TWM568771U - 檯鋸 - Google Patents
檯鋸 Download PDFInfo
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- TWM568771U TWM568771U TW107207002U TW107207002U TWM568771U TW M568771 U TWM568771 U TW M568771U TW 107207002 U TW107207002 U TW 107207002U TW 107207002 U TW107207002 U TW 107207002U TW M568771 U TWM568771 U TW M568771U
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- Prior art keywords
- saw
- mandrel
- bevel gear
- actuator
- coupled
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
- B27G19/08—Accessories for keeping open the saw kerf, e.g. riving knives or wedge plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/06—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade arranged underneath a stationary work-table
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/06—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade arranged underneath a stationary work-table
- B23D45/068—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade arranged underneath a stationary work-table the saw blade being adjustable according to depth or angle of cut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
- B27G19/02—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2074—Including means to divert one portion of product from another
- Y10T83/2077—By kerf entering guide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/768—Rotatable disc tool pair or tool and carrier
- Y10T83/7684—With means to support work relative to tool[s]
- Y10T83/773—Work-support includes passageway for tool [e.g., slotted table]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/768—Rotatable disc tool pair or tool and carrier
- Y10T83/7734—With guard for tool
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Table Devices Or Equipment (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
本創作係關於檯鋸。一種檯鋸包括:一檯;一鋸單元,其可移動地耦接於該檯下方;一劈刀,其延伸通過該檯;及一快速釋放總成,其選擇性地將該劈刀耦接至該檯。該快速釋放總成包括:一安裝板,其耦接至該檯;及一夾板,其可相對於該安裝板在該劈刀夾持於該安裝板與該夾板之間以將該劈刀緊固至該檯之一夾持位置與該劈刀可自該檯釋放的一釋放位置之間移動。該快速釋放總成進一步包括:一銷,其與該夾板耦接以用於一起移動;及一手柄,其可樞轉地耦接至該銷。該銷具有可與該鋸單元接合之一凸輪部分。該夾板可回應於該手柄之樞轉移動而在該夾持位置與該釋放位置之間移動。
Description
本創作係關於檯鋸。本創作大體係關於電動工具,且詳言之係關於針對電動檯鋸之改良。
檯鋸為在建築工業及木材加工工業中之常用電動工具。當檯鋸之鋸片切割工件時,鋸片相對於工件之高度及角度判定切割至工件中的深度及角度。鋸片之高度及方位可經由高度及斜角調整機構相對於檯鋸(及因此工件)之工作表面來調整。又,取決於所要之工件切割操作,各種組件可添加至檯鋸或自檯鋸移除以促進切割操作。甚至此外,鋸片可取決於所要之工件切割操作或正切割之工件的材料而用不同鋸片來改變。
本創作提供一種檯鋸,在一態樣中,其包括:一檯;一鋸單元,其可移動地耦接於該檯下方;一劈刀,其延伸通過該檯中之一開口且與延伸通過該開口的一鋸片對準;及一快速釋放總成,其選擇性地將該劈刀耦接至該檯。該快速釋放總成包括:一安裝板,其耦接至該檯;及一夾板,其可相對於該安裝板在一夾持位置與一釋放位置之間移動。在該夾持位置中,該劈刀可夾持於該安裝板與該夾板之間以將該劈刀緊固至該檯。在該釋放位置中,該劈刀可自該檯釋放。該快速釋放總成進一步包括一銷,該銷具有與該夾板耦接以用於一起移動之一第一末端。該快速釋放總成進一步包括一手柄,該手柄可樞轉地耦接至該銷之一第二末端且具有可與該鋸單元接合的一凸輪部分。該夾板可回應於該手柄之樞轉移動而在該夾持位置與該釋放位置之間移動。
在另一態樣中,本創作提供一種檯鋸,其包括:一檯;一心軸,其可旋轉地耦接至該檯以用於驅動延伸通過該檯中之一開口的一鋸片;至少一凸緣板,其與該心軸耦接用於共轉,以用於將該鋸片夾持至該心軸;及一致動器,其可相對於該心軸在一釋放位置與一封鎖位置之間移動。在該釋放位置中,該致動器與該心軸脫離。在該封鎖位置中,該致動器與該心軸或該凸緣板接合以防止該心軸之旋轉來促進改變該鋸片。該檯鋸進一步包括使該致動器朝向該釋放位置偏置之一彈簧。
在另一態樣中,本創作提供一種檯鋸,其包括:一檯;一鋸單元,其可移動地耦接於該檯下方;及一刀片高度調整機構,其可操作以相對於該檯升起及降低該鋸單元。該刀片高度調整機構包括:一第一驅動軸桿,其界定一第一傘齒輪所耦接至以用於共轉之一第一旋轉軸線;及一第二驅動軸桿,其界定一第二傘齒輪所耦接至以用於共轉之一第二旋轉軸線。該第二旋轉軸線垂直於該第一旋轉軸線,且該第二驅動軸桿螺紋連接至該鋸單元以使得該第二驅動軸桿之旋轉在平行於該第二旋轉軸線的一方向上移動該鋸單元。該第一傘齒輪及第二傘齒輪為嚙合的以用於將扭矩自該第一驅動軸桿傳送至該第二驅動軸桿。分別地,該第二傘齒輪上之齒對該第一傘齒輪上之齒的一比率在約0.5:1與約0.75:1之間。
參看圖1,檯鋸10包括管狀基底12、在基底12頂上之檯14,及突出通過檯14中之開口22的鋸片18,工件係支撐於檯14上。檯鋸10亦包括位於鋸片18後方之劈刀26,及藉由劈刀26支撐以用於覆蓋鋸片18之頂側及相對側的刀片防護總成30。
參看圖3,檯鋸10亦包括可樞轉地耦接至檯14之底部表面的底架34。底架34包括用於將鋸屑及其他碎屑引導遠離檯鋸10之防塵罩38及藉由防塵罩38所支撐的鋸單元42。鋸單元42包括馬達46、藉由馬達46所驅動之心軸50(圖5),及與心軸50耦接以用於共轉的鋸片18。底架34藉由一對樞軸托架54(圖3)可樞轉地耦接至檯14,從而允許底架34相對於檯14樞轉至各種斜角。檯鋸10進一步包括斜角調整機構58,斜角調整機構58可操作以在相對於檯14之使用者選擇之斜角處調整且選擇性地維持底架34,及因此鋸單元42。
參看圖3及圖4,檯鋸10進一步包括刀片高度調整機構62,刀片高度調整機構62可操作以相對於檯14升起及降低鋸單元42。刀片高度調整機構62包括安置於基底12之前面板70前方的曲柄66。曲柄66可圍繞第一旋轉軸線74旋轉,以用於驅動第一驅動軸桿78及與第一驅動軸桿78耦接以用於共轉之第一傘齒輪82。刀片高度調整機構62亦包括與第一傘齒輪82相互嚙合且藉由第一傘齒輪82驅動之第二傘齒輪86。第二傘齒輪86與第二驅動軸桿90耦接以用於共轉,第二驅動軸桿90可圍繞垂直於第一旋轉軸線74之第二旋轉軸線94旋轉。如圖4中所說明,第二驅動軸桿90包括與鋸單元42上之相應內部螺紋接合的外部螺紋。
繼續參看圖3及圖4,當第二驅動軸桿90圍繞第二旋轉軸線94旋轉時,鋸單元42在平行於第二旋轉軸線94的方向上沿著第二驅動軸桿90平移。刀片高度調整機構62進一步包括與第二驅動軸桿90平行的用於導引鋸單元62之平移的支撐軸桿98(圖3)。然而,支撐軸桿98為圓柱形且無螺紋的,從而准許鋸單元42在曲柄66及因此驅動軸桿78、90及傘齒輪82、86旋轉時沿著支撐軸桿98滑動。為了相對於檯14調整鋸單元42之高度,操作者將圍繞第一旋轉軸線74旋轉曲柄66。當曲柄66例如在順時針方向上旋轉時,鋸單元42相對於檯14向上移動。對比而言,當曲柄66例如在逆時針方向上旋轉時,鋸單元42相對於檯14向下移動。
如圖4中所示,第一(輸入)傘齒輪82具有大於第二(輸出)傘齒輪86之數目個齒,藉此提供傘齒輪82、86之間的小於1:1之齒輪比。換言之,為了達成第二驅動軸桿90及第二傘齒輪86之一全轉,要求第一驅動軸桿78及第一傘齒輪82的小於一全轉。具體而言,第二傘齒輪86上之齒對第一傘齒輪82上之齒的比率在約0.5:1與約0.75:1之間。更具體而言,第二傘齒輪86上之齒對第一傘齒輪82上之齒的比率為大約0.52:1。與習知檯鋸相比,此情形使鋸單元42能夠以曲柄66之更少旋轉相對於檯14升起及降低。
參看圖5至圖8,鋸片18夾持於與心軸50耦接以用於共轉之相對的凸緣板100A、100B之間。如圖7中所示,凸緣板100A與心軸50上之一體式凸緣102軸向地鄰接。然而,凸緣板100A可或者與凸緣102整體地形成為單一零件,如圖8A中所示。在任一實施例中,心軸50包括有螺紋末端以接納螺帽104,螺帽104將凸緣板100B緊固至心軸50(圖6)。參看圖5及圖7,致動器106經可滑動地支撐,以用於在橫向於心軸50之縱向軸線114的方向上相對於心軸50經由系固至鋸單元42的第一托架110移動。具體而言,致動器106可沿著相對於心軸50之縱向軸線114為橫向的致動器軸線116在封鎖位置(展示為圖8中之假想線)與釋放位置(展示為圖8中之實線)之間移動。當檯鋸10之喉板經移除時,致動器106可經由檯14中之開口22而接近,如圖2中所示。致動器106藉由壓縮彈簧108(圖8)朝向釋放位置偏置遠離心軸50。致動器106亦包括自第一托架110延伸的可藉由檯鋸10之操作者按壓以將致動器106朝向封鎖位置移位的突片122,從而使致動器106之突起126接納於凸緣板100A中的多個狹槽130中鄰近心軸凸緣102之一者中。以此方式,心軸50之旋轉可被鎖定以准許檯鋸10操作者自心軸50旋出螺帽104以改變或移除鋸片18。致動器106進一步包括與彈簧108鄰接抵靠的延伸遠離致動器軸線116之指狀物124,如下文進一步詳細描述。
繼續參看圖8,第一托架110經由軸承129相對於檯14可旋轉地支撐心軸50。第一托架110界定彈簧108至少部分地定位於中之凹穴128。如所說明,彈簧108介入於凹穴128之底部表面132與致動器106的指狀物124之間。指狀物124在致動器106處於釋放位置時鄰接抵靠凹穴128之頂部表面133,從而防止致動器106的進一步向上移動。檯鋸10進一步包括附接至第一托架110之第二托架135,第一托架110與第二托架135之間固持有致動器106。第二托架135界定側向地約束致動器106之移動的狹槽137,從而將致動器在釋放位置與封鎖位置之間的移動限制為沿著軸線116在狹槽137內之平移。
參看圖9,檯鋸10進一步包括用於相對於檯14附接及拆卸刀片防護總成30所附接至之劈刀26的快速釋放總成134。快速釋放總成134安裝至鋸單元42之框架136。因此,快速釋放總成134連同所附接之劈刀26及刀片防護總成可相對於聯合鋸單元42之檯14垂直地及有角度地調整。
參看圖10至圖13,快速釋放總成134包括系固至鋸單元框架136以用於與其一起移動之安裝板138,及可相對於(亦即,朝向及遠離)安裝板138沿著錨定至安裝板138之平行扣件146(圖12及圖13)滑動的夾板142。快速釋放總成134亦包括銷154,銷154具有附接至夾板142以用於與其一起移動之第一末端158及突出通過安裝板138的相對的第二末端162。銷154包括減小直徑區段166(圖12及圖13)及鄰近夾板142之鄰近的圓柱形區段170。如圖11中所說明,劈刀26包括:垂直狹槽174,其具有小於銷154之圓柱形區段170之直徑但大於減小直徑區段166的寬度178;及與狹槽174共存之單一孔隙182,其具有與銷154之圓柱形區段170相比標稱地較大的直徑。快速釋放總成134亦包括相對於劈刀26將銷154及所附接之夾板142朝向下文詳細描述之釋放位置偏置的壓縮彈簧150。
參看圖12及圖13,快速釋放總成134進一步包括具有凸輪表面190之手柄186。銷154之末端162旋擰至手柄內之筒狀螺帽188,藉此圍繞樞軸軸線194將銷154可樞轉地耦接至手柄186。凸輪表面190與中間托架198滑動接觸,中間托架198又為靜止的且安裝至鋸單元框架136。凸輪表面190在樞軸軸線194與托架198之間界定漸進地改變之接觸半徑R,藉此隨著手柄186在與增大之接觸半徑R重合的方向上旋轉而將平移賦予至銷154(因此使彈簧150壓縮)。同樣地,隨著手柄186在與減小之接觸半徑R重合的相反方向上旋轉,彈簧150回彈,從而在相反方向上推動銷154。
當銷154及所附接之夾板142定位於與凸輪表面190(圖12)之相對大的接觸半徑R重合的夾持位置時,銷154之圓柱形區段170接納於劈刀26中的孔隙182中,藉此將劈刀26鎖定至安裝板138及鋸單元框架136。又,當銷154及夾板142處於夾持位置時,夾板142被壓抵劈刀26以抵靠劈刀26及安裝板138施加夾持力。為了移除劈刀26,手柄186樞轉遠離鋸單元框架136,從而減小接觸半徑R且允許彈簧150回彈並將銷154(具有附接之夾板142)朝向圖13中所示之釋放位置平移。在釋放位置中,銷154之減小直徑區段166與狹槽174對準且圓柱形區段170自孔隙182移位。且,夾板142自安裝板138移位,藉此自劈刀26移除夾持力。此後,劈刀26可被向上牽拉且自檯14移除。劈刀26之再附接係使用顛倒程序來進行。凸輪表面190與中間托架198之間的摩擦防止手柄186非故意地自圖12中所示的與銷154之夾持位置重合的位置移至圖13中所示的與銷154之釋放位置重合的位置。
本創作之各種特徵闡述於以下申請專利範圍中。
10‧‧‧檯鋸
12‧‧‧管狀基底
14‧‧‧檯
18‧‧‧鋸片
22‧‧‧開口
26‧‧‧劈刀
30‧‧‧刀片防護總成
34‧‧‧底架
38‧‧‧防塵罩
42‧‧‧鋸單元
46‧‧‧馬達
50‧‧‧心軸
54‧‧‧樞軸托架
58‧‧‧斜角調整機構
62‧‧‧刀片高度調整機構
66‧‧‧曲柄
70‧‧‧前面板
74‧‧‧第一旋轉軸線
78‧‧‧第一驅動軸桿
82‧‧‧第一傘齒輪
86‧‧‧第二傘齒輪
90‧‧‧第二驅動軸桿
94‧‧‧第二旋轉軸線
98‧‧‧支撐軸桿
100A、100B‧‧‧凸緣板
102‧‧‧一體式凸緣
104‧‧‧螺帽
106‧‧‧致動器
108、150‧‧‧壓縮彈簧
110‧‧‧第一托架
114‧‧‧縱向軸線
116‧‧‧致動器軸線
122‧‧‧突片
124‧‧‧指狀物
126‧‧‧
128‧‧‧凹穴
129‧‧‧軸承
130、137‧‧‧狹槽
132‧‧‧凹穴之底部表面
133‧‧‧凹穴之頂部表面
134‧‧‧快速釋放總成
135‧‧‧第二托架
136‧‧‧鋸單元框架
138‧‧‧安裝板
142‧‧‧夾板
146‧‧‧扣件
154‧‧‧銷
158‧‧‧第一末端
162‧‧‧第二末端
166‧‧‧減小直徑區段
170‧‧‧圓柱形區段
174‧‧‧垂直狹槽
178‧‧‧寬度
182‧‧‧孔隙
186‧‧‧手柄
188‧‧‧筒狀螺帽
190‧‧‧凸輪表面
194‧‧‧樞軸軸線
198‧‧‧中間托架
R‧‧‧接觸半徑
12‧‧‧管狀基底
14‧‧‧檯
18‧‧‧鋸片
22‧‧‧開口
26‧‧‧劈刀
30‧‧‧刀片防護總成
34‧‧‧底架
38‧‧‧防塵罩
42‧‧‧鋸單元
46‧‧‧馬達
50‧‧‧心軸
54‧‧‧樞軸托架
58‧‧‧斜角調整機構
62‧‧‧刀片高度調整機構
66‧‧‧曲柄
70‧‧‧前面板
74‧‧‧第一旋轉軸線
78‧‧‧第一驅動軸桿
82‧‧‧第一傘齒輪
86‧‧‧第二傘齒輪
90‧‧‧第二驅動軸桿
94‧‧‧第二旋轉軸線
98‧‧‧支撐軸桿
100A、100B‧‧‧凸緣板
102‧‧‧一體式凸緣
104‧‧‧螺帽
106‧‧‧致動器
108、150‧‧‧壓縮彈簧
110‧‧‧第一托架
114‧‧‧縱向軸線
116‧‧‧致動器軸線
122‧‧‧突片
124‧‧‧指狀物
126‧‧‧
128‧‧‧凹穴
129‧‧‧軸承
130、137‧‧‧狹槽
132‧‧‧凹穴之底部表面
133‧‧‧凹穴之頂部表面
134‧‧‧快速釋放總成
135‧‧‧第二托架
136‧‧‧鋸單元框架
138‧‧‧安裝板
142‧‧‧夾板
146‧‧‧扣件
154‧‧‧銷
158‧‧‧第一末端
162‧‧‧第二末端
166‧‧‧減小直徑區段
170‧‧‧圓柱形區段
174‧‧‧垂直狹槽
178‧‧‧寬度
182‧‧‧孔隙
186‧‧‧手柄
188‧‧‧筒狀螺帽
190‧‧‧凸輪表面
194‧‧‧樞軸軸線
198‧‧‧中間托架
R‧‧‧接觸半徑
圖1為根據本創作之實施例的檯鋸之前視透視圖。
圖2為圖1之檯鋸的前視透視圖,說明自檯鋸之開口分解的喉板。
圖3為圖1之檯鋸的仰視透視圖,說明底架及刀片高度調整機構。
圖4為圖3之刀片高度調整機構之一部分的放大視圖。
圖5為圖1之檯鋸之鋸片及心軸總成的前視左側透視圖。
圖6為圖5之鋸片及心軸總成的前視右側透視圖。
圖7為多個部分被移除的圖5之鋸片及心軸總成的透視圖。
圖7A為根據本創作之另一實施例的鋸片及心軸總成之透視圖。
圖8為沿著圖5之心軸總成之線8-8的部分橫截面圖。
圖9為圖1之檯鋸之底架的透視圖。
圖10為用於圖1之檯鋸之劈刀的快速釋放機構之透視圖。
圖11為圖10之劈刀的側視圖。
圖12為沿著圖10之線12-12的橫截面圖,說明處於第一位置之快速釋放機構。
圖13為沿著圖10之線12-12的橫截面圖,說明處於第二位置之快速釋放機構。
在詳細解釋本創作之任何實施例之前,應理解,本創作在其應用方面不限於構造細節及以下描述中所闡述或以下圖式中所說明之組件的配置。本創作能夠具有其他實施例且能夠以各種方式實踐或實行。又,應理解,本文所使用之措辭及術語係用於描述之目的且不應視為限制性的。
Claims (34)
- 一種檯鋸,其包含: 一檯; 一鋸單元,其可移動地耦接於該檯下方; 一劈刀,其延伸通過該檯中之一開口且與延伸通過該開口的一鋸片對準;及 一快速釋放總成,其選擇性地將該劈刀耦接至該檯,該快速釋放總成包括 一安裝板,其耦接至該檯, 一夾板,其可相對於該安裝板在該劈刀可夾持於該安裝板與該夾板之間以將該劈刀緊固至該檯之一夾持位置與該劈刀可自該檯釋放的一釋放位置之間移動, 一銷,其具有與該夾板耦接以用於一起移動之一第一末端,及 一手柄,其可樞轉地耦接至該銷之一第二末端且包括可與該鋸單元接合的一凸輪部分,其中該夾板可回應於該手柄之樞轉移動而在該夾持位置與該釋放位置之間移動。
- 如請求項1之檯鋸,其進一步包含錨定至該安裝板之平行扣件,該夾板可沿著該等扣件相對於該安裝板滑動。
- 如請求項1之檯鋸,其中該銷進一步包括一減小直徑區段及鄰近該夾板之一鄰近的圓柱形區段。
- 如請求項3之檯鋸,其中該劈刀包括一垂直狹槽,該垂直狹槽具有小於該銷之該圓柱形區段之一直徑但大於該減小直徑區段的一寬度。
- 如請求項4之檯鋸,其中該劈刀進一步包括與該垂直狹槽共存之一孔隙,且其中該孔隙包括與該銷之該圓柱形區段相比一標稱地較大的直徑。
- 如請求項5之檯鋸,其中該銷之該圓柱形區段在該夾板處於該夾持位置時接納於該孔隙中,藉此將該劈刀鎖定至該安裝板及該鋸單元。
- 如請求項1之檯鋸,其中該快速釋放總成進一步包括使該夾板朝向該釋放位置偏置之一壓縮彈簧。
- 如請求項1之檯鋸,其中該銷突出通過該安裝板。
- 如請求項1之檯鋸,其中該銷之該第二末端圍繞一樞軸軸線可樞轉地耦接至該手柄。
- 如請求項9之檯鋸,其中該凸輪部分與安裝至該鋸單元之一靜止中間托架滑動接觸。
- 如請求項10之檯鋸,其中該凸輪部分在該樞軸軸線與該中間托架之間界定一漸進改變的接觸半徑,藉此隨著該手柄在與一增大接觸半徑重合之一方向上旋轉而將平移賦予至該銷。
- 一種檯鋸,其包含: 一檯; 一心軸,其可旋轉地耦接至該檯以用於驅動延伸通過該檯中之一開口的一鋸片; 至少一凸緣板,其與該心軸耦接用於共轉,以用於將該鋸片夾持至該心軸; 一致動器,其可相對於該心軸在該致動器與該心軸脫離之一釋放位置與該致動器與該心軸或該凸緣板接合以防止該心軸之旋轉來促進改變該鋸片的一封鎖位置之間移動;及 一彈簧,其使該致動器朝向該釋放位置偏置。
- 如請求項12之檯鋸,其中該致動器可沿著相對於該心軸之一縱向軸線為橫向的一軸線相對於該心軸滑動。
- 如請求項12之檯鋸,其中該致動器在其一第一末端上包括一突起,該突起可在處於該封鎖位置時與該心軸或凸緣板接合。
- 如請求項14之檯鋸,其中該致動器在其一第二末端上包括一突片,該突片為使用者可操縱的以將該致動器自該釋放位置朝向該封鎖位置移位。
- 如請求項15之檯鋸,其中該致動器可沿著相對於該心軸之一縱向軸線為橫向的一軸線相對於該心軸滑動,且其中該突片橫向於該致動器軸線而定向。
- 如請求項14之檯鋸,其中該突起可接納於界定於該心軸或該凸緣板中之多個狹槽中的一者中以鎖定該心軸之旋轉。
- 如請求項12之檯鋸,其進一步包含相對於該檯可旋轉地支撐該心軸之一托架,其中該托架界定該彈簧至少部分地定位於中的一凹穴。
- 如請求項18之檯鋸,其中該彈簧之一第一末端經安放抵靠該凹穴之一底部表面,且其中該彈簧的一第二末端經安放抵靠該致動器之一部分。
- 如請求項19之檯鋸,其中該致動器可沿著相對於該心軸之一縱向軸線為橫向的一軸線相對於該心軸滑動,且其中該致動器包括延伸遠離該致動器軸線之一指狀物,該彈簧之該第二末端經安放抵靠該指狀物。
- 如請求項20之檯鋸,其中該指狀物在該致動器處於該釋放位置時鄰接抵靠該凹穴之一頂部表面。
- 如請求項18之檯鋸,其中該托架為一第一托架,且其中該檯鋸進一步包含附接至該第一托架之一第二托架,在該第一托架與該第二托架之間固持有該致動器。
- 如請求項22之檯鋸,其中該第一托架或第二托架中之至少一者界定一狹槽,在該狹槽中,該致動器可相對於該心軸在該釋放位置與該封鎖位置之間滑動。
- 如請求項12之檯鋸,其中該致動器位於該檯下方。
- 如請求項24之檯鋸,其中該致動器可經由該檯中之該開口而被接近。
- 一種檯鋸,其包含: 一檯; 一鋸單元,其可移動地耦接於該檯下方;及 一刀片高度調整機構,其可操作以相對於該檯升起及降低該鋸單元,該刀片高度調整機構包括 一第一驅動軸桿,其界定一第一傘齒輪所耦接至以用於共轉之一第一旋轉軸線,及 一第二驅動軸桿,其界定一第二傘齒輪所耦接至以用於共轉之一第二旋轉軸線, 其中該第二旋轉軸線垂直於該第一旋轉軸線,其中該第二驅動軸桿螺紋連接至該鋸單元以使得該第二驅動軸桿之旋轉在平行於該第二旋轉軸線的一方向上移動該鋸單元, 其中該第一傘齒輪及第二傘齒輪為嚙合的以用於將扭矩自該第一驅動軸桿傳送至該第二驅動軸桿,且其中分別地,該第二傘齒輪上之齒對該第一傘齒輪上之齒的一比率在約0.5:1與約0.75:1之間。
- 如請求項26之檯鋸,其中該第二傘齒輪上之齒對該第一傘齒輪上之該齒的該比率為大約0.52:1。
- 如請求項26之檯鋸,其中該刀片高度調整機構進一步包括與該第二驅動軸桿平行以用於導引該鋸單元之平移的一支撐軸桿。
- 如請求項28之檯鋸,其中該支撐軸桿為圓柱形且無螺紋的,藉此准許該鋸單元在該第一傘齒輪及第二傘齒輪旋轉時沿著該支撐軸桿滑動。
- 如請求項26之檯鋸,其進一步包含與該第一驅動軸桿耦接以用於共轉之一曲柄,該曲柄可圍繞該第一旋轉軸線旋轉以旋轉該第一驅動軸桿。
- 一種檯鋸,其包含: 一檯; 一鋸單元,其可移動地耦接於該檯下方,該鋸單元包括 一心軸,其可旋轉地耦接至該檯以用於驅動延伸通過該檯中之一開口的一鋸片,及 至少一凸緣板,其與該心軸耦接以共轉,以用於將該鋸片夾持至該心軸; 一劈刀,其延伸通過該檯中之一開口且與延伸通過該開口的一鋸片對準; 一快速釋放總成,其選擇性地將該劈刀耦接至該檯,該快速釋放總成包括 一安裝板,其耦接至該檯, 一夾板,其可相對於該安裝板在該劈刀可夾持於該安裝板與該夾板之間以將該劈刀緊固至該檯之一夾持位置與該劈刀可自該檯釋放的一釋放位置之間移動, 一銷,其具有與該夾板耦接以用於一起移動之一第一末端,及 一手柄,其可樞轉地耦接至該銷之一第二末端且包括可與該鋸單元接合的一凸輪部分,其中該夾板可回應於該手柄之樞轉移動而在該夾持位置與該釋放位置之間移動; 一致動器,其可相對於該心軸在該致動器與該心軸脫離之一釋放位置與該致動器與該心軸或該凸緣板接合以防止該心軸之旋轉來促進改變該鋸片的一封鎖位置之間移動;及 一彈簧,其使該致動器朝向該釋放位置偏置。
- 如請求項31之檯鋸,其進一步包含: 一刀片高度調整機構,其可操作以相對於該檯升起及降低該鋸單元,該刀片高度調整機構包括 一第一驅動軸桿,其界定一第一傘齒輪所耦接至以用於共轉之一第一旋轉軸線,及 一第二驅動軸桿,其界定一第二傘齒輪所耦接至以用於共轉之一第二旋轉軸線, 其中該第二旋轉軸線垂直於該第一旋轉軸線,其中該第二驅動軸桿螺紋連接至該鋸單元以使得該第二驅動軸桿之旋轉在平行於該第二旋轉軸線的一方向上移動該鋸單元, 其中該第一傘齒輪及第二傘齒輪為嚙合的以用於將扭矩自該第一驅動軸桿傳送至該第二驅動軸桿,且其中分別地,該第二傘齒輪上之齒對該第一傘齒輪上之齒的一比率在約0.5:1與約0.75:1之間。
- 一種檯鋸,其包含: 一檯; 一鋸單元,其可移動地耦接於該檯下方; 一劈刀,其延伸通過該檯中之一開口且與延伸通過該開口的一鋸片對準; 一快速釋放總成,其選擇性地將該劈刀耦接至該檯,該快速釋放總成包括 一安裝板,其耦接至該檯, 一夾板,其可相對於該安裝板在該劈刀可夾持於該安裝板與該夾板之間以將該劈刀緊固至該檯之一夾持位置與該劈刀可自該檯釋放的一釋放位置之間移動, 一銷,其具有與該夾板耦接以用於一起移動之一第一末端,及 一手柄,其可樞轉地耦接至該銷之一第二末端且包括可與該鋸單元接合的一凸輪部分,其中該夾板可回應於該手柄之樞轉移動而在該夾持位置與該釋放位置之間移動; 一刀片高度調整機構,其可操作以相對於該檯升起及降低該鋸單元,該刀片高度調整機構包括 一第一驅動軸桿,其界定一第一傘齒輪所耦接至以用於共轉之一第一旋轉軸線,及 一第二驅動軸桿,其界定一第二傘齒輪所耦接至以用於共轉之一第二旋轉軸線, 其中該第二旋轉軸線垂直於該第一旋轉軸線,其中該第二驅動軸桿螺紋連接至該鋸單元以使得該第二驅動軸桿之旋轉在平行於該第二旋轉軸線的一方向上移動該鋸單元, 其中該第一傘齒輪及第二傘齒輪為嚙合的以用於將扭矩自該第一驅動軸桿傳送至該第二驅動軸桿,且其中分別地,該第二傘齒輪上之齒對該第一傘齒輪上之齒的一比率在約0.5:1與約0.75:1之間。
- 一種檯鋸,其包含: 一檯; 一鋸單元,其可移動地耦接於該檯下方,該鋸單元包括 一心軸,其可旋轉地耦接至該檯以用於驅動延伸通過該檯中之一開口的一鋸片,及 至少一凸緣板,其與該心軸耦接以共轉,以用於將該鋸片夾持至該心軸; 一刀片高度調整機構,其可操作以相對於該檯升起及降低該鋸單元,該刀片高度調整機構包括 一第一驅動軸桿,其界定一第一傘齒輪所耦接至以用於共轉之一第一旋轉軸線,及 一第二驅動軸桿,其界定一第二傘齒輪所耦接至以用於共轉之一第二旋轉軸線, 其中該第二旋轉軸線垂直於該第一旋轉軸線,其中該第二驅動軸桿螺紋連接至該鋸單元以使得該第二驅動軸桿之旋轉在平行於該第二旋轉軸線的一方向上移動該鋸單元, 其中該第一傘齒輪及第二傘齒輪為嚙合的以用於將扭矩自該第一驅動軸桿傳送至該第二驅動軸桿,且其中分別地,該第二傘齒輪上之齒對該第一傘齒輪上之齒的一比率在約0.5:1與約0.75:1之間; 一致動器,其可相對於該心軸在該致動器與該心軸脫離之一釋放位置與該致動器與該心軸或該凸緣板接合以防止該心軸之旋轉來促進改變該鋸片的一封鎖位置之間移動;及 一彈簧,其使該致動器朝向該釋放位置偏置。
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2017
- 2017-06-05 CN CN201720642344.1U patent/CN207189852U/zh active Active
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2018
- 2018-04-09 US US15/947,985 patent/US10792834B2/en active Active
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WO2018226489A1 (en) | 2018-12-13 |
US11407142B2 (en) | 2022-08-09 |
AU2021282494A1 (en) | 2022-01-06 |
EP3634701A1 (en) | 2020-04-15 |
EP3634701A4 (en) | 2021-03-10 |
US20200391404A1 (en) | 2020-12-17 |
CN207189852U (zh) | 2018-04-06 |
AU2021282494B2 (en) | 2023-09-21 |
US20180345526A1 (en) | 2018-12-06 |
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