Land vehicles – Skates – Runner type
Reexamination Certificate
2007-01-05
2009-06-16
Dickson, Paul N. (Department: 3618)
Land vehicles
Skates
Runner type
C280S011120, C280S809000
Reexamination Certificate
active
07547022
ABSTRACT:
Skate and blade assemblies (31) include a mechanism for the removal of the drag tooth (46) to facilitate replication, during sharpening, of the skating surface's (36) rocker profile throughout its entire length. With primary emphasis in avoiding not only the inevitable progressive degradation of the frontal portion of the skating surface but actual profile mutilation because of the projecting drag tooth. Such mutilation commonplace with large diameter grinding wheel types of sharpeners adversely affects a skater's performance, ruining a career opportunity and inevitably an expensive pair of figure skates. The primary component of the mechanism is an attachable-detachable toe-pick element (33) preferably including all or most teeth required of the toe-pick including the drag tooth. Exacting docking provisions (40-44) are provided for the toe-pick element (33) with the skate structure (32) or blade (62). A preferred embodiment adopts a bolted method of fastening wherein a bolt member (34) assembles through a hole (56) in the skate structure (32) engages a threaded cam locking member (35) the cam portion (50) of which engages hole (54) in a flange (55) portion of the toe-pick element (33). Fastening involves the normal threading of the bolt (34) into the cam locking member (35). A final torqueing of this element, for which its hexagon head (52) is provided, effects a camming action of the cam (50) within the hole (54). This forcefully engages docking faces (43) with (41) and (44) with (42) for absolute precise re-docking accuracy and at the same time a locking provision of the fastener means. Assembly and disassembly involves no more than 12 seconds. A slightly smaller toe-pick element can be substituted to double the life of the blade. Hockey skates are adaptable to figure.
REFERENCES:
patent: 2150964 (1939-03-01), Dornseif
patent: 3947050 (1976-03-01), Isely
patent: 4196915 (1980-04-01), Cerny
patent: 6234532 (2001-05-01), Kollen
patent: 423784 (1926-02-01), None
patent: 724419 (1946-08-01), None
Abstracts from the USOC Sports Equipment and Technology Committee Conference Dec. 1988. USOTC Complex Section 6 p. 16,14,22 &Cover.
Final Report USOC Research Project T89/92 -021-A-FS. Figure Skate Development Jan. 4, 1994 by Sidney Broadbent Project Director pp. 11, and 22.
Skateology Manual. Published by Iceskate Conditioning Equipment Co. Author Sidney Broadbent 1985-2006, Appendix & p. 1.1 & 1.4.
American Skating World May 1990 p. 16.
Blade Wellness Gage Information Sheet Published by Iceskate Conditioning Equipment Co.
Dickson Paul N.
Meyer Katy
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