Damping element, and its installation in a motor-driven hand too

Details Damping element, and its installation in a motor-driven hand too Damping element, and its installation in a motor-driven hand too

1987-05-18

1989-01-31

Schran, Donald R.

Tool driving or impacting

Including means to vibrationally isolate a drive means from...

Handle type holder

248562, 2671401, B25D 1700, F16F 1300

Patent

active

048009652

ABSTRACT:
A damping element for damping three-dimensional and torsional oscillations, in particular in hand tools, is proposed. The damping element includes an approximately bell-shaped rubber spring element defining a cavity which is filled with a damping fluid. The cavity is closed off at its open end with a rubber diaphragm. Within the cavity there is mounted at least one partition which defines overflow conduits or passages, and additional partitions at an angle to the partition defining the overflow conduits. The partition defining the overflow conduits is rigidly joined to a fastening sleeve situated in the rubber spring at the end thereof opposite to its open end.

REFERENCES:
patent: 3824417 (1974-07-01), Moores, Jr.
patent: 4469316 (1984-09-01), Van Den Boom et al.
patent: 4478293 (1984-10-01), Weilenmann et al.
patent: 4576366 (1986-03-01), Gallas et al.

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