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US3670712A Expired / Lapsed US ⏱️ 0.0 years remaining

Stabilizer for archery bow

Assignee: Nippon Gakki Co Ltd
•
Filing: 1971-02-17
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Granted: 1972-06-20
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Expires: 1991-02-17
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Abstract

Abstract A stabilizer for an archery bow having a rod portion and a weight body fixed to the free end of the rod portion. The weight body is made into a hollow construction and a mass-body having a suitable mass and weight is supported within the hollow weight body for independent movement by means of a resilient mounting material in such a manner that the mass-body can be vibrated inside of the hollow weight body substantially in all directions.

Inventors

  • 👤 Tadao Izuta

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 05:51
CPC Classifications
F; F41; F41B; F41B5/00; F41B5/14; F41B5/1403; F41B5/1426

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 112 words
In a stabilizer for an archery bow wherein said stabilizer comprises a rod portion and a weight body fixed to the free end of the rod portion, said weight body is made in the shape of a hollow housing with a mass-body having a suitable mass and weight is supported for independent movement within said hollow weight body by means of a resilient material interposed between said weight body and mass-body, so that the mass-body can be vibrated within and independently of said hollow weight body, said rod portion having an end opposite the free end which is adapted to be attached to an archery bow, and said housing being closed ended.
Claim 2
Dependent Claim 112 words
In a stabilizer for an archery bow wherein said stabilizer comprises a rod portion and a weight body fixed to the free end of the rod portion, said weight body is made in the shape of a hollow housing with a mass-body having a suitable mass and weight is supported for independent movement within said hollow weight body by means of a resilient material interposed between said weight body and mass-body, so that the mass-body can be vibrated within and independently of said hollow weight body, said rod portion having an end opposite the free end which is adapted to be attached to an archery bow, and said housing being closed ended.
Claim 3
Dependent Claim 24 words
The structure as claimed in claim 1 wherein said resilient mounting material is made into a ring and receives said mass-body in said ring.
Claim 4
Dependent Claim 23 words
The structure as claimed in claim 1 wherein said mass-body has a groove therearound and said resilient material is fitted within said groove.
Claim 5
Dependent Claim 29 words
The structure as claimed in claim 1 wherein said weight body comprises a pair of casings engaging each other, said resilient member being supported between said pair of casings.

References Cited (Backward Citations)

US3342172A Cited
US3412725A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-06-20 1975-12-20 1976-06-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-20 1979-12-20 1980-06-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-20 1983-12-20 1984-06-20 $7700.00 Window Closed / Lapsed

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