Weight plate with center post locking cartridge
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A63B-021/062
A63B-021/06
출원번호
US-0068063
(2011-05-03)
등록번호
US-8708870
(2014-04-29)
발명자
/ 주소
Nalley, Mark
출원인 / 주소
Nalley, Mark
대리인 / 주소
Fischer, Morland C.
인용정보
피인용 횟수 :
7인용 특허 :
5
초록▼
A weight plate for use with physical fitness weightlifting equipment so that the weight plate may be coupled to other weight plates and lifted together in a stack. Each weight plate includes a pivotal switch arm including a first end at which to receive a pushing force to cause the switch arm to rot
A weight plate for use with physical fitness weightlifting equipment so that the weight plate may be coupled to other weight plates and lifted together in a stack. Each weight plate includes a pivotal switch arm including a first end at which to receive a pushing force to cause the switch arm to rotate relative to the weight plate and an opposite end at which a curved fork is carried. In one embodiment, a center post runs continuously through the center bore holes of the weight plates. In another embodiment, an insert is located in the center bore hole of each weight plate to be mated to the insert from an adjacent plate. When the pivotal switch arm of any weight plate is rotated to a locked position, the curved fork is rotated with the switch arm into surrounding engagement with the center post or the insert.
대표청구항▼
1. A combination comprising: a weight plate having a bore hole formed therethrough; anda post received through the bore hole of said weight plate so that said weight plate can be coupled to and lifted by said post,said weight plate also having a pivotal switch arm that is rotatable relative to said
1. A combination comprising: a weight plate having a bore hole formed therethrough; anda post received through the bore hole of said weight plate so that said weight plate can be coupled to and lifted by said post,said weight plate also having a pivotal switch arm that is rotatable relative to said weight plate, a first end of said pivotal switch arm receiving a force for causing said switch arm to rotate in either a first direction to an unlocked position at which the weight plate is uncoupled from the post or an opposite direction to a locked position at which the weight plate is coupled to the post so as to be lifted thereby, the opposite end of said pivotal switch arm being curved so as to lie in surrounding locking engagement with said post when said switch arm is in said locked position. 2. The combination recited in claim 1, wherein said weight plate has a hollow channel formed therewithin and communicating with said bore hole, said pivotal switch arm moving through said hollow channel to said bore hole so as to lie in said surrounding locking engagement with said post at said bore hole when said pivotal switch arm is rotated in the opposite direction to said locked position. 3. The combination recited in claim 2, said weight plate also having a hollow locking cartridge, said pivotal switch arm being rotatable within said locking cartridge and through the hollow channel formed in said weight plate for receipt at the bore hole through said weight plate at which to lie in said surrounding locking engagement with said post when said switch arm is rotated to the locked position. 4. The combination recited in claim 1, wherein said weight plate has a hollow interior, said pivotal switch arm extending from inside said hollow interior to the exterior of said weight plate and outside said hollow interior at which the first end of said pivotal switch arm receives the force for causing said switch arm to rotate in one of said first or opposite directions. 5. The combination recited in claim 1, wherein said weight plate also has a pivot connected to said pivotal switch arm, said switch arm rotating at said pivot between the locked and unlocked positions. 6. The combination recited in claim 5, wherein said pivot is connected to said pivotal switch arm between the first and opposite ends thereof. 7. The combination recited in claim 6, wherein the first and opposite ends of said pivotal switch arm are angled relative to one another, said pivot connected to said switch arm at the intersection of said first and opposite ends. 8. The combination recited in claim 1, wherein the curved opposite end of said pivotal switch arm is a fork having opposing first and second fingers and a round space lying between said first and second fingers, said post located within said round space at which to be engaged by said fingers when said switch arm is rotated to said locked position. 9. The combination recited in claim 8, wherein said post has a pair of stops extending therearound and being spaced from one another, the first and second fingers of said fork surrounding and engaging said post between said pair of stops when said post is located within the round space between said fingers. 10. The combination recited in claim 8, wherein the first and second fingers of said fork are located within the bore hole of said weight plate so as to surround and engage said post when said post is located within said round space between said fingers and said pivotal switch arm is rotated to the locked position. 11. A combination, comprising: a first weight plate having a bore hole formed therethrough;a second weight plate to be coupled to said first weight plate and having a bore hole formed therethrough;a first insert and a second insert;each of the first and second inserts having a hollow locking receptacle at one end thereof and a plug at the opposite end, the locking receptacle of said first insert being located in the bore hole of said first weight plate, the locking receptacle of said second insert being located in the bore hole of said second weight plate, and the plug of said first insert extending from said first weight plate for receipt within the locking receptacle of said second insert located in the bore hole of said second weight plate;a first pivotal switch arm rotatable relative to said first weight plate between locked and unlocked positions, and a second pivotal switch arm rotatable relative to said second weight plate between locked and unlocked positions; anda first catch carried by and rotatable with said first pivotal switch arm, and a second catch carried by and rotatable with said second pivotal switch arm,said second pivotal switch arm receiving a force for causing said second pivotal switch arm to rotate in one of a first direction to said locked position at which said second catch is correspondingly rotated into locking engagement with the plug of said first insert received within the locking receptacle of said second insert, whereby said second weight plate is coupled to said first weight plate, or in an opposite direction to said unlocked position at which said second catch is rotated by said second pivotal switch arm out of said locking engagement with the plug of said first insert, whereby said second weight plate is uncoupled from said first weight plate. 12. The combination recited in claim 11, wherein said second weight plate has a hollow channel formed therewithin and communicating with the bore hole of said second weight plate, said second pivotal switch aim rotating through said hollow channel to said bore hole so that the second catch of said second pivotal switch arm lies in said locking engagement with the plug of said that insert at said bore hole when said second pivotal switch arm is rotated in the first direction to said looked position. 13. The combination recited in claim 12, said second weight plate also having a hollow locking cartridge, said second pivotal switch arm being rotatable within said locking cartridge and through the hollow channel formed in said second weight plate for receipt at the bore hole through said second weight plate at which the second catch of said second pivotal switch arm lies in said locking engagement with the plug of said first insert when said second switch arm is rotated to the locked position. 14. The combination recited in claim 13, wherein a first end of said second pivotal switch arm extends outside the hollow locking cartridge of said second weight plate at which to receive the force for causing said switch arm to rotate in one of said first or opposite directions, said second catch located at the opposite end of said second pivotal switch arm and lying within said hollow locking cartridge when said second switch arm is rotated to said unlocked position. 15. The combination recited in claim 14, wherein there is a pivot located within said hollow locking cartridge and connected to said second pivotal switch arm between said first end thereof and said second catch at the opposite end of said second pivotal switch arm, said second pivotal switch arm rotating at said pivot between said locked and unlocked positions. 16. The combination recited in claim 11, wherein the second catch carried by and rotatable with said second pivotal switch arm is curved so as to move into surrounding locking engagement with the plug of said first insert when said second pivotal switch arm is rotated to said locked position. 17. The combination recited in claim 16, wherein the curved second catch of said second pivotal switch arm that is rotatable relative to said second weight plate is a fork having opposing first and second fingers and a round space lying between said fingers, the ping of said first insert being located within said round space at which to be surroundingly and lockingly engaged by the fingers of said fork when said second pivotal switch arm is rotated to said locked position. 18. The combination recited in claim 11, wherein each of the hollow locking receptacles of each of said first and second inserts has an entrance opening formed therein, the second catch of said second pivotal switch arm that is rotatable relative to said second weight plate rotating into said locking engagement with the plug of said first insert received in the locking receptacle of the second insert by way of the entrance opening formed in the locking receptacle of said second insert when said second pivotal switch arm is rotated to said locked position. 19. A combination comprising: a first weight plate having a bore hole formed therethrough and a channel formed therein that communicates with said bore hole;a second weight plate having a bore hole formed therethrough and a channel formed therein that communicates with said bore hole;coupling means running through the bore holes of said first and second weight plates to receive a lifting force by which said first and second weight plates are correspondingly lifted; andeach of said first and second weight plates also having a respective pivotal switch arm including a first end at which to receive a pushing force and an opposite end at which a curved catch is located,the pivotal switch arm of each of said first and second weight plates rotating through said channel thereof to a locked position in response to a pushing force applied in a first direction to the first end of said pivotal switch arm by which the curved catch at the opposite end of said pivotal switch arm moves into surrounding engagement with said coupling means at said bore hole, and said pivotal switch arm rotating through said channel to an unlocked position in response to a pushing force applied in an opposite direction to the first end of said pivotal switch arm by which said curved catch at the opposite end of said pivotal switch arm is moved out of said surrounding engagement with said coupling means. 20. The combination recited in claim 19, wherein the curved catch at the opposite end of the pivotal switch arm of each of said first and second weight plates is a fork having opposing first and second fingers and a space lying between said fingers, said coupling means being located within said space when said curved catch is moved into said surrounding engagement with said coupling means.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (5)
Lee,Byung don, Device for controlling weight of a weight training machine and its method.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.