Reduction gear

Details Reduction gear Reduction gear

1991-06-10

1992-09-08

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

74 8917, 74425, 248429, 297330, 384610, 384616, 384427, B60N 206, F16H 5522

Patent

active

051448491

ABSTRACT:
A reduction gear is shown, which is designed to facilitate assembly of essential parts in a case. The reduction gear comprises a worm; a worm wheel meshed with the worm; a lower case part having a semicylindrical recess which rotatably receives the worm, and an upper case part to be mounted on the lower case part to close the semicylindrical recess. The semicylindrical recess has an opening which is so sized as to permit insertion of the worm into the semicylindrical recess therethrough. A threaded bore is formed in the lower case part, which is merged and aligned with the semicylindrical recess. A bolt is screwed into the threaded bore having its inside end pressed against one axial end of the worm for achieving a stable rotation of the worm in the semicylindrical recess.

REFERENCES:
patent: 1181384 (1916-05-01), Heaslet
patent: 1520679 (1924-12-01), Tenney
patent: 1843081 (1932-01-01), Denyes
patent: 2232157 (1941-02-01), Anton
patent: 2724283 (1955-11-01), Kuboske
patent: 3277678 (1966-10-01), Booth
patent: 3455174 (1969-07-01), Pickles
patent: 3635100 (1972-01-01), Littmann
patent: 4566576 (1986-01-01), Moriya et al.
patent: 4863209 (1989-09-01), Deegener
patent: 4909468 (1990-03-01), Aihara et al.

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