Self-reversing tapping attachment with shock absorption

Details Self-reversing tapping attachment with shock absorption Self-reversing tapping attachment with shock absorption

1996-09-24

1999-02-02

Bishop, Steven C.

Cutting by use of rotating axially moving tool

Tool or tool-support with torque-applying clutch

192 4891, 192 67, 408143, 470181, B23G 302

Patent

active

058655751

ABSTRACT:
A self-reversing tapping attachment comprises a forward drive member and a reverse drive member drivingly engageable with a tap spindle drive member, as well as gear members drivingly engageable with the forward drive member and the reverse drive member, and includes shock absorbers cushioning impact between the driver members and the gear members. An exchangeable chuck holding a tap is detachably mountable on the tap spindle driver, permitting use of taps of different weight and material.

REFERENCES:
patent: 3717892 (1973-02-01), Johnson
patent: 3999642 (1976-12-01), Johnson
patent: 4705437 (1987-11-01), Johnson
patent: 4832542 (1989-05-01), Johnson et al.
patent: 5203651 (1993-04-01), Johnson
patent: 5263799 (1993-11-01), Blessing
U.S. applicaton No. 08/218,257, Johnson, filed Mar. 28, 1994.

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