Measuring head

Geometrical instruments – Distance measuring – Opposed contacts

Reexamination Certificate

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Reexamination Certificate

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11455814

ABSTRACT:
A unit damper apparatus18is used as a damper apparatus18which absorbs an impact and a vibration conveyed from a contact14to a seesaw member12, and a structure of this unit damper apparatus18is the structure which absorbs circular movement of the seesaw member12or performs the circular movement in accordance with that of the seesaw member12, where a damper effect does not fluctuate according to an angle of inclination of the seesaw member12.

REFERENCES:
patent: 4035922 (1977-07-01), Von Voros
patent: 4279079 (1981-07-01), Gamberini et al.
patent: 4845646 (1989-07-01), Marquis et al.
patent: 5454175 (1995-10-01), Li
patent: 5537754 (1996-07-01), Bachmann et al.
patent: 6019664 (2000-02-01), Tsai et al.
patent: 6295866 (2001-10-01), Yamamoto et al.
patent: 6920698 (2005-07-01), Dall'Aglio et al.
patent: 53-76483 (1978-07-01), None

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