Patent US3852881A successfully refreshed from Google Patents.
US3852881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting blade for use with an oscillating cutting device
Assignee: Richards Manufacturing Co LP
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Filing: 1973-06-11
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Granted: 1974-12-10
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Expires: 1993-06-11
Abstract
Abstract A cutting blade for use in cutting off fracture-fixation pins with an oscillating cutting device. At least one elongated aperture with a plurality of hollow-ground saw teeth located on its periphery is provided on the blade to smoothly cut off the fracture-fixation pins. An attachment member is provided on the cutting blade to attach it to the oscillating cutting device.
Inventors
- 👤 J Treace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:22
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/006; A; A61; A61B; A61B17/00; A61B17/14; A61B17/142; B27; B27B; B27B19/00; B27B19/006; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7793
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
89 words
A cutting blade for use with an oscillating cutting device in cutting off fracture-fixation pins, said cutting blade comprising: a. a body portion having an attachment member for mounting said body portion onto the oscillating cutting device and having an elongated apeRture spaced away from said attachment member; and b. a cutting portion located around the entire periphery of said elongated aperture for allowing said cutting portion to selectively contact all portions of the circumference of the fracture-fixation pin being cut off to smoothly cut off the fracture-fixation pin.
Claim 2
Dependent Claim
89 words
A cutting blade for use with an oscillating cutting device in cutting off fracture-fixation pins, said cutting blade comprising: a. a body portion having an attachment member for mounting said body portion onto the oscillating cutting device and having an elongated apeRture spaced away from said attachment member; and b. a cutting portion located around the entire periphery of said elongated aperture for allowing said cutting portion to selectively contact all portions of the circumference of the fracture-fixation pin being cut off to smoothly cut off the fracture-fixation pin.
Claim 3
Dependent Claim
19 words
The cutting blade of claim 1 in which said cutting portion consists of a plurality of hollow-ground saw teeth.
Claim 4
Dependent Claim
31 words
The cutting blade of claim 2 in which said aperture s located about a curved center line every point of which is equally distant from the center of said attachment member.
Claim 5
Dependent Claim
127 words
A cutting blade for use with a oscillating cutting device in cutting off fracture-fixation pins, said cutting blade comprising: a. a body portion having an attachment member for mounting said body portion onto the oscillating cutting device and having an elongated aperture spaced away from said attachment member and located about a curved center line every point of which is equally distant from the center of said attachment member; b. a cutting portion located on the periphery of said elongated aperture for cutting off the fracture-fixation pin, said cutting portion consisting of a plurality of hollowground saw teeth; and c. a trough-like member located on the periphery of said body portion beneath said elongated aperture for catching any filings produced when the pin is being cut off.
Claim 6
Dependent Claim
127 words
A cutting blade for use with a oscillating cutting device in cutting off fracture-fixation pins, said cutting blade comprising: a. a body portion having an attachment member for mounting said body portion onto the oscillating cutting device and having an elongated aperture spaced away from said attachment member and located about a curved center line every point of which is equally distant from the center of said attachment member; b. a cutting portion located on the periphery of said elongated aperture for cutting off the fracture-fixation pin, said cutting portion consisting of a plurality of hollowground saw teeth; and c. a trough-like member located on the periphery of said body portion beneath said elongated aperture for catching any filings produced when the pin is being cut off.
Claim 7
Dependent Claim
20 words
The cutting blade of claim 4 in which said body portion is circular and includes a plurality of elongated apertures.
Claim 8
Dependent Claim
49 words
The cutting blade of claim 5 in which said body portion includes three elongated apertures and in which said attachment member consists of a triangular stud for mounting onto the oscillating cutting device in one of three positions by means of a triangular chuck of the oscillating cutting device.
Claim 9
Dependent Claim
106 words
A cutting blade for use with an oscillating cutting device in cutting off fracture-fixation pins, said cutting blade comprising: a. a body portion having an attachment member for mounting said body portion onto the oscillating cutting device and having an elongated aperture located about a curved center line every point of which is equally distant from the center of said attachment means; b. a plurality of hollow-ground saw teeth located on the periphery of said elongated aperture; and c. a trough-like member located on the periphery of said body portion beneath said elongated aperture for catching any filings produced when the pin is being cut off.
Claim 10
Dependent Claim
106 words
A cutting blade for use with an oscillating cutting device in cutting off fracture-fixation pins, said cutting blade comprising: a. a body portion having an attachment member for mounting said body portion onto the oscillating cutting device and having an elongated aperture located about a curved center line every point of which is equally distant from the center of said attachment means; b. a plurality of hollow-ground saw teeth located on the periphery of said elongated aperture; and c. a trough-like member located on the periphery of said body portion beneath said elongated aperture for catching any filings produced when the pin is being cut off.
Claim 11
Dependent Claim
21 words
The cutting blade of claim 7 in which said body portion is circular and includes a plurality of said elongated apertures.
Claim 12
Dependent Claim
90 words
The combination with an oscillating cutting device of a cutting blade for use in cutting off fracture-fixation pins, said cutting blade comprising: a. a body portion having an attachment member mounting said body portion onto the oscillating cutting device and having an elongated aperture spaced away from said attachment member; b. a cutting portion located around the entire periphery of said elongated aperture for allowing said cutting portion to selectively contact all portions of the circumference of the fracture-fixation pin being cut off to smoothly cut off the fracture-fixation pin.
Claim 13
Dependent Claim
90 words
The combination with an oscillating cutting device of a cutting blade for use in cutting off fracture-fixation pins, said cutting blade comprising: a. a body portion having an attachment member mounting said body portion onto the oscillating cutting device and having an elongated aperture spaced away from said attachment member; b. a cutting portion located around the entire periphery of said elongated aperture for allowing said cutting portion to selectively contact all portions of the circumference of the fracture-fixation pin being cut off to smoothly cut off the fracture-fixation pin.
Claim 14
Dependent Claim
18 words
The combination of claim 9 in which said cutting portion consists of a plurality of hollow-ground saw teeth.
Claim 15
Dependent Claim
108 words
The combination with an oscillating cutting device of a cutting blade for use in cutting off fracture-fixation pins, said cutting blade comprising: a. a body portion having an attachment member mounting said body portion onto the ocillating cutting device and having an elongated aperture located about a curved center line every point of which is equally distant from the center of said attachment means; b. a plurality of hollow-ground saw teeth located on the periphery of said elongated aperture; and c. a trough-like member located on the periphery of said body portion beneath saId elongated aperture for catching any filings produced when the pin is being cut off.
Claim 16
Dependent Claim
108 words
The combination with an oscillating cutting device of a cutting blade for use in cutting off fracture-fixation pins, said cutting blade comprising: a. a body portion having an attachment member mounting said body portion onto the ocillating cutting device and having an elongated aperture located about a curved center line every point of which is equally distant from the center of said attachment means; b. a plurality of hollow-ground saw teeth located on the periphery of said elongated aperture; and c. a trough-like member located on the periphery of said body portion beneath saId elongated aperture for catching any filings produced when the pin is being cut off.
Claim 17
Dependent Claim
19 words
The combination of claim 11 in which said body portion is circular and includes a plurality of elongated apertures.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |