Positioning arrangement on a frame member and on a part having t

Details Positioning arrangement on a frame member and on a part having t Positioning arrangement on a frame member and on a part having t

1975-08-19

1977-05-17

Jackmon, E. S.

29179, 58104, G04B 2902, B23P 1300

Patent

active

040233480

ABSTRACT:
The balance cock 35, the train wheel bridge 36 and the barrel bridge 37 are positioned with great precision and univocally on the baseplate 40 by means of an arrangement comprising a pair of feet 38 on every bridge, elongated holes 39 in the baseplate being engaged by feet 38, and securing screws 42, 44, 45 driven into the baseplate 40. Each screw has a conical face on its head and it passes through an opening 41, 46 of the bridge. The conical face of each screw engages the edge of the corresponding bridge opening at one point, thus exerting a thrust on the bridge in the direction of the arrows causing each one of the two feet 38 of a bridge to bear against a plane side wall of the corresponding hole 39 and one foot of each bridge to bear against the rounded end face of its hole.

REFERENCES:
patent: 632128 (1899-08-01), Krahenbuhl
patent: 2685164 (1954-08-01), Grillet et al.

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