Vegetation trimmer head

Details Vegetation trimmer head Vegetation trimmer head

1998-07-22

2000-04-25

Payer, Hwei-Siu

Cutlery

Cutting tools

With blade moving means

30347, 56 127, A01D 3473

Patent

active

060529075

ABSTRACT:
A durable one-piece vegetation trimmer head molded from a polymeric material provides ease in attachment and removal from standard vegetation trimmers. The trimmer head is fitted with three rotatable, rigid blades which extend during use. The trimmer head has a spool-like shape and includes a central channel having a conically-shaped opening along the bottom surface to assist the operator in attachment and removal of the trimmer head from the trimmer drive shaft. The preferred embodiment provides for threaded attachment to the trimmer drive shaft and in one alternate embodiment the trimmer head includes a pair of opposing spring grooves. In another alternate embodiment, various flexible trimmer line configurations can be fitted into a two-piece trimmer head which is threadably joined. A rigid trimmer blade is also disclosed which is formed from stainless steel.

REFERENCES:
patent: D280903 (1985-10-01), Barbula
patent: D299484 (1989-01-01), Lee
patent: 2115265 (1938-04-01), Jennett
patent: 2476394 (1949-07-01), Webb et al.
patent: 3690051 (1972-09-01), Wood
patent: 3826068 (1974-07-01), Ballas et al.
patent: 3831278 (1974-08-01), Voglesonger
patent: 3859776 (1975-01-01), Ballas et al.
patent: 3877146 (1975-04-01), Pittinger
patent: 4047299 (1977-09-01), Bair
patent: 4062115 (1977-12-01), Lee
patent: 4086700 (1978-05-01), Inada
patent: 4097991 (1978-07-01), Proulx
patent: 4107841 (1978-08-01), Rebhun
patent: 4114354 (1978-09-01), Morris
patent: 4118865 (1978-10-01), Jacyno et al.
patent: 4126990 (1978-11-01), Fisher et al.
patent: 4145809 (1979-03-01), Proulx
patent: 4190954 (1980-03-01), Walto
patent: 4202094 (1980-05-01), Kalmar
patent: 4203212 (1980-05-01), Proulx
patent: 4249311 (1981-02-01), Inaga
patent: 4259782 (1981-04-01), Proulx
patent: 4274201 (1981-06-01), Oberg et al.
patent: 4310970 (1982-01-01), Evenson et al.
patent: 4356686 (1982-11-01), Lessig, III
patent: 4476632 (1984-10-01), Proulx
patent: 4569134 (1986-02-01), Kobayashi
patent: 4584771 (1986-04-01), Tillotson
patent: 4644655 (1987-02-01), Bottamiller et al.
patent: 4685279 (1987-08-01), Gullett
patent: 4707919 (1987-11-01), Tsuchiya
patent: 4790071 (1988-12-01), Helmig et al.
patent: 4817288 (1989-04-01), Hirose et al.
patent: 4856194 (1989-08-01), Lee
patent: 4866846 (1989-09-01), Hoffmann et al.
patent: 4942664 (1990-07-01), Zatulovsky
patent: 4959904 (1990-10-01), Proulx
patent: 5048278 (1991-09-01), Jones et al.
patent: 5430943 (1995-07-01), Lee
patent: 5491962 (1996-02-01), Sutliff et al.
patent: 5617636 (1997-04-01), Taggett et al.
patent: 5640836 (1997-06-01), Lingerfelt
patent: 5659964 (1997-08-01), Lawrence
patent: 5836227 (1998-11-01), Dees, Jr. et al.
patent: 5852876 (1998-12-01), Wang
Sketch of various view of Oregon trimmer head--undated.
Photocopy of advertisement for Weed Blaster device--undated.
Copies of two pages of drawings (Figs. 1-7) of applicant's previous application Seriol No. 08/736,708 filed Oct. 28, 1996.

Affiliated with

Also associated with

Rating

Vegetation trimmer head does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-983610