Land vehicles: wheels and axles – Wheel – Skate wheel
Patent
1995-01-10
1997-02-11
Stormer, Russell D.
Land vehicles: wheels and axles
Wheel
Skate wheel
3011242, A63G 1700
Patent
active
056013426
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a device for inserting and removing rollers in single-track roller skates, in which the roller axles are inserted into aligned openings of a frame and mounted in the openings, wherein the roller axle has, at one of its free ends, a circumferential groove or an opening, for receiving a removable locking member or pin.
In order to secure the rollers in this kind of single-row roller skates, it is already known, for example, to insert a bolt having a relatively large head into aligned openings through the roller, whereupon the free end is secured by a nut. For the exact mounting of rollers in a frame that can be connected to a shoe or can be made integral with the shoe, use can be made of mounting components in the openings of the frame, as is already known for example from U.S. Pat. No. 4,909,523. Also disclosed in U.S. Pat. No. 4,909,523 is the construction of a bearing component which makes possible two different vertical positions of the axles of the rollers, but in which, for this construction, it is a prerequisite that the opening in the frame be other than circular, so that the mounting components can be inserted into the openings in two different positions.
All known devices for securing such rollers require the use of monkey wrenches or Allen keys for the securement, and thus one must carry a particular tool for the replacement of rollers. Furthermore, with this kind of device for inserting and removing rollers, the components, and particularly the attachment components like nuts, are not secured against misplacement, and can thus become lost.
An aim of the invention is to provide a particularly simple apparatus in which the components required for the secure installation of axles and rollers can be secured easily against loss, and in which it is possible to quickly assemble or exchange parts without requiring the help of tools.
To attain this aim, the device according to the invention, based on the above-mentioned device, essentially requires that at the other end of the roller axle there be provided a bolt lever which is pivotally mounted transverse to the roller axle, and tightens the roller axle against the releasable locking member in a locking position. By providing the axle at one of its free ends with a circumferential groove or engagement recess, a locking member which is pivotable or is secured to a flexible tension member, for example a locking bolt or a pivotable hook, can be engaged with the circumferential groove or engagement recess, such that the axle can be secured against axial displacement in the direction of tension. In this construction, the securement can be obtained by providing a bolt lever at the other end of the axle, transverse to the axle, and pivotally connected, whereby a simple rotation of this bolt lever about the axle gives rise to an axial pull, resulting in an immediate tensioning of the axle against the removable locking member. Accordingly, a simple adjustment of a bolt lever results in a secure attachment, such that the axle and the roller can be removed by releasing the bolt lever, whereupon the locking pin or releasable locking member can be disengaged without requiring force, and the axle can be withdrawn. Accordingly, there is provided an axle which can be withdrawn particularly quickly without the help of tools, and in which all components necessary for the locking, can be secured against loss. This makes possible a quick replacement of rollers, especially to obtain different running characteristics.
In a particularly simple manner, the construction is so arranged that the releasable locking member has the form of a hook pivotally mounted about an axis parallel to the axle, the hook engaging the circumferential groove in the axle when in the locked position. This construction provides a locking member which lies flat against the side and is secured against loss, which locking member, due to the generally low weight, resists destruction even when hard to insert, and cannot be released from engagement without the simultaneous loosening
REFERENCES:
patent: 988533 (1911-04-01), Zverina
patent: 4805941 (1989-02-01), Downing et al.
patent: 5088748 (1992-02-01), Koselka et al.
patent: 5183275 (1993-02-01), Hoskin
patent: 5441286 (1995-08-01), Pozzobon
Koflach Sport Gesellschaft m.b.H. & Co. KG
Stormer Russell D.
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