Gear and method of making the same

Details Gear and method of making the same Gear and method of making the same

2005-09-27

2005-09-27

Compton, Eric (Department: 3726)

Metal working

Method of mechanical manufacture

Gear making

C029S893000, C029S893300, C029S893370

Reexamination Certificate

active

06948245

ABSTRACT:
In order that a worm1is rotated, a clearance (a region constituting a clearance portion between bearings and a worm gear) is formed (FIGS.4(1) to (3)) in an upper surface of a base plate3. A mold12for forming a lower half region of the worm therein is formed (FIG.4(8)). A material5for the worm is deposited (FIG.4(9)) to a height equal to that of a lower half region plus that of an upper half of the worm. An upper half of the worm is formed (FIGS.4(10) to (12). Finally, the material13in the clearance between the base plate3and gear1is removed (FIG.4(13)).

REFERENCES:
patent: 3298219 (1967-01-01), Schober
patent: 2003/0135979 (2003-07-01), Nishi
patent: 2004/0026366 (2004-02-01), Sharon et al.
patent: 06-049670 (1994-02-01), None
patent: 6151547 (1994-05-01), None
patent: 07-054968 (1995-02-01), None
patent: 7055515 (1995-03-01), None
patent: 7177761 (1995-07-01), None
patent: 7191209 (1995-07-01), None
patent: 8127074 (1996-05-01), None
patent: 8174563 (1996-07-01), None
patent: 8281519 (1996-10-01), None
patent: 9056146 (1997-02-01), None
JP 08-127074 JPO English Machine Translation. JPO. 1996.

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