Geometrical instruments – Gauge – Coordinate movable probe or machine
Patent
1986-09-29
1988-07-05
Cuchlinski, Jr., William A.
Geometrical instruments
Gauge
Coordinate movable probe or machine
74 8915, G01B 703
Patent
active
047545542
ABSTRACT:
A coordinate measuring machine (1) of the type having a plurality of movable members, a probe (2), carriage (5), and bridge (6), each movable along an orthogonal axis adjacent member (16), in which a selectively engageable fine feed mechanism (10) is disclosed providing a limited range of precision adjustment of movement each movable member anywhere along the total range of member movement. The mechanism (10) includes a pair of opposing locking elements (18), selectively spreadable to frictionally engage a slot (20) formed in the adjacent member (16); and also including an adjustment knob (44) axially fixed relative to the locking elements in mounting plate (12) attached to a movable member or fixed member, rotation of the adjustment knob (44) allowing precision adjustment of the position of the movable member after the locking element (18) is engaged with the slot (20).
The alternate embodiment of mechanism (10) includes a pair of opposing locking elements (80, 82) selectively speadable to frictionally engage a slot (20) formed in the adjacent member (16); and including an adjustment knob (108) axially fixed relative to the locking elements and threadably engaging a mounting plate (12) attached to a movable member or fixed member, rotation of the adjustment knob (108) allowing precision adjustment of the position of the movable member after locking elements (80, 82) are engaged with the slot (20).
REFERENCES:
patent: 2283089 (1942-05-01), Pfauser
patent: 3057599 (1962-10-01), Clatterbuck
patent: 3165834 (1965-01-01), Benton
patent: 3384970 (1968-05-01), Avalear
patent: 3628386 (1971-12-01), Blum
patent: 3817111 (1974-06-01), Allen
patent: 3840993 (1974-10-01), Shelton
Benefiel John R.
Cuchlinski Jr. William A.
Eifler Raymond J.
Scanlon Patrick R.
The Warner & Swasey Company
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