973-10-01), Achler et al.
Chun Victor L.
Hunter James R.
Jaworski George
Benefiel John R.
Eifler Raymond J.
Murata Wiedemann, Inc.
Peterson Kenneth E.
Watts Douglas D.
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