IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0194666
(2011-07-29)
|
등록번호 |
US-8857303
(2014-10-14)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
63 |
초록
▼
A power saw includes a table configured to receive a workpiece, a saw blade and motor assembly, and a linear guide mechanism operatively connected to the table and being configured to pivotally support the saw blade and motor assembly. The linear guide mechanism enables movement of the saw blade and
A power saw includes a table configured to receive a workpiece, a saw blade and motor assembly, and a linear guide mechanism operatively connected to the table and being configured to pivotally support the saw blade and motor assembly. The linear guide mechanism enables movement of the saw blade and motor assembly along a predetermined linear path in a forward or a rearward direction at a constant level, and includes a first link and a second link pivotally connected by a first hinge connection. The first and second links enable the linear guide mechanism to maintain the saw blade and motor assembly at the constant level. The power saw further includes a locking mechanism which is fixed to the first hinge connection for locking the linear guide mechanism to prevent the saw blade and motor assembly from being moved along the predetermined linear path.
대표청구항
▼
1. A power saw comprising: a table configured to receive a workpiece;a saw blade and motor assembly;a linear guide mechanism operatively connected to said table and being configured to pivotally support said saw blade and motor assembly, said linear guide mechanism enabling movement of said saw blad
1. A power saw comprising: a table configured to receive a workpiece;a saw blade and motor assembly;a linear guide mechanism operatively connected to said table and being configured to pivotally support said saw blade and motor assembly, said linear guide mechanism enabling movement of said saw blade and motor assembly along a predetermined linear path in a forward or a rearward direction at a constant level;said linear guide mechanism including a first link and a second link pivotally connected by a first hinge connection, said first and second links enabling said linear guide mechanism to maintain said saw blade and motor assembly at said constant level; anda locking mechanism fixed to said first hinge connection for locking said linear guide mechanism to prevent said saw blade and motor assembly from being moved along said predetermined linear path,wherein said locking mechanism includes an elongated wedge portion configured to be pivotally inserted in a space created between opposing ends of said first and second links at said first hinge connection, to prevent said first and second links from pivoting about said first hinge connection relative to each other. 2. The power saw as defined in claim 1, wherein said locking mechanism locks said linear guide mechanism in a retracted position in said rearward direction or in an extended position in said forward direction. 3. The power saw as defined in claim 1, wherein said locking mechanism further includes a pivot foot from which said wedge portion extends, and a locking lever extending from said pivot foot for operatively pivoting said wedge portion about said pivot foot to insert or extract said wedge portion in and from said space between said opposing ends of said first and second links. 4. The power saw as defined in claim 3, wherein said locking mechanism further includes a spring member for biasing said pivot foot at a first position to retain said wedge portion in said space between said opposing ends of said first and second links, or at a second position to maintain said wedge portion outside of said space. 5. The power saw as defined in claim 4, wherein said pivot foot has a lip protruding at said first position and said spring member biases against an end of said lip to retain said wedge portion in said space between said opposing ends of said first and second links, and said second position is provided between said lip and said locking lever. 6. The power saw as defined in claim 3, wherein said pivot foot pivots about a pin supported between a pair of spaced arms protruding from said first hinge connection. 7. The power saw as defined in claim 1, wherein said space between said opposing ends of said first and second links is configured to receive said wedge portion at least one predefined angle between said first and said second links. 8. The power saw as defined in claim 7, wherein said opposing ends of said first and second links are angled such that a shape of said space corresponds to a shape of said wedge portion at said at least one predefined angle between said first and said second links. 9. The power saw as defined in claim 8, wherein said shape of said space corresponds to said shape of said wedge portion at said at least two predefined angles between said first and said second links. 10. A locking mechanism in a power saw for locking a linear guide mechanism that supports a saw blade and motor assembly and enables movement of said saw blade and motor assembly along a predetermined linear path in a forward or a rearward direction at a constant level, said locking mechanism comprising: a pivot foot pivotally attached to a first hinge connection connecting a first link and a second link of said linear guide mechanism, said first and said second links enabling said linear guide mechanism to maintain said saw blade and motor assembly at a constant level;an elongated wedge portion extending from said pivot foot and configured to be pivotally inserted in a space created between opposing ends of said first and second links; anda locking lever extending from said pivot foot for operatively pivoting said wedge portion about said pivot foot to insert or extract said wedge portion in and from said space between said opposing ends of said first and second links;wherein said wedge portion prevents said first and second links from pivoting about said first hinge connection relative to each other when said wedge portion is inserted in said space between said opposing ends of said first and second links. 11. The locking mechanism as defined in claim 10, further comprising a spring member for biasing said pivot foot at a first position to retain said wedge portion in said space between said opposing ends of said first and second links, or at a second position to maintain said wedge portion outside of said space. 12. The locking mechanism as defined in claim 11, wherein said pivot foot has a lip protruding at said first position and said spring member biases against an end of said lip to retain said wedge portion in said space between said opposing ends of said first and second links, and said second position is provided between said lip and said locking lever. 13. The locking mechanism as defined in claim 10, wherein said pivot foot pivots about a pin supported between a pair of spaced arms protruding from said first hinge connection. 14. The power saw as defined in claim 10, wherein said space between said opposing ends of said first and second links is configured to receive said wedge portion at least one predefined angle between said first and said second links. 15. The power saw as defined in claim 14, wherein said opposing ends of said first and second links are angled such that a shape of said space corresponds to a shape of said wedge portion at said at least one predefined angle between said first and said second links. 16. A power miter saw having a locking mechanism, comprising: a rotatable table configured to receive a workpiece;a pivotable saw blade and motor assembly including a motor for rotating a circular saw blade;a linear guide mechanism operatively connected to said table and being configured to pivotally support said saw blade and motor assembly, said linear guide mechanism enabling movement of said saw blade and motor assembly along a predetermined linear path in a forward or a rearward direction at a constant level;said linear guide mechanism including a first link and a second link pivotally connected by a first hinge connection, said first and second links enabling said linear guide mechanism to maintain said saw blade and motor assembly at said constant level;a pivot foot pivotally attached to a first hinge connection pivotally connecting a first link and a second link of said linear guide mechanism, said first and second links enabling said linear guide mechanism to maintain said saw blade and motor assembly at a constant level;an elongated wedge portion extending from said pivot foot and configured to be pivotally inserted in a space created between opposing ends of said first and second links; anda locking lever extending from said pivot foot for operatively pivoting said wedge portion about said pivot foot to insert or extract said wedge portion in and from said space between said opposing ends of said first and second links;wherein said wedge portion prevents said first and second links from pivoting about said first hinge connection relative to each other when said wedge portion is inserted in said space between said opposing ends of said first and second links. 17. The locking mechanism as defined in claim 16, further comprising a spring member for biasing said pivot foot at a first position to retain said wedge portion in said space between said opposing ends of said first and second links, or at a second position to maintain said wedge portion out of said space. 18. The power saw as defined in claim 16, wherein said opposing ends of said first and second links are angled such that a shape of said space corresponds to a shape of said wedge portion at least one predefined angle between said first and said second links. 19. The power saw as defined in claim 18, wherein said shape of said space corresponds to said shape of said wedge portion at a first predefined angle near an end of said forward direction movement of said saw blade and motor assembly, and at a second predefined angle near an end of said rearward direction movement of said saw blade and motor assembly.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.