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US3770033A
Expired / Lapsed
US
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Molded handle for impact tools
Assignee: IXL Manufacturing Co Inc
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Filing: 1971-12-10
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Granted: 1973-11-06
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Expires: 1991-12-10
Abstract
Abstract The disclosure concerns easily replaceable handles for impact tools, such as hammers, axes and sledges, which comprise a molded body made of a rigid structural plastic foam, and a reinforcing core made of a higher strength material.
Inventors
- 👤 C Gavillet
- 👤 D Hagmeier
- 👤 G Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:48
CPC Classifications
B; B25; B25G; B25G1/00; B25G1/10; Y; Y10; Y10S; Y10S273/00; Y10S273/08
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
54 words
A replaceable handle for an impact tool comprising a molded body (11) of rigid structural plastic foam which surrounds a rigid reinforcing core (12) made of a higher strength material, said body (11) having high density regions (13, 14) at its inner and outer peripheral surfaces and an intermediate region (15) of lower density.
Claim 2
Dependent Claim
54 words
A replaceable handle for an impact tool comprising a molded body (11) of rigid structural plastic foam which surrounds a rigid reinforcing core (12) made of a higher strength material, said body (11) having high density regions (13, 14) at its inner and outer peripheral surfaces and an intermediate region (15) of lower density.
Claim 3
Dependent Claim
29 words
A handle as defined in claim 1 which has an eye-engaging portion (16) at one end in which the body (11) is composed essentially of said high density regions.
Claim 4
Dependent Claim
26 words
A handle as defined in claim 1 in which the core has an oblong cross section and extends longitudinally between the opposite ends of the handle.
Claim 5
Dependent Claim
30 words
A handle as defined in claim 3 in which the core (12) is a rod of polyester resin reinforced with glass fibers and has a uniform oval cross section end-to-end.
References Cited (Backward Citations)
US2940492A
Cited
US3478134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |