IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0852170
(2001-05-10)
|
발명자
/ 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
12 인용 특허 :
11 |
초록
▼
An undercut saw (10) having a central axis (11) generally comprises a cutting assembly (20) and a base (60). Cutting assembly (20) comprises case (30) housing electric motor (24) that drives shaft (40), upon which saw blade (50) is mounted. Base (60) supports cutting assembly (20) above a support su
An undercut saw (10) having a central axis (11) generally comprises a cutting assembly (20) and a base (60). Cutting assembly (20) comprises case (30) housing electric motor (24) that drives shaft (40), upon which saw blade (50) is mounted. Base (60) supports cutting assembly (20) above a support surface and comprises cylindrical sleeve (63) supporting case (30) such that central axis (11) is vertical, horizontal portion (94), and vertical leg portion (96) extending down from the periphery of horizontal portion (94) and terminating in foot (98) for resting on a support surface. Case (30) and sleeve (63) are cooperatively adapted such that case (30) can be selectively moved vertically within sleeve (63) and retained in the selected position so as to adjust the height of blade (50) relative to foot (98). In a first preferred embodiment, case (30) and sleeve (63) include cooperating screwing devices for adjusting blade (50) height. Line cord (26) departs motor assembly (22) along central axis (11).
대표청구항
▼
An undercut saw (10) having a central axis (11) generally comprises a cutting assembly (20) and a base (60). Cutting assembly (20) comprises case (30) housing electric motor (24) that drives shaft (40), upon which saw blade (50) is mounted. Base (60) supports cutting assembly (20) above a support su
An undercut saw (10) having a central axis (11) generally comprises a cutting assembly (20) and a base (60). Cutting assembly (20) comprises case (30) housing electric motor (24) that drives shaft (40), upon which saw blade (50) is mounted. Base (60) supports cutting assembly (20) above a support surface and comprises cylindrical sleeve (63) supporting case (30) such that central axis (11) is vertical, horizontal portion (94), and vertical leg portion (96) extending down from the periphery of horizontal portion (94) and terminating in foot (98) for resting on a support surface. Case (30) and sleeve (63) are cooperatively adapted such that case (30) can be selectively moved vertically within sleeve (63) and retained in the selected position so as to adjust the height of blade (50) relative to foot (98). In a first preferred embodiment, case (30) and sleeve (63) include cooperating screwing devices for adjusting blade (50) height. Line cord (26) departs motor assembly (22) along central axis (11). pparatus as defined in claim 1 additionally comprising: an elongated face plate; said face plate having an engagement side configured for cooperative mounted engagement with said retainer cavity; said face plate having a hair retainer side, said hair retainer side cooperatively engageable with said elongated hair retainer when in said operating position; said face plate when in cooperative mounted engagement with said retainer cavity thereby changing the dimension of said retainer cavity a defined amount resulting in a change of tension imparted to said hair strands traveling said serpentine path. 5. The hair trimming apparatus as defined in claim 4 additionally comprising: a plate kit having a plurality of said face plates; and each of said plurality of said face plates dimensioned to change said dimension of said retainer cavity a different of said defined amount. 6. The hair trimming apparatus as defined in claim 1 additionally comprising: a kit of cutting head assemblies having a plurality of cutting head assemblies in said kit; each of said plurality of cutting head assemblies in said kit removably mountable to said body assembly; and each of said plurality of cutting head assemblies having said cutting blade mounted in said interior cavity at a point to cut said portions of hair a different length. 7. The hair trimming apparatus as defined in claim 1 additionally comprising a switch, said switch activatable to reverse said motor, thereby allowing said hair trimming apparatus to be pulled through the hair with either hand with correct rotation of said blade to cut portions off said distal ends of said hair strands. 8. The hair trimming apparatus as defined in claim 1 additionally comprising: means for hair alignment of the said distal ends with said cutting blade. 9. The hair trimming apparatus as defined in claim 8 wherein said means for hair alignment of the said distal ends with said cutting blade comprises: a grill located in said slot, said grill having a plurality of grill apertures communicating therethrough; said distal ends communicating with said cutting blade through said grill apertures. 10. The hair trimming apparatus as defined in claim 9 additionally comprising: a plurality of spines located on said hair retainer, said splines having gaps therebetween; said gaps being substantially in line with said grill apertures when said hair retainer is in said operating position thereby forming a plurality of individual serpentine pathways for guiding hair strands through said slot and around said elongated hair retainer. 11. The hair trimming apparatus as defined in claim 8 additionally comprising a switch, said switch activateable to reverse said motor, thereby allowing said hair trimming apparatus to be pulled through the hair with either hand with correct rotation of said blade to cut portions off said distal ends of said hair strands. 12. A hair trimming apparatus for trimming the distal ends of hair drawn therethrough, comprising: a handle having a front face and a rear face; a first side lobe attached to an upper end of said handle said first side lobe having a first front face and a first rear face; a second side lobe, parallel to said first side lobe, attached to said upper end of said handle, said second side lobe having a second front face, and a second rear face; a retainer cavity formed between said first side lobe and said second side lobe; an elongated slot in said retainer cavity, said slot providing communication from the base of said slot to a cutting area between said first rear face and said second rear face; an elongated hair retainer rotatably mounted at a first end to said upper end of said handle, said elongated hair retainer cooperatively engageable with said retainer cavity; said elongated hair retainer having an operating position cooperatively engaged in said retainer cavity and having a raised position, disengaged from said retainer cavity; a n activating lever operatively engaged with said elongated hair retainer for moving said elongated hair retainer from said raised position to said operating position; said elongated hair retainer when cooperatively engaged with said slot, forming a serpentine path for guiding hair strands through said elongated slot and around said elongated hair retainer; said slot allowing said distal ends of said hair strands drawn through said serpentine path to momentarily communicate through said slot into said cutting area; a cutting assembly having a cutting blade operatively mounted in an interior cavity of said cutting assembly; a motor operatively engaged with said cutting blade, said motor attached to said cutting assembly; a cutting slot in a front face of said cutting assembly providing communicating with said cutting blade in said interior cavity; means for registered engagement of said front face of said cutting assembly to said first rear face and said second rear face with said cutting slot in registered alignment with said elongated slot; and means to communicate electric power from said handle to said motor, whereby hair strands drawn through said serpentine path momentarily communicate through said elongated slot and into said cutting slot and said cutting blade removes a defined portion of the distal ends of said hair strands. 13. The hair trimming apparatus as defined in claim 12 additionally comprising: a kit of cutting assemblies having a plurality of cutting assemblies in said kit; each of said plurality of cutting assemblies in said kit removably mountable to said rear face; and each of said plurality of cutting assemblies having said cutting blade mounted therein a point to cut a different length defined portion of said distal ends of said hair strands. 14. The hair trimming apparatus as defined in claim 13 wherein a hair dryer is a member of said kit of cutting blade assemblies. 15. The hair trimming apparatus as defined in claim 12 additionally comprising a hair dryer component, said hair dryer component operatively attachable to said rear face. 16. The hair trimming apparatus as defined in claim 12 additionally comprising: means for hair alignment of the said distal ends with said cutting blade. 17. The hair trimming apparatus as defined in claim 16 wherein said means for hair alignment of the said distal ends with said cutting blade comprises: a grill located in said elongated slot, said grill having a plurality of grill apertures communicating therethrough; said distal ends communicating with said cutting blade through said grill apertures. 18. The hair trimming apparatus as defined in claim 17 additionally comprising: a plurality of spines located on said hair retainer, said splines having gaps therebetween; said gaps being substantially in line with said grill apertures when said hair retainer is in said operating position thereby forming a plurality of individual serpentine pathways for guiding hair strands through said elongated slot and around said elongated hair retainer. 19. The hair trimming apparatus as defined in claim 12 additionally comprising a switch, said switch activateable to reverse said motor, thereby allowing said hair trimming apparatus to be pulled through the hair with either hand with correct rotation of said blade to cut portions off said distal ends of said hair strands. clam-shells, the cavity being formed by the cavity wall integrally moulded into at least one clam-shell. 4. A string trimmer as claimed in clim 3, wherin one part of the cavity wall is integrally moulded into a first claim-shell and the other part of the cavity wall is integrally moulded into a second claim-shell in substantially symmetrical fashion, the complete cavity wall being formed when the first clam-shell and the second clam-shell are joined together. 5. A string trimmer as claimed in claim 3, wherein the cavity wall forms a tubular passage having at least one aperture through which the cutting member is capable of being inserted into the tubular passage. 6. A string trimmer as claimed in claim 5, wherein the cavity wall is curved along the length of the tubular passage so that when a substantially straight resilient cutting member is located within the tubular passage, the cavity wall causes the cutting member to bend and frictionally engage the cavity wall so that the cutting member is held in the tubular passage. 7. A string trimmer as claimed in claim 6, wherein the cavity wall comprises a first straight tubular section at one end, an intermediate curved tubular section where the cavity wall describes a `v` shape kink, and a second straight tubular section at the other end, the first and second straight tubular sections being substantially co-axial. 8. A string trimmer as claimed in claim 5, wherein a lip is formed adjacent to the aperture, the lip being adapted to retain the cutting member within the tubular passage. 9. A string trimmer as claimed in claim 8, wherein the aperture is located away from an extremity of the tubular passage, such that the portion of the cavity wall located between the aperture and the extremity forms the lip. 10. A string trimmer comprising: a body having at least two molded clam-shells; a cavity formed by a cavity wall integrally molded into at least one clam-shell, the cavity wall forming a tubular passage within the body and having an aperture for receiving a cutting member, the tubular passage having a shape such that the cavity wall interacts with the cutting member when the cutting member is located within the tubular passage to secure the cutting member within the tubular passage. 11. The string trimmer of claim 10, wherein the cavity is formed within a shaft of the body. 12. The string trimmer of claim 10, wherein one part of the cavity wall is integrally molded into a first clam-shell and the other part of the cavity wall is integrally molded into a second clam-shell in substantially symmetrical fashion, the complete cavity wall being formed when the first clam-shell and the second clam-shell are joined together. 13. The string trimmer of claim 10, wherein the cavity wall is curved along the length of the tubular passage so that when a substantially straight resilient cutting member is located within the tubular passage, the cavity wall causes the cutting member to bend and frictionally engage the cavity wall so that the cutting member is held in the tubular passage. 14. The string trimmer of claim 13, wherein the cavity wall comprises a first straight tubular section at one end, an intermediate curved tubular section where the cavity wall describes a `v` shape kink, and a second straight tubular section at the other end, the first and second straight tubular sections being substantially co-axial. 15. The string trimmer of claim 10, wherein a lip is formed adjacent to the aperture, the lip being adapted to retain the cutting member within the tubular passage. 16. The string trimmer of claim 15, wherein the aperture is located away from an extremity of the tubular passage, such that the portion of the cavity wall located between the aperture and the extremity forms the lip.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.