Linear drive system

Details Linear drive system Linear drive system

1989-01-18

1989-12-19

McCall, James T.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

74422, 74DIG10, F16H 2702

Patent

active

048874779

ABSTRACT:
To permit constructing flexible belt-rack longitudinal-movement structures of substantial length, not subject to vibration, and inexpensively built, the rack (3) is cast integrally with a slab (2) of plastic concrete. A stiffening rib (33) can be provided in the slab, preferably at the side remote from the movable machine element (7), and preferably formed with a through-bore to attach a tension rod therethrough, so that a plurality of such slabs can be longitudinally connected together. Guide rails (5) are located at the sides of the slab, on which slide bearings (6) are located which, in turn, support a movable carriage, movable along the bed. The carriage carries the drive motor (17) which drives a gear belt (22) for engagement with the rack. Preferably, a cover web (43) covers the rack and accessory rails (41), for example for electrical energy supply and control signals, the web (43) being guided through the machine element structure and retained in position on the top surface of the slab by a flexible plastic strip (50).

REFERENCES:
patent: 4519231 (1985-05-01), Roth
patent: 4670208 (1987-06-01), Koblischeck
patent: 4687361 (1987-08-01), Kikuchi
patent: 4753119 (1988-06-01), Kuspert

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