Vibration isolating mount for vibratory pile driver and extracto

Details Vibration isolating mount for vibratory pile driver and extracto Vibration isolating mount for vibratory pile driver and extracto

1991-09-27

1992-12-01

Purol, David M.

Supports

Resilient support

Suspended

248638, F16M 1300

Patent

active

051673967

ABSTRACT:
A vibration isolating mount for use with a vibratory pile driver and extractor is comprised of a pair of identical plates that are spaced from each and are interconnected by a polyether-based urethane center member. Each of the plates are provided with pluralities of attachment holes for attaching the vibration isolating mount between an exciter and a suspension housing of a vibratory pile driver and extractor. Each of the plates is also provided with pluralities of lug holes that are filled with the polyether-based urethane of the center member and provide a mechanical connection between the plates and the center member in addition to a chemical bond adhering the plates to the center member. The structural characteristics of the vibration isolating mount and the polyether-based urethane employed in constructing the mounts provide a vibration isolating mount that is capable of sustaining larger shear stress forces than prior art mounts and is more capable of resisting deterioration by exposure to the environment than are prior art vibration isolating mounts.

REFERENCES:
patent: 3211491 (1965-10-01), Browne et al.
patent: 3343770 (1967-09-01), Szonn
patent: 3803853 (1974-04-01), Kuus
patent: 3929729 (1975-12-01), Chung
patent: 3975007 (1976-08-01), Chorkey
patent: 4198037 (1980-04-01), Anderson
patent: 4806437 (1989-02-01), Yokoi et al.
patent: 4887788 (1989-12-01), Fischer et al.
patent: 5017328 (1991-05-01), Mazurek

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