Abstract: Provided is an insert member for an open end wheel nut, which is capable of improving the workability of dressing up the car in the case of mounting a wheel using the open end wheel nuts. An insert member 1 for an open end wheel nut includes a shaft body 2 provided on an outer periphery thereof with a male thread 2a to be screwed on a female thread portion 10a of an open end wheel nut 10 from one end thereof. The shaft body 2 includes: a hexagonal hole 5 provided at an opening on the one end of the open end wheel nut 10; and a recess 2b provided at an opening on the other end of the open end wheel nut 10. A spring 3 that urges the shaft body 2 in an axial direction thereof is provided in the recess 2b.

Abstract: Provided are: a cap member, which is applicable to a wheel mounting nut and is less likely to deteriorate its appearance even if attachment and removal thereof is repeated; and a method of mounting a wheel using the cap member. A cap member 1 includes: a shaft portion 11 provided with a male thread 11a to be screwed on a base end portion of a female thread 2a of a wheel mounting nut 2; and a cover portion 12 that is integrally formed with a base end of the shaft portion 11 and covers a base end opening of the wheel mounting nut 2. The shaft portion 11 is provided on a distal end thereof with a hexagonal hole 13, which serves as a tool engagement portion.

Abstract: A wheel mounting bolt includes a male thread portion, a collar portion, an engagement portion, and a protruding shaft portion. The male thread portion has a first end portion and a second end portion opposite to the first end portion in an axial direction of the male thread portion to be threadedly engaged, from the first end portion, with a female thread portion of a hub. The collar portion is provided between the first end portion and the second end portion of the male thread portion to fit into a bolt insertion hole of a wheel. The engagement portion is provided at the second end portion of the male thread portion integrally with the male thread portion to be gripped by a fastening tool. The protruding shaft portion protrudes from the engagement portion toward a direction opposite to the first end portion and is provided with male threads.

Abstract: A wheel mounting bolt includes a male thread portion, a collar portion, an engagement portion, and a protruding shaft portion. The male thread portion has a first end portion and a second end portion opposite to the first end portion in an axial direction of the male thread portion to be threadedly engaged, from the first end portion, with a female thread portion of a hub. The collar portion is provided between the first end portion and the second end portion of the male thread portion to fit into a bolt insertion hole of a wheel. The engagement portion is provided at the second end portion of the male thread portion integrally with the male thread portion to be gripped by a fastening tool. The protruding shaft portion protrudes from the engagement portion toward a direction opposite to the first end portion and is provided with male threads.

Abstract: A special shape inner peripheral surface connected to a base end side of a female thread and set to be rotatable only by a first special purpose tool is formed in a nut main body. A cap is constituted by a shaft portion which is inserted to the special shape inner peripheral surface of the nut main body and having a male thread threaded with a base end portion of the female thread of the nut main body in a leading end side, and a head portion provided in abase end side of the shaft portion.

Abstract: A special shape inner peripheral surface connected to a base end side of a female thread and set to be rotatable only by a first special purpose tool is formed in a nut main body. A cap is constituted by a shaft portion which is inserted to the special shape inner peripheral surface of the nut main body and having a male thread threaded with a base end portion of the female thread of the nut main body in a leading end side, and a head portion provided in abase end side of the shaft portion.

Abstract: A cap having an antitheft lock for a fastening member and comprising a cap body (1) covering a polygonal engaging portion of the fastening member (A) and having a cavity (2) formed in the front end face of a side portion thereof, a bore (3) extending from the cavity (2) rearward therethrough and an inward slanting guide face (4) formed in the inner periphery of the cap body (1) and extending from the bore (3) toward the rear end of the cap body, a pressure contact piece (7) having an outward slanting face (6) positioned inwardly of and opposed to the inward slanting face (4) for preventing the cap from slipping off, and a screw (5) inserted through the cavity (2) into the bore (3) and having a rear end screwed into the contact piece (7) and a head (5a) bearing on the bore edge portion.

Abstract: A lock assembly useful in coupling a tire assembly to a wheel which is locked and unlocked by a magnetic key.