JP2004340362A5 - - Google Patents

Claims (6)

  A lubricant supply body comprising a laminated structure comprising at least a part in contact with a lubrication site and comprising an outer layer and a lubricant holding layer storing a lubricant, wherein the outer layer is made of metal or resin. A lubricant supply body, wherein the lubricant holding layer is made of needle felt or nonwoven fabric made of synthetic resin fibers that can be replenished, and grease is absorbed, and a lubricant release suppressing means is provided.   As the lubricant release suppressing means, (i) providing a lubricant non-permeable film on at least a part of the lubricant holding layer in contact with the lubrication site and at least a part of the non-corrosion, (ii) holding the lubricant Bake the surface of at least a part of the contact part and the non-contact part of the layer, and (iii) make the contact area of the lubricant retaining layer with the lubrication part smaller than the projected area on the lubrication part. (Iv) forming a slit extending from the surface to a predetermined depth in at least a part of the non-contact portion of the lubricant holding layer, (v) inserting a lubricant non-permeable film into the slit, vi) providing a lubricant non-permeable film between the non-contact portion of the lubrication portion of the lubricant retaining layer and the outer layer or another member; and (vii) dividing the lubricant retaining layer into at least two parts. Lubricant retaining layer pieces Making at least one non-contact with the lubrication site and bringing at least one part into contact with the lubrication site; (viii) dividing the lubricant retention layer into at least two parts, At least one of which is in non-contact with the lubrication site and at least one part is in contact with the lubrication site, and a lubricant holding layer piece that is in contact with the lubrication site and a lubricant holding layer that is not in contact with the lubrication site Interposing a sheet made of a nonwoven fabric in which fibers are bonded or fused to each other between the pieces; (ix) at least one of the divided lubricant holding layer pieces by dividing the lubricant holding layer into at least two parts Non-contact with the lubrication site, and at least one part is brought into contact with the lubrication site, and a non-contact lubricant holding layer piece is formed of needle felt on the lubrication site, The lubricant supply body according to claim 1, wherein at least one of the lubricant holding layer pieces that are in contact with the lubrication site is formed of a nonwoven fabric in which fibers are bonded or fused together. 3. The lubricant supply body according to claim 1, wherein the synthetic fiber has a fiber diameter of 5 to 40 [mu] m . The lubricant supply body according to any one of claims 1 to 3, wherein the grease has a penetration degree of 355 to 430 (JIS K2220). The lubricant non-permeable film is a film formed by melting a surface layer of a needle felt, a film formed of a hot melt adhesive, or a film formed by attaching an adhesive to one side of a synthetic resin film. The lubricant supply body of any one of 1-4. A large number of linearly-moving bodies that are fitted around the shaft and linearly move along the shaft, and are held by a ball groove formed on the inner surface side of the linearly-moving body and roll between the ball groove and the shaft. In the linear motion device having a ball and a circulation path formed in the linear motion body and circulating the ball from one end side to the other end side of the ball groove,
  A linear motion device, wherein the lubricant supply body according to any one of claims 1 to 5 is disposed at at least one end of the linear motion body.