An elastic roller includes: a roller shaft; and an elastic member. The elastic roller includes an inner layer side elastic member, and a coating layer. The inner layer side elastic member includes a base layer and an intermediate layer located from the roller shaft in this order. The base and intermediate layers have a rubber hardness of 30 to 80 degrees that is measured by a durometer type A in accordance with the standard of JIS K 6253. The rubber hardness of the base layer is more than that of the intermediate layer. The coating layer is made of a silicone resin, and has a thickness of 10 to 100 m. The silicone resin has a hardness of 20 degrees or less that is measured using a spring-based Asker C type in accordance with SRIS 0101 standard. The inner layer side elastic member has a plurality of internal grooves along a circumferential direction. Each of the internal grooves has a width of 25 to 1,300 m, and has a depth of 25 to 500 m. Each of the internal grooves has a V-shaped in cross section and has a groove angle of 50 to 120 degrees.

A conveying apparatus includes: a casing formed with a first sheet-conveyance passage and a second sheet-conveyance passage positioned inwardly as compared with the first sheet-conveyance passage; a cover member including a first resin member having a first guide surface for defining the first sheet-conveyance passage, a second resin member attached to the first resin member and located on an inner side of the casing than the first guide surface and defining the first sheet-conveyance passage, and a third resin member attached to the second resin member at a position opposite to the first resin member with respect to the second resin member and having a third guide surface for defining the second sheet-conveyance passage; and a metal frame attached to the second resin member at a position between the second resin member and the third resin member.

A sheet stacking device includes a sheet stacker, a pair of sheet restrictors, and a stacking adaptor. The sheet stacker has a first sheet stacking face on which a bundle of sheets is stacked. The sheet stacker includes a leading end support to support a leading end of the bundle of sheets in a feeding direction by a second sheet stacking face and a pair of cutouts disposed upstream from the leading end support. The pair of sheet restrictors slide in the pair of cutouts in a width direction orthogonal to the feeding direction to regulate a position of the bundle of sheets. The stacking adaptor is detachably attached to the sheet stacker to cover the pair of cutouts. The stacking adaptor has a third sheet stacking face to support a portion of the bundle of sheets disposed at the pair of cutouts.

An elastic roller includes: a roller shaft; and an elastic member. The elastic roller includes an inner layer side elastic member, and a coating layer. The inner layer side elastic member has a rubber hardness of 30 to 80 degrees that is measured by a durometer type A in accordance with the standard of JIS K 6253. The inner layer side elastic member has a tear strength of 25 N/mm or more that is measured using an unnicked angle-shaped test piece in accordance with JIS K 6252. The coating layer is made of silicone resin, and has a thickness of 10 to 100 m. The silicone resin has hardness of 20 degrees or less that is measured using a spring-based Asker C type in accordance with SRIS 0101 standard. The inner layer side elastic member has a plurality of internal grooves along a circumferential direction. Each of the internal grooves has a width of 25 to 1,300 m, and has a depth of 25 to 500 m. Each of the internal grooves has a V-shaped in cross section and has a groove angle of 50 to 120 degrees.

A magnetic sheet transport apparatus according to an embodiment includes a transport path on which a magnetic sheet having a magnetic flux is transported. A magnetic member is disposed on the transport path. A separation unit is disposed on the magnetic member. The separation unit causes the magnetic sheet to be separated from the magnetic member so that the magnetic sheet being transported on the transport path is not pushed onto the magnetic member by the magnetic flux.

An elastic roller includes: a roller shaft; and an elastic member. The elastic roller includes an inner layer side elastic member, and a coating layer. The inner layer side elastic member includes a base layer and an intermediate layer located from the roller shaft in this order. The base and intermediate layers have a rubber hardness of 30 to 80 degrees that is measured by a durometer type A in accordance with the standard of JIS K 6253. The rubber hardness of the base layer is more than that of the intermediate layer. The coating layer is made of a silicone resin, and has a thickness of 10 to 100 m. The silicone resin has a hardness of 20 degrees or less that is measured using a spring-based Asker C type in accordance with SRIS 0101 standard. The inner layer side elastic member has a plurality of internal grooves along a circumferential direction. Each of the internal grooves has a width of 25 to 1,300 m, and has a depth of 25 to 500 m. Each of the internal grooves has a V-shaped in cross section and has a groove angle of 50 to 120 degrees.

An elastic body roller which has an excellent non-stick property or release property, and frictional force (gripping force) and is able to stably feed and guide a belt-shaped member such as a linerless label, a typical liner label, or the like is provided. Attention has been paid to coating an outer layer of an inner layer elastic material member having a silicone resin (a outer layer elastic material member) with a C hardness (hardness by a spring-type Asker C type defined in the SRIS 0101 standard) set low. An elastic material member of an elastic body roller has an inner layer elastic material member provided on the outer periphery of a roller shaft, and a outer layer elastic material member provided on the outer periphery of the inner layer elastic material member and being in contact with a belt-shaped member, and the outer layer elastic material member is formed from a silicone resin with a C hardness of 20 degrees or less.

An elastic roller includes: a roller shaft; and an elastic member. The elastic roller includes an inner layer side elastic member, and a coating layer. The inner layer side elastic member has a rubber hardness of 30 to 80 degrees that is measured by a durometer type A in accordance with the standard of JIS K 6253. The inner layer side elastic member has a tear strength of 25 N/mm or more that is measured using an unnicked angle-shaped test piece in accordance with JIS K 6252. The coating layer is made of silicone resin, and has a thickness of 10 to 100 m. The silicone resin has hardness of 20 degrees or less that is measured using a spring-based Asker C type in accordance with SRIS 0101 standard. The inner layer side elastic member has a plurality of internal grooves along a circumferential direction. Each of the internal grooves has a width of 25 to 1,300 m, and has a depth of 25 to 500 m. Each of the internal grooves has a V-shaped in cross section and has a groove angle of 50 to 120 degrees.

An image forming apparatus includes a conveying guide and a sheet member. The conveying guide is provided in a joining section and guides a sheet to a conveying roller pair along a main conveying path. The sheet member is provided in the joining section and configured to form a lower conveying path with the conveying guide and to guide the sheet from an upper conveying path toward the main conveying path. The conveying guide has a convex guide part and planer guide parts. The convex guide is provided at a center portion and projects toward the sheet member. The planer guide parts are provided on both sides of the convex guide part. A first gap formed between the convex guide part and the sheet member is narrower than a second gap formed between the planer guide part and the sheet member.

A sheet feed roller (1) is provided, which is formed of an elastomer composition containing a thermoplastic elastomer, a spherical filler and a low friction silicone compound, and has a friction coefficient of not greater than 0.5. A production method is also provided, which includes the step of extruding the elastomer composition through a die configured as corresponding to a sectional shape of the sheet feed roller.