Chainsaw guide bar

Details Chainsaw guide bar Chainsaw guide bar

1995-04-25

1997-01-28

Payer, Hwei-Siu

Cutlery

Cutting tools

Saw

30387, B27B 1702

Patent

active

055968112

ABSTRACT:
Guide bar for saw chain, where the chain is supported by a nose sprocket while traversing the front end. Regions of the edges of the guide bar are locally hardened to a higher hardness than the rest of the guide bar. The regions of hardness are where the chain impacts the bar near an attachment end of the guide bar after having left the drive sprocket of the power socket, and where the chain settles on the guide bar edge after having been supported by the nose sprocket while traversing the nose curvature, where a cutting action occurs on the bar, but omitted in an area delineated from a point adjacent the oil holes at the attachment end to a point before where a majority of the cutting action occurs.

REFERENCES:
patent: 1397026 (1921-11-01), Wolf
patent: 1526451 (1925-02-01), Wolf
patent: 2774395 (1956-12-01), Tweedie
patent: 2897856 (1959-08-01), Carlton
patent: 2948309 (1960-08-01), Hoff et al.
patent: 2962812 (1960-12-01), Gommel
patent: 3102562 (1963-09-01), Horncastle
patent: 3119418 (1964-01-01), Rayniak et al.
patent: 3185191 (1965-05-01), Olsen
patent: 3241228 (1966-03-01), Rayniak et al.
patent: 3377214 (1968-04-01), Woodbridge et al.
patent: 3416578 (1968-12-01), Irgens
patent: 3473581 (1969-10-01), Merz
patent: 3542094 (1970-11-01), Gibson et al.
patent: 3726326 (1973-04-01), Coleman
patent: 3744363 (1973-07-01), Espana et al.
patent: 3760141 (1973-09-01), Espana et al.
patent: 3840991 (1974-10-01), Arff et al.
patent: 3858321 (1975-01-01), Contay
patent: 3987543 (1976-10-01), Ratz et al.
patent: 3991799 (1976-11-01), Albright
patent: 4138813 (1979-02-01), Harada et al.
patent: 4415378 (1983-11-01), McKinney et al.
patent: 4641432 (1987-02-01), Kume
patent: 4693007 (1987-09-01), Apfel et al.
patent: 4722141 (1988-02-01), Lim et al.
patent: 4768289 (1988-09-01), Apfel et al.
patent: 4874437 (1989-10-01), Masuda et al.
patent: 4958670 (1990-09-01), Johnson
patent: 4965934 (1990-10-01), Eriksson et al.
patent: 5052109 (1991-10-01), Vanderzanden et al.
patent: 5093998 (1992-03-01), Seigneur et al.
patent: 5144867 (1992-09-01), Yajima et al.
Pp. 564-565 and 588 from Deposition Testimony of Robert C. Payne, vol. 6, Jul. 27, 1995, in Blount, Inc. v. Sandvik Windsor Corp., Case No. CV 95-272, United States District Court for the District of Columbia (Proprietary--Submitted Under Seal).

Affiliated with

Also associated with

Rating

Chainsaw guide bar does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Chainsaw guide bar, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chainsaw guide bar will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-935462