Dial-type timer device

A dial-type timer comprising:

• a body containing a timing mechanism;
• a dial for setting the operating time of said timing mechanism, said dial being provided on a face of said body;
• a first setting ring mounted on an outer periphery of said dial, said first setting ring having a first tooth provided on an outer periphery thereof;
• a second setting ring mounted on an outer periphery of said dial, said second setting ring having a second tooth provided on the outer periphery thereof;
• said first and second setting rings rotating in unison with said dial;
• a stop member associated with said timer face which contacts with said first tooth and said second tooth to limit the range of rotation of said dial.

A dial-type apparatus for setting an operation range of a device, comprising:

• a body containing an operation mechanism;
• a dial for setting an operation range of said device;
• a removably attached cover for covering a face of said body and having an opening through which an dial projects;
• a first setting ring mounted on an outer periphery of said dial;
• and
• a first engaging portion provided on said cover and a second engaging portion provided on said outer periphery of said first setting ring, said first and second engaging portions engaging to determine a rotative portion at which said first setting ring is to be set.

A dial-type apparatus for setting an operation range of a device comprising:

• a body containing an operation mechanism;
• a dial for setting an operation range of said operation mechanism, said dial being provided on a face of said body;
• a first setting ring mounted on an outer periphery of said dial, said first setting ring have a first tooth provided on an outer periphery thereof;
• a second setting ring mounted on an outer periphery of said dial, said second setting ring having a second tooth provided on the outer periphery thereof;
• said first and second setting rings rotating in unison with said dial;
• and
• a stop member associated with said timer face which contacts with said first tooth and said second tooth to limit the range of rotation of said dial.