Rolling guide unit

Details Rolling guide unit Rolling guide unit

2005-07-29

2009-12-29

Hannon, Thomas R (Department: 3656)

Bearings

Linear bearing

Recirculating

C384S013000

Reexamination Certificate

active

07637662

ABSTRACT:
A rolling guide unit as provided here is capable of raising the degree of flexibility in design and simplifying the control of lubricating oil and has a low sliding resistance to the rolling elements. The rolling guide unit is provided with a cylindrical member2through which a rail1passes for it to slide on, raceway paths a constituted of a combination of the cylindrical member2and the rail1, circuit paths b formed in the cylindrical member2and each making interconnection between the two ends of each of the raceway paths a by way of direction-changing recesses18, and a plurality of rolling elements19placed in the circuit paths b and the raceway paths a. The rolling elements19circulate in the circuit paths b and the raceway paths a in accordance with the relative movement between the rail1and the cylindrical member2. The rolling guide unit is characterized by mounting holes20formed in the cylindrical member2; oiled members21respectively installed in the mounting holes20; and oil-supply members23each provided along the contact faces of the rolling elements19traveling through either the raceway path a or the circuit path1. The oil-supply members23are in contact with the oiled members21.

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