A mobile base assembly wherein a plurality of wheels 12 are attached to a frame 14 for movably supporting the frame 14 on a support surface 16 and an anchor mechanism 10 lifts the wheels 12 from the support surface 16 and anchors the frame 14 to the support surface 16. A pair of spaced plates (20 or
A mobile base assembly wherein a plurality of wheels 12 are attached to a frame 14 for movably supporting the frame 14 on a support surface 16 and an anchor mechanism 10 lifts the wheels 12 from the support surface 16 and anchors the frame 14 to the support surface 16. A pair of spaced plates (20 or 22) are attached to the frame 14 and an anchor member 34 is pivotally mounted between the plates (20 or 22) for pivotal movement between an anchor position (FIG. 4) and a retracted position (FIG. 3). A lever 70 is pivotally mounted between the plates (20 or 22) and presents a cam 72 for engaging and pivoting the anchor member 34 against the biasing reaction of a spring 60 from the retracted position to the anchor position. A foot 40 is attached to a foot flange extending from the anchor member 34 and has a base 42 for engaging the support surface 16 in the anchor position.
대표청구항▼
1. A mobile base assembly for supporting equipment (18) for movement over a support surface (16), said assembly comprising:a frame (14); a plurality of wheels (12) attached to said frame (14) for movably supporting said frame (14) on the support surface (16); an anchor mechanism (10) for lifting sai
1. A mobile base assembly for supporting equipment (18) for movement over a support surface (16), said assembly comprising:a frame (14); a plurality of wheels (12) attached to said frame (14) for movably supporting said frame (14) on the support surface (16); an anchor mechanism (10) for lifting said wheels (12) from the support surface (16) and anchoring said frame (14) to the support surface (16), said mechanism (10) comprising; at least one plate (20 or 22) attached to said frame (14), an anchor member (34) pivotally mounted on said plate for pivotal movement between an anchor position and a retracted position and presenting a foot flange (50), a foot (40) attached to said foot flange (50) of said anchor member (34) and having a base (42) for engaging the support surface (16) in said anchor position, a biasing member (60) for reacting between said plate and said anchor member (34) to bias said anchor member (34) to pivot to said retracted position, a lever (70) pivotally mounted on said plate for movement between said anchor and retracted positions, and a cam (72) on said lever (70) for engaging and pivoting said anchor member (34) against the biasing reaction of said biasing member (60) from said retracted position to said anchor position in response to said lever (70) being moved from said retracted position to said anchor position. 2. An assembly as set forth in claim 1 wherein said anchor member (34) includes top (46) and bottom (48) edges and presents a cam flange (56) extending laterally from said top edge (46) thereof toward said at least one plate (20) for engaging said cam (72) on said lever (70) for pivoting said anchor member (34).3. An assembly as set forth in claim 2 wherein said foot flange (50) extends laterally from said bottom edge (48), and said foot (40) threadedly engages said foot flange (50).4. An assembly as set forth in claim 3 wherein said at least one plate includes inner (20) and outer (22) plates in spaced parallel relationship to one another, a first pin (30) extending between said plates (20, 22) and pivotally mounting said anchor member (34) between said plates (20, 22) for pivotal movement between said anchor position and said retracted position.5. An assembly as set forth in claim 4 wherein said outer plate (22) defines a recess (52) therein for receiving said foot flange (50) in said retracted position.6. An assembly as set forth in claim 4 wherein said anchor member (34) presents a guide flange (54) spaced along said bottom edge (48) from said foot flange (50) and extending laterally from said bottom edge (48) thereof to a distal edge adjacent said inner plate (20).7. An assembly as set forth in claim 5 wherein said foot flange (50) extends laterally from said bottom edge (48) of said anchor member (34) to a distal edge underlying said outer plate (22), said foot (40) supported by said foot flange (50) outside of said outer plate (22).8. An assembly as set forth in claim 4 including a lever pin (66) extending between said plates (20), (22) above said anchor member (34), said lever (70) being pivotally mounted on said lever pin (66) between said plates (20), (22) for movement between said anchor and retracted positions.9. An assembly as set forth in claim 4 including a spring stop (58) extending inwardly from said inner plate (20), said biasing member comprising a coiled spring (60) coiled around said first pin (30) and having a first arm (62) disposed under said cam flange (56) and a second arm (64) engaging said spring stop (58) to react between said inner plate (20) and said anchor member (34) to bias said anchor member (34) to pivot to said retracted position.10. A mobile base assembly for supporting equipment (18) for movement over a support surface (16), said assembly comprising:a frame (14); a plurality of wheels (12) attached to said frame (14) for movably supporting said frame (14) on the support surface (16); an anchor mechanism (10) for lifting said wheels (12) from the support surface (16) and anchoring said frame (14) to the support surface (16), said mechanism (10) comprising; an inner plate (20) containing a first set of spacer holes (24), an outer plate (22) containing a second set of spacer holes (26) for alignment with said first set of spacer holes (24) of said inner plate (20), a plurality of cylindrical spacers (28) disposed between said plates in alignment with said spacer holes (24, 26) for spacing said plates (20, 22) in spaced parallel relationship to one another, a plurality of pins (30, 36) extending through said aligned spacer holes (24, 26) and said spacers (28) and into said frame (14) for maintaining said plates (20, 22) in said parallel relationship and attached to said frame (14) with said inner plate (20) disposed adjacent to said frame (14), an anchor member (34) having top (46) and a bottom (48) edges and pivotally mounted on a first (30) of said pins between said plates (20, 22) for pivotal movement between an anchor position and a retracted position, said anchor member (34) presenting a foot flange (50) extending laterally from said bottom edge (48) thereof to a distal edge underlying said outer plate (22) and defining a threaded hole disposed outside of said outer plate (22), said anchor member (34) presenting a guide flange (54) spaced along said bottom edge (48) from said foot flange (50) and extending laterally from said bottom edge (48) thereof to a distal edge adjacent said inner plate (20), said outer plate (22) having a recess (52) therein for receiving said foot flange (50) in said retracted position, a foot (40) having a base (42) for engaging the support surface (16) in said anchor position and a threaded shaft (44) engaging said threaded hole in said foot flange (50), said anchor member (34) presenting a cam flange (56) extending laterally from said top edge (46) thereof toward said inner plate (20), a spring stop (58) extending inwardly from said inner plate (20), a spring (60) coiled around said first pin (30) and having a first arm (62) disposed under said cam flange (56) and a second arm (64) engaging said spring stop (58) to react between said inner plate (20) and said anchor member (34) to bias said anchor member (34) to pivot to said retracted position, a lever pin (66) extending between said plates (20, 22) above said anchor member (34), a lever (70) pivotally mounted on said lever pin (66) between said plates (20, 22) for movement between said anchor and retracted positions, and a cam (72) on said lever (70) for engaging said cam flange (56) and pivoting said anchor member (34) against the biasing reaction of said spring (60) from said retracted position to said anchor position in response to said lever (70) being moved from said retracted position to said anchor position. 11. An anchor mechanism (10) for anchoring a frame (14) normally supported by wheels (12) to a support surface (16), said mechanism (10) comprising;at least one plate (20 or 22) for attachment to said frame (14), an anchor member (34) pivotally mounted on said plate for pivotal movement between an anchor position and a retracted position and presenting a foot flange (50) extending laterally, a foot (40) attached to said foot flange (50) of said anchor member (34) and having a base (42) for engaging the support surface (16) in said anchor position, a biasing member (60) for reacting between said plate and said anchor member (34) to bias said anchor member (34) to pivot to said retracted position, a lever (70) pivotally mounted on said plate for movement between said anchor and retracted positions, and a cam (72) on said lever (70) for engaging and pivoting said anchor member (34) against the biasing reaction of said biasing member (60) from said retracted position to said anchor position in response to said lever (70) being moved from said retracted position to said anchor position. 12. A mechanism as set forth in claim 11 wherein said anchor member (34) includes top (46) and bottom (48) edges and presents a cam flange (56) extending laterally from said top edge (46) thereof toward said at least one plate (20) for engaging said cam (72) on said lever (70) for pivoting said anchor member (34).13. A mechanism as set forth in claim 12 wherein said foot flange (50) extends laterally from said bottom edge (48) and said foot (40) threadedly engages said foot flange (50).14. A mechanism as set forth in claim 13 wherein said at least one plate includes inner (20) and outer (22) plates in spaced parallel relationship to one another, a first pin (30) extending between said plates (20, 22) and pivotally mounting said anchor member (34) between said plates (20, 22) for pivotal movement between said anchor position and said retracted position.15. A mechanism as set forth in claim 14 wherein said outer plate (22) defines a recess (52) therein for receiving said foot flange (50) in said retracted position.16. A mechanism as set forth in claim 14 wherein said anchor member (34) presents a guide flange (54) spaced along said bottom edge (48) from said foot flange (50) and extending laterally from said bottom edge (48) thereof to a distal edge adjacent said inner plate (20).17. A mechanism as set forth in claim 15 wherein said foot flange (50) extends laterally from said bottom edge (48) of said anchor member (34) to a distal edge underlying said outer plate (22), said foot (40) supported by said foot flange (50) outside of said outer plate (22).18. A mechanism as set forth in claim 14 including a lever pin (66) extending between said plates (20, 22) above said anchor member (34), said lever (70) being pivotally mounted on said lever pin (66) between said plates (20, 22) for movement between said anchor and retracted positions.19. A mechanism as set forth in claim 14 including a spring stop (58) extending inwardly from said inner plate (20), said biasing member comprising a coiled spring (60) coiled around said first pin (30) and having a first arm (62) disposed under said cam flange (56) and a second arm (64) engaging said spring stop (58) to react between said inner plate (20) and said anchor member (34) to bias said anchor member (34) to pivot to said retracted position.20. An anchor mechanism (10) for lifting the wheels (12) supporting a frame (14) from a support surface (16) and anchoring the frame (14) to the support surface (16), said mechanism (10) comprising;an inner plate (20) containing a first set of spacer holes (24), an outer plate (22) containing a second set of spacer holes (26) for alignment with said first set of spacer holes (24) of said inner plate (20), a plurality of cylindrical spacers (28) disposed between said plates (20, 22) in alignment with said spacer holes (24, 26) for spacing said plates (20, 22) in spaced parallel relationship to one another, a plurality of pins (30, 36) extending through said aligned spacer holes (24, 26) and said spacers (28) for maintaining said plates (20, 22) in said parallel relationship, an anchor member (34) having top (46) and a bottom (48) edges and pivotally mounted on a first (30) of said pins between said plates (20,22) for pivotal movement between an anchor position and a retracted position, said anchor member (34) presenting a foot flange (50) extending laterally from said bottom edge (48) thereof to a distal edge underlying said outer plate (22) and defining a threaded hole disposed outside of said outer plate (22), said anchor member (34) presenting a guide flange (54) spaced along said bottom edge (48) from said foot flange (50) and extending laterally from said bottom edge (48) thereof to a distal edge adjacent said inner plate (20), said outer plate (22) having a recess (52) therein for receiving said foot flange (50) in said retracted position, a foot (40) having a base (42) for engaging the support surface (16) in said anchor position and a threaded shaft (44) engaging said threaded hole in said foot flange (50), said anchor member (34) presenting a cam flange (56) extending laterally from said top edge (46) thereof toward said inner plate (20), a spring stop (58) extending inwardly from said inner plate (20), a spring (60) coiled around said first pin (30) and having a first arm (62) disposed under said cain flange (56) and a second arm (64) engaging said spring stop (58) to react between said inner plate (20) and said anchor member (34) to bias said anchor member (34) to pivot to said retracted position, a lever pin (66) extending between said plates (20, 22) above said anchor member (34), a lever (70) pivotally mounted on said lever pin (66) between said plates (20,22) for movement between said anchor and retracted positions, and a cam (72) on said lever (70) for engaging said cam flange (56) and pivoting said anchor member (34) against the biasing reaction of said spring (60) from said retracted position to said anchor position in response to said lever (70) being moved from said retracted position to said anchor position.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (10)
Shiraz Balolia, Adjustable mobile machine base systems.
Kramer Bernard L. (544 S. 72nd St. Mesa AZ 85208) Kramer Theodore B. (1762 S. Westwood Mesa AZ 85210) Kramer Mark J. (544 S. 72nd St. Mesa AZ 85208), Self-locking brake for portable stand.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.