Lead screw and follower assembly

Details Lead screw and follower assembly Lead screw and follower assembly

1981-10-09

1984-04-03

Staab, Lawrence J.

Machine element or mechanism

Gearing

Directly cooperating gears

74 8915, F16H 118, F16H 2702, F16H 120

Patent

active

044400381

ABSTRACT:
A lead screw and follower assembly employs a specially formed helical thread and a follower assembly employing bearings which ride on the several surfaces of the helical thread, thereby providing essentially frictionless motion and also preventing deflection of the lead screw during operation. The lead screw is preferably formed of a synthetic material such as polycarbonate incorporating glass fibers and the bearings are either roller or ball bearings.

REFERENCES:
patent: 3308674 (1967-03-01), Maroth
patent: 3329036 (1967-07-01), Whittaker
patent: 3443443 (1969-05-01), Spence
patent: 3648535 (1972-03-01), Maroth
patent: 4052906 (1977-10-01), Genini
patent: 4322987 (1982-04-01), Gartner
patent: 4349284 (1982-09-01), Andersson

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