Machines for tapping nuts

Details Machines for tapping nuts Machines for tapping nuts

1978-09-01

1980-10-21

Combs, Ervin M.

Cutting by use of rotating axially moving tool

With work-infeed means

Driven by fluid motor

10139WH, 10139WJ, B23G 118, B23Q 526

Patent

active

042291267

ABSTRACT:
A nut tapper comprises a pusher for pushing blanks onto a rotating tap. The pusher is urged towards the tap by a pneumatic piston and cylinder unit and the speed of approach of the pusher towards the tap is limited by a cam and follower mechanism. The pressure in the piston and cylinder unit can be adjusted to vary the force exerted on a blank by the pusher. The piston and cylinder unit and the cam and follower mechanism are disposed together below the pusher and tap.

REFERENCES:
patent: 3197792 (1965-08-01), Haefling
patent: 4064585 (1977-12-01), Loos

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