Patent US3798739A successfully refreshed from Google Patents.
US3798739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating hammer
Assignee: Unique Machine Tool Co Inc
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Filing: 1972-05-19
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Granted: 1974-03-26
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Expires: 1992-05-19
Abstract
Abstract The invention teaches a novel rotating hammer having an eccentric perimeter which may be a plurality of radially disposed striking points which, in a preferred embodiment, comprise rotably supported cylinders. The device is simpler to manufacture, more durable, substantially quieter in operation and requires less power to operate than prior art devices.
Inventors
- 👤 A Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:34
CPC Classifications
B; B27; B27D; B27D5/00; B27D5/003; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
95 words
A device for applying a T-mold nosing and the like to a work piece, comprising: a. A table having a surface; b. A rotating hammer operatively disposed at the surface of said table and having an axis of rotation and a body having a plurality of radially spaced striking means equidistant from the axis of rotation such that a work piece having a channel for reception of a T-mold nosing or the like can be supported on said table surface and the T-mold nosing can be applied by urging the work piece against the hammer.
Claim 2
Independent Claim
95 words
A device for applying a T-mold nosing and the like to a work piece, comprising: a. A table having a surface; b. A rotating hammer operatively disposed at the surface of said table and having an axis of rotation and a body having a plurality of radially spaced striking means equidistant from the axis of rotation such that a work piece having a channel for reception of a T-mold nosing or the like can be supported on said table surface and the T-mold nosing can be applied by urging the work piece against the hammer.
Claim 3
Dependent Claim
19 words
The device of claim 1 wherein said hammer is disposed within a well in the surface of said table.
Claim 4
Independent Claim
72 words
A device for applying T-mold nosing and the like to a work piece, comprising in combination: a work piece having a suitable channel for receiving the stem of a T-mold nosing and a rotary hammer having a body with radially spaced striking means; said device adapted to be operated by urging said work piece against the perimeter of said hammer to apply the T-mold nosing to the channel of the work piece.
Claim 5
Independent Claim
72 words
A device for applying T-mold nosing and the like to a work piece, comprising in combination: a work piece having a suitable channel for receiving the stem of a T-mold nosing and a rotary hammer having a body with radially spaced striking means; said device adapted to be operated by urging said work piece against the perimeter of said hammer to apply the T-mold nosing to the channel of the work piece.
Claim 6
Dependent Claim
27 words
The device of claim 3 with the addition of a table having a surface disposed to support the work piece as it is urged against the hammer.
Claim 7
Dependent Claim
24 words
The device of claim 1 wherein the radially spaced striking points comprise cylinders rotatably disposed in the perimeter of the body of said hammer.
Claim 8
Dependent Claim
24 words
The device of claim 2 wherein the radially spaced striking points comprise cylinders rotatably disposed in the perimeter of the body of said hammer.
Claim 9
Dependent Claim
24 words
The device of claim 3 wherein the radially spaced striking points comprise cylinders rotatably disposed in the perimeter of the body of said hammer.
Claim 10
Dependent Claim
24 words
The device of claim 4 wherein the radially spaced striking points comprise cylinders rotatably disposed in the perimeter of the body of said hammer.
References Cited (Backward Citations)
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US2905033A
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US2989102A
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US3192756A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |