Depth stop assembly for a machine tool

Details Depth stop assembly for a machine tool Depth stop assembly for a machine tool

1993-02-11

1994-10-25

Bonck, Rodney H.

192 clutches and power-stop control

Stop mechanism

Limit stop

192138, F16D 7104

Patent

active

053580877

ABSTRACT:
In a turret mill of the kind in which a doughnut 20 moves with the tool head along a threaded vertical rod 1, a tube 4 is slidably mounted on the rod 1 between end plates 5 and 6 which support a turret 7. The turret 7 can be rotated to bring a series of axially adjustable stop elements 9 into position for contact with the doughnut 20, allowing downward movement of the tool head to be stopped in various quickly selectable positions. Such contact with a stop 9 causes the lower plate 6 to act on a head 3 secured to rod 1, which in turn operates a cutout 17 via a lever 16 to stop vertical feed of the tool head. Upward movement of the doughnut 20 engages the upper plate 5, which acts on the rod 1 via a plunger 25 and lever 26, causing the rod to move downwards. This again operates the cutout 17 to stop the tool head.

REFERENCES:
patent: 2168326 (1939-08-01), Collins
patent: 2342691 (1944-02-01), Plensler
patent: 2417434 (1947-03-01), Mead et al.
patent: 3693773 (1972-09-01), Wickham et al.

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